Colour

#A7002F

#A7002F
Red
Dark
Nearest: Brown

#A7002F is a red with RGB values 167, 0, 47 and HSL 343°, 100%, 33%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#A7002F#A7002F

HEX#A7002F

RGBrgb(167, 0, 47)

RGB (0–1)0.6549, 0, 0.1843

RGB percentages65.5%, 0%, 18.4%

HSLhsl(343.1, 100%, 32.7%)

HSV / HSBhsv(343.1, 100%, 65.5%)

CMYK0%, 100%, 71.9%, 34.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,944,559

CSS custom property--colour: #A7002F;

Brightness & contrast

Relative luminance0.08421WCAG 2.x, 0 is black and 1 is white

Perceived brightness92.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.82:1

Contrast with white7.82:1WCAG normal text: AAA

Contrast with black2.68:1WCAG normal text: Fail

Greyscale equivalent#272727

Inverted#58FFD0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#413D2Fno red cones; affects about 1% of men; ΔE 63 from the original

Deuteranopia#675D2Ano green cones; the most common form, about 1% of men; ΔE 63.1 from the original

Tritanopia#B8001Ano blue cones; rare, and affects men and women equally; ΔE 18 from the original

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

Contrast with white, large text7.82:1WCAG large text: AAA

Contrast with black, large text2.68:1WCAG large text: Fail

Named colours

Brown · ΔE 11.9 Firebrick · ΔE 14.4 Crimson · ΔE 19.1 Dark red · ΔE 20.1 Maroon · ΔE 20.1 Indian red · ΔE 23.7

Nearest named CSS colourBrown (#A52A2A)ΔE 11.86, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00A778

Analogous#A70082, #A72400

Triadic#2FA700, #002FA7

Split complementary#00A724, #0083A7

Tetradic#83A700, #00A778, #2500A7

Tints, shades & saturation

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

Lighter +40%#FF749B

Lighter +30%#FF4176

Lighter +20%#FF0E52

Lighter +10%#DA003D

Darker −10%#740021

Darker −20%#410012

Darker −30%#0E0004

Darker −40%#000000

More saturated +25%#A7002F

Less saturated −25%#921538

Channel breakdown

R167

B47

Red167 (65.5%)

Green0 (0%)

Blue47 (18.4%)

Hue343.11°

Saturation (HSL)100%

Lightness32.75%

Dominant channelRed

Hex per channelR A7 · G 00 · B 2F

Keep nerding

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

#A7002F

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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