Recognised as Colour

#F84B27

#F84B27
Red
Dark
Nearest: Orange red

#F84B27 is a red with RGB values 248, 75, 39 and HSL 10°, 94%, 56%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#F84B27#F84B27

HEX#F84B27

RGBrgb(248, 75, 39)

RGB (0–1)0.9725, 0.2941, 0.1529

RGB percentages97.3%, 29.4%, 15.3%

HSLhsl(10.3, 93.7%, 56.3%)

HSV / HSBhsv(10.3, 84.3%, 97.3%)

CMYK0%, 69.8%, 84.3%, 2.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,272,167

CSS custom property--colour: #F84B27;

Brightness & contrast

Relative luminance0.25135WCAG 2.x, 0 is black and 1 is white

Perceived brightness147.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.03:1

Contrast with white3.48:1WCAG normal text: Fail

Contrast with black6.03:1WCAG normal text: AA

Greyscale equivalent#6D6D6D

Inverted#07B4D8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7F7120no red cones; affects about 1% of men; ΔE 69.9 from the original

Deuteranopia#AA971Cno green cones; the most common form, about 1% of men; ΔE 69.8 from the original

Tritanopia#FF0045no blue cones; rare, and affects men and women equally; ΔE 25.8 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text3.48:1WCAG large text: AA

Contrast with black, large text6.03:1WCAG large text: AAA

Named colours

Orange red · ΔE 12.9 Tomato · ΔE 13 Red · ΔE 19.6 Coral · ΔE 23.1 Crimson · ΔE 26.1 Chocolate · ΔE 27

Nearest named CSS colourOrange red (#FF4500)ΔE 12.85, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#27D4F8

Analogous#F8276B, #F8B427

Triadic#27F84B, #4B27F8

Split complementary#27F8B4, #276BF8

Tetradic#6BF827, #27D4F8, #B427F8

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FEF0ED

Lighter +30%#FDC6BB

Lighter +20%#FB9D8A

Lighter +10%#FA7458

Darker −10%#E52E07

Darker −20%#B32406

Darker −30%#821A04

Darker −40%#501003

More saturated +25%#FF4620

Less saturated −25%#DC5D43

Channel breakdown

R248

G75

B39

Red248 (97.3%)

Green75 (29.4%)

Blue39 (15.3%)

Hue10.33°

Saturation (HSL)93.72%

Lightness56.27%

Dominant channelRed

Hex per channelR F8 · G 4B · B 27

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F84B27 (chemical formula)

Formula
1,887.702 g/mol
111 atoms

F84B27 has a molar mass of 1,887.702 g/mol, made up of 111 atoms across 2 elements: 84 × F, 27 × B.

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Molar mass

Molar mass1,887.702 g/mol

Total atoms per molecule111

Distinct elements2

Mass of one molecule3.1346029 × 10^-21 g

Molecules per gram3.1901967 × 10^20

Name

NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show

Composition by mass

F84.5%

B15.5%

Fluorine (F × 84)1,595.832 g/mol, 84.538%

Boron (B × 27)291.87 g/mol, 15.462%

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