Colour

#A70400

#A70400
Red
Dark
Nearest: Dark red

#A70400 is a red with RGB values 167, 4, 0 and HSL 1°, 100%, 33%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Dark red.

Colour values

#A70400#A70400

HEX#A70400

RGBrgb(167, 4, 0)

RGB (0–1)0.6549, 0.0157, 0

RGB percentages65.5%, 1.6%, 0%

HSLhsl(1.4, 100%, 32.7%)

HSV / HSBhsv(1.4, 100%, 65.5%)

CMYK0%, 97.6%, 100%, 34.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,945,536

CSS custom property--colour: #A70400;

Brightness & contrast

Relative luminance0.08302WCAG 2.x, 0 is black and 1 is white

Perceived brightness91.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.89:1

Contrast with white7.89:1WCAG normal text: AAA

Contrast with black2.66:1WCAG normal text: Fail

Greyscale equivalent#262626

Inverted#58FBFF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#453C00no red cones; affects about 1% of men; ΔE 63.1 from the original

Deuteranopia#6A5D00no green cones; the most common form, about 1% of men; ΔE 61.9 from the original

Tritanopia#B90009no blue cones; rare, and affects men and women equally; ΔE 6.5 from the original

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

Contrast with white, large text7.89:1WCAG large text: AAA

Contrast with black, large text2.66:1WCAG large text: Fail

Named colours

Dark red · ΔE 12 Firebrick · ΔE 12.2 Maroon · ΔE 17.1 Brown · ΔE 20.2 Crimson · ΔE 23.6 Tomato · ΔE 27.7

Nearest named CSS colourDark red (#8B0000)ΔE 12.05, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00A3A7

Analogous#A70050, #A75700

Triadic#00A704, #0400A7

Split complementary#00A758, #004FA7

Tetradic#50A700, #00A3A7, #5700A7

Tints, shades & saturation

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

Lighter +40%#FF7774

Lighter +30%#FF4641

Lighter +20%#FF140E

Lighter +10%#DA0500

Darker −10%#740300

Darker −20%#410200

Darker −30%#0E0000

Darker −40%#000000

More saturated +25%#A70400

Less saturated −25%#921815

Channel breakdown

R167

Red167 (65.5%)

Green4 (1.6%)

Blue0 (0%)

Hue1.44°

Saturation (HSL)100%

Lightness32.75%

Dominant channelRed

Hex per channelR A7 · G 04 · B 00

Keep nerding

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

#A70400

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