Colour

#B21E54

#B21E54
Red
Dark
Nearest: Indian red

#B21E54 is a red with RGB values 178, 30, 84 and HSL 338°, 71%, 41%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#B21E54#B21E54

HEX#B21E54

RGBrgb(178, 30, 84)

RGB (0–1)0.698, 0.1176, 0.3294

RGB percentages69.8%, 11.8%, 32.9%

HSLhsl(338.1, 71.2%, 40.8%)

HSV / HSBhsv(338.1, 83.1%, 69.8%)

CMYK0%, 83.1%, 52.8%, 30.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,673,172

CSS custom property--colour: #B21E54;

Brightness & contrast

Relative luminance0.11034WCAG 2.x, 0 is black and 1 is white

Perceived brightness104 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.55:1

Contrast with white6.55:1WCAG normal text: AA

Contrast with black3.21:1WCAG normal text: Fail

Greyscale equivalent#414141

Inverted#4DE1AB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#474B55no red cones; affects about 1% of men; ΔE 61 from the original

Deuteranopia#6E6850no green cones; the most common form, about 1% of men; ΔE 62.1 from the original

Tritanopia#C20037no blue cones; rare, and affects men and women equally; ΔE 21.6 from the original

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

Contrast with white, large text6.55:1WCAG large text: AAA

Contrast with black, large text3.21:1WCAG large text: AA

Named colours

Indian red · ΔE 25 Brown · ΔE 25.3 Medium violet red · ΔE 25.8 Pale violetred · ΔE 26.2 Crimson · ΔE 29.4 Firebrick · ΔE 30.5

Nearest named CSS colourIndian red (#CD5C5C)ΔE 25, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1EB27C

Analogous#B21E9E, #B2321E

Triadic#54B21E, #1E54B2

Split complementary#1EB232, #1E9EB2

Tetradic#9EB21E, #1EB27C, #321EB2

Tints, shades & saturation

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

Lighter +40%#F1ABC5

Lighter +30%#EA7FA6

Lighter +20%#E25488

Lighter +10%#DB2869

Darker −10%#86173F

Darker −20%#5B0F2B

Darker −30%#2F0816

Darker −40%#030102

More saturated +25%#CC044D

Less saturated −25%#98385B

Channel breakdown

R178

G30

B84

Red178 (69.8%)

Green30 (11.8%)

Blue84 (32.9%)

Hue338.11°

Saturation (HSL)71.15%

Lightness40.78%

Dominant channelRed

Hex per channelR B2 · G 1E · B 54

Keep nerding

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

#B21E54

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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