Colour

#B21A34

#B21A34
Red
Dark
Nearest: Brown

#B21A34 is a red with RGB values 178, 26, 52 and HSL 350°, 75%, 40%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#B21A34#B21A34

HEX#B21A34

RGBrgb(178, 26, 52)

RGB (0–1)0.698, 0.102, 0.2039

RGB percentages69.8%, 10.2%, 20.4%

HSLhsl(349.7, 74.5%, 40%)

HSV / HSBhsv(349.7, 85.4%, 69.8%)

CMYK0%, 85.4%, 70.8%, 30.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,672,116

CSS custom property--colour: #B21A34;

Brightness & contrast

Relative luminance0.10452WCAG 2.x, 0 is black and 1 is white

Perceived brightness100.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.8:1

Contrast with white6.8:1WCAG normal text: AA

Contrast with black3.09:1WCAG normal text: Fail

Greyscale equivalent#3C3C3C

Inverted#4DE5CB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4C4734no red cones; affects about 1% of men; ΔE 62.2 from the original

Deuteranopia#71662Fno green cones; the most common form, about 1% of men; ΔE 62.4 from the original

Tritanopia#C40026no blue cones; rare, and affects men and women equally; ΔE 14.6 from the original

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

Contrast with white, large text6.8:1WCAG large text: AAA

Contrast with black, large text3.09:1WCAG large text: AA

Named colours

Brown · ΔE 9.9 Firebrick · ΔE 11.6 Crimson · ΔE 16.6 Dark red · ΔE 19.8 Maroon · ΔE 20.5 Indian red · ΔE 20.6

Nearest named CSS colourBrown (#A52A2A)ΔE 9.89, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1AB298

Analogous#B21A80, #B24C1A

Triadic#34B21A, #1A34B2

Split complementary#1AB24C, #1A80B2

Tetradic#80B21A, #1AB298, #4C1AB2

Tints, shades & saturation

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

Lighter +40%#F2A6B3

Lighter +30%#EC798D

Lighter +20%#E54D67

Lighter +10%#DF2141

Darker −10%#861327

Darker −20%#590D1A

Darker −30%#2D070D

Darker −40%#000000

More saturated +25%#CC0023

Less saturated −25%#993345

Channel breakdown

R178

G26

B52

Red178 (69.8%)

Green26 (10.2%)

Blue52 (20.4%)

Hue349.74°

Saturation (HSL)74.51%

Lightness40%

Dominant channelRed

Hex per channelR B2 · G 1A · B 34

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#B21A34

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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