Recognised as Colour

#FB194B

#FB194B
Red
Dark
Nearest: Crimson

#FB194B is a red with RGB values 251, 25, 75 and HSL 347°, 97%, 54%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FB194B#FB194B

HEX#FB194B

RGBrgb(251, 25, 75)

RGB (0–1)0.9843, 0.098, 0.2941

RGB percentages98.4%, 9.8%, 29.4%

HSLhsl(346.7, 96.6%, 54.1%)

HSV / HSBhsv(346.7, 90%, 98.4%)

CMYK0%, 90%, 70.1%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,456,011

CSS custom property--colour: #FB194B;

Brightness & contrast

Relative luminance0.21712WCAG 2.x, 0 is black and 1 is white

Perceived brightness140.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.34:1

Contrast with white3.93:1WCAG normal text: Fail

Contrast with black5.34:1WCAG normal text: AA

Greyscale equivalent#4D4D4D

Inverted#04E6B4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6A634Bno red cones; affects about 1% of men; ΔE 83.1 from the original

Deuteranopia#9F9044no green cones; the most common form, about 1% of men; ΔE 83.4 from the original

Tritanopia#FF0033no blue cones; rare, and affects men and women equally; ΔE 13.8 from the original

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

Contrast with white, large text3.93:1WCAG large text: AA

Contrast with black, large text5.34:1WCAG large text: AAA

Named colours

Crimson · ΔE 10.1 Tomato · ΔE 25.4 Firebrick · ΔE 27.1 Red · ΔE 33.1 Brown · ΔE 33.2 Indian red · ΔE 35.8

Nearest named CSS colourCrimson (#DC143C)ΔE 10.11, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#19FBC9

Analogous#FB19BC, #FB5819

Triadic#4BFB19, #194BFB

Split complementary#19FB58, #19BCFB

Tetradic#BCFB19, #19FBC9, #5819FB

Tints, shades & saturation

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

Lighter +40%#FEE2E8

Lighter +30%#FEAFC1

Lighter +20%#FD7D99

Lighter +10%#FC4B72

Darker −10%#DD0434

Darker −20%#AB0328

Darker −30%#79021C

Darker −40%#470111

More saturated +25%#FF1549

Less saturated −25%#DE365B

Channel breakdown

R251

G25

B75

Red251 (98.4%)

Green25 (9.8%)

Blue75 (29.4%)

Hue346.73°

Saturation (HSL)96.58%

Lightness54.12%

Dominant channelRed

Hex per channelR FB · G 19 · B 4B

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FB194B (chemical formula)

Formula
2,126.948 g/mol
196 atoms

FB194B has a molar mass of 2,126.948 g/mol, made up of 196 atoms across 2 elements: 1 × F, 195 × B.

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Molar mass

Molar mass2,126.948 g/mol

Total atoms per molecule196

Distinct elements2

Mass of one molecule3.5318802 × 10^-21 g

Molecules per gram2.8313531 × 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

F0.9%

B99.1%

Fluorine (F)18.998 g/mol, 0.893%

Boron (B × 195)2,107.95 g/mol, 99.107%

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