Recognised as Colour

#FF4B67

#FF4B67
Red
Dark
Nearest: Crimson

#FF4B67 is a red with RGB values 255, 75, 103 and HSL 351°, 100%, 65%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FF4B67#FF4B67

HEX#FF4B67

RGBrgb(255, 75, 103)

RGB (0–1)1, 0.2941, 0.4039

RGB percentages100%, 29.4%, 40.4%

HSLhsl(350.7, 100%, 64.7%)

HSV / HSBhsv(350.7, 70.6%, 100%)

CMYK0%, 70.6%, 59.6%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,730,983

CSS custom property--colour: #FF4B67;

Brightness & contrast

Relative luminance0.27271WCAG 2.x, 0 is black and 1 is white

Perceived brightness154.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.45:1

Contrast with white3.25:1WCAG normal text: Fail

Contrast with black6.45:1WCAG normal text: AA

Greyscale equivalent#737373

Inverted#00B498

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7B7767no red cones; affects about 1% of men; ΔE 72.6 from the original

Deuteranopia#A99C62no green cones; the most common form, about 1% of men; ΔE 73.1 from the original

Tritanopia#FF1457no blue cones; rare, and affects men and women equally; ΔE 13 from the original

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

Contrast with white, large text3.25:1WCAG large text: AA

Contrast with black, large text6.45:1WCAG large text: AAA

Named colours

Crimson · ΔE 15.1 Tomato · ΔE 24.4 Indian red · ΔE 24.9 Salmon · ΔE 25.3 Firebrick · ΔE 27.1 Light coral · ΔE 27.5

Nearest named CSS colourCrimson (#DC143C)ΔE 15.11, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4BFFE3

Analogous#FF4BC1, #FF894B

Triadic#67FF4B, #4B67FF

Split complementary#4BFF89, #4BC1FF

Tetradic#C1FF4B, #4BFFE3, #894BFF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFE4E8

Lighter +20%#FFB1BD

Lighter +10%#FF7E92

Darker −10%#FF183C

Darker −20%#E40023

Darker −30%#B1001C

Darker −40%#7E0014

More saturated +25%#FF4B67

Less saturated −25%#E96176

Channel breakdown

R255

G75

B103

Red255 (100%)

Green75 (29.4%)

Blue103 (40.4%)

Hue350.67°

Saturation (HSL)100%

Lightness64.71%

Dominant channelRed

Hex per channelR FF · G 4B · B 67

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF4B67 (chemical formula)

Formula
819.26 g/mol
72 atoms

FF4B67 has a molar mass of 819.26 g/mol, made up of 72 atoms across 2 elements: 5 × F, 67 × B.

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Molar mass

Molar mass819.26 g/mol

Total atoms per molecule72

Distinct elements2

Mass of one molecule1.3604132 × 10^-21 g

Molecules per gram7.3507077 × 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

F11.6%

B88.4%

Fluorine (F × 5)94.99 g/mol, 11.595%

Boron (B × 67)724.27 g/mol, 88.405%

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