Recognised as Colour

#B91B2D

#B91B2D
Red
Dark
Nearest: Firebrick

#B91B2D is a red with RGB values 185, 27, 45 and HSL 353°, 75%, 42%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#B91B2D#B91B2D

HEX#B91B2D

RGBrgb(185, 27, 45)

RGB (0–1)0.7255, 0.1059, 0.1765

RGB percentages72.5%, 10.6%, 17.6%

HSLhsl(353.2, 74.5%, 41.6%)

HSV / HSBhsv(353.2, 85.4%, 72.5%)

CMYK0%, 85.4%, 75.7%, 27.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,131,117

CSS custom property--colour: #B91B2D;

Brightness & contrast

Relative luminance0.11288WCAG 2.x, 0 is black and 1 is white

Perceived brightness104.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.45:1

Contrast with white6.45:1WCAG normal text: AA

Contrast with black3.26:1WCAG normal text: Fail

Greyscale equivalent#3E3E3E

Inverted#46E4D2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#50492Cno red cones; affects about 1% of men; ΔE 64.2 from the original

Deuteranopia#766A27no green cones; the most common form, about 1% of men; ΔE 64.3 from the original

Tritanopia#CC0024no blue cones; rare, and affects men and women equally; ΔE 12.6 from the original

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

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

Contrast with black, large text3.26:1WCAG large text: AA

Named colours

Firebrick · ΔE 6.5 Brown · ΔE 10.8 Crimson · ΔE 13 Dark red · ΔE 17.3 Maroon · ΔE 19.6 Indian red · ΔE 22.8

Nearest named CSS colourFirebrick (#B22222)ΔE 6.49, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1BB9A7

Analogous#B91B7C, #B9581B

Triadic#2DB91B, #1B2DB9

Split complementary#1BB958, #1B7CB9

Tetradic#7CB91B, #1BB9A7, #581BB9

Tints, shades & saturation

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

Lighter +40%#F3ADB5

Lighter +30%#ED808D

Lighter +20%#E65465

Lighter +10%#E0273C

Darker −10%#8C1522

Darker −20%#600E17

Darker −30%#33080D

Darker −40%#070102

More saturated +25%#D30019

Less saturated −25%#9F3541

Channel breakdown

R185

G27

B45

Red185 (72.5%)

Green27 (10.6%)

Blue45 (17.6%)

Hue353.16°

Saturation (HSL)74.53%

Lightness41.57%

Dominant channelRed

Hex per channelR B9 · G 1B · B 2D

Keep nerding

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

#B91B2D

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

Nerdulate something else