Colour

#A00025

#A00025
Red
Dark
Nearest: Brown

#A00025 is a red with RGB values 160, 0, 37 and HSL 346°, 100%, 31%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#A00025#A00025

HEX#A00025

RGBrgb(160, 0, 37)

RGB (0–1)0.6275, 0, 0.1451

RGB percentages62.7%, 0%, 14.5%

HSLhsl(346.1, 100%, 31.4%)

HSV / HSBhsv(346.1, 100%, 62.7%)

CMYK0%, 100%, 76.9%, 37.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,485,797

CSS custom property--colour: #A00025;

Brightness & contrast

Relative luminance0.07607WCAG 2.x, 0 is black and 1 is white

Perceived brightness88.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.33:1

Contrast with white8.33:1WCAG normal text: AAA

Contrast with black2.52:1WCAG normal text: Fail

Greyscale equivalent#252525

Inverted#5FFFDA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3F3A25no red cones; affects about 1% of men; ΔE 61.3 from the original

Deuteranopia#63591Fno green cones; the most common form, about 1% of men; ΔE 61.4 from the original

Tritanopia#B10015no blue cones; rare, and affects men and women equally; ΔE 14.9 from the original

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

Contrast with white, large text8.33:1WCAG large text: AAA

Contrast with black, large text2.52:1WCAG large text: Fail

Named colours

Brown · ΔE 9 Firebrick · ΔE 11.1 Dark red · ΔE 15.2 Maroon · ΔE 15.4 Crimson · ΔE 20.1 Indian red · ΔE 24.6

Nearest named CSS colourBrown (#A52A2A)ΔE 9.05, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00A07B

Analogous#A00075, #A02B00

Triadic#25A000, #0025A0

Split complementary#00A02B, #0075A0

Tetradic#75A000, #00A07B, #2B00A0

Tints, shades & saturation

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

Lighter +40%#FF6D8F

Lighter +30%#FF3A68

Lighter +20%#FF0740

Lighter +10%#D30031

Darker −10%#6D0019

Darker −20%#3A000D

Darker −30%#070002

Darker −40%#000000

More saturated +25%#A00025

Less saturated −25%#8C1430

Channel breakdown

R160

B37

Red160 (62.7%)

Green0 (0%)

Blue37 (14.5%)

Hue346.13°

Saturation (HSL)100%

Lightness31.37%

Dominant channelRed

Hex per channelR A0 · G 00 · B 25

Keep nerding

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

#A00025

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