Recognised as Colour

#91102A

#91102A
Red
Dark
Nearest: Brown

#91102A is a red with RGB values 145, 16, 42 and HSL 348°, 80%, 32%. It is a dark colour, so white text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#91102A#91102A

HEX#91102A

RGBrgb(145, 16, 42)

RGB (0–1)0.5686, 0.0627, 0.1647

RGB percentages56.9%, 6.3%, 16.5%

HSLhsl(347.9, 80.1%, 31.6%)

HSV / HSBhsv(347.9, 89%, 56.9%)

CMYK0%, 89%, 71%, 43.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer9,506,858

CSS custom property--colour: #91102A;

Brightness & contrast

Relative luminance0.06557WCAG 2.x, 0 is black and 1 is white

Perceived brightness81.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.09:1

Contrast with white9.09:1WCAG normal text: AAA

Contrast with black2.31:1WCAG normal text: Fail

Greyscale equivalent#2D2D2D

Inverted#6EEFD5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3B372Ano red cones; affects about 1% of men; ΔE 54 from the original

Deuteranopia#5A5226no green cones; the most common form, about 1% of men; ΔE 54.8 from the original

Tritanopia#A0001Dno blue cones; rare, and affects men and women equally; ΔE 13.3 from the original

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

Contrast with white, large text9.09:1WCAG large text: AAA

Contrast with black, large text2.31:1WCAG large text: Fail

Named colours

Brown · ΔE 11.3 Maroon · ΔE 17.6 Firebrick · ΔE 18.7 Dark red · ΔE 19.9 Indian red · ΔE 23.5 Crimson · ΔE 28.3

Nearest named CSS colourBrown (#A52A2A)ΔE 11.33, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#109177

Analogous#91106A, #913710

Triadic#2A9110, #102A91

Split complementary#109137, #106A91

Tetradic#6A9110, #109177, #371091

Tints, shades & saturation

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

Lighter +40%#F17C94

Lighter +30%#EC4E6E

Lighter +20%#E62148

Lighter +10%#BF1537

Darker −10%#630B1D

Darker −20%#35060F

Darker −30%#070102

Darker −40%#000000

More saturated +25%#A10020

Less saturated −25%#7D2436

Channel breakdown

R145

G16

B42

Red145 (56.9%)

Green16 (6.3%)

Blue42 (16.5%)

Hue347.91°

Saturation (HSL)80.12%

Lightness31.57%

Dominant channelRed

Hex per channelR 91 · G 10 · B 2A

Keep nerding

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

#91102A

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