Recognised as Colour

#AB270B

#AB270B
Red
Dark
Nearest: Firebrick

#AB270B is a red with RGB values 171, 39, 11 and HSL 11°, 88%, 36%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#AB270B#AB270B

HEX#AB270B

RGBrgb(171, 39, 11)

RGB (0–1)0.6706, 0.1529, 0.0431

RGB percentages67.1%, 15.3%, 4.3%

HSLhsl(10.5, 87.9%, 35.7%)

HSV / HSBhsv(10.5, 93.6%, 67.1%)

CMYK0%, 77.2%, 93.6%, 32.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,216,651

CSS custom property--colour: #AB270B;

Brightness & contrast

Relative luminance0.10133WCAG 2.x, 0 is black and 1 is white

Perceived brightness98.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.94:1

Contrast with white6.94:1WCAG normal text: AA

Contrast with black3.03:1WCAG normal text: Fail

Greyscale equivalent#414141

Inverted#54D8F4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#514703no red cones; affects about 1% of men; ΔE 56.4 from the original

Deuteranopia#716400no green cones; the most common form, about 1% of men; ΔE 56.4 from the original

Tritanopia#BD0023no blue cones; rare, and affects men and women equally; ΔE 15.5 from the original

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

Contrast with white, large text6.94:1WCAG large text: AAA

Contrast with black, large text3.03:1WCAG large text: AA

Named colours

Firebrick · ΔE 10.3 Dark red · ΔE 11.5 Maroon · ΔE 15.8 Brown · ΔE 16.6 Tomato · ΔE 24.9 Crimson · ΔE 25

Nearest named CSS colourFirebrick (#B22222)ΔE 10.27, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0B8FAB

Analogous#AB0B3F, #AB770B

Triadic#0BAB27, #270BAB

Split complementary#0BAB77, #0B3FAB

Tetradic#3FAB0B, #0B8FAB, #770BAB

Tints, shades & saturation

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

Lighter +40%#F89E8A

Lighter +30%#F4765B

Lighter +20%#F14D2B

Lighter +10%#DB320E

Darker −10%#7B1C08

Darker −20%#4B1105

Darker −30%#1B0602

Darker −40%#000000

More saturated +25%#B62000

Less saturated −25%#943622

Channel breakdown

R171

G39

B11

Red171 (67.1%)

Green39 (15.3%)

Blue11 (4.3%)

Hue10.5°

Saturation (HSL)87.91%

Lightness35.69%

Dominant channelRed

Hex per channelR AB · G 27 · B 0B

Keep nerding

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

#AB270B

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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