Colour

#423F37

#423F37
Orange
Dark
Nearest: Dark slate grey

#423F37 is a orange with RGB values 66, 63, 55 and HSL 44°, 9%, 24%. It is a dark colour, so white text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#423F37#423F37

HEX#423F37

RGBrgb(66, 63, 55)

RGB (0–1)0.2588, 0.2471, 0.2157

RGB percentages25.9%, 24.7%, 21.6%

HSLhsl(43.6, 9.1%, 23.7%)

HSV / HSBhsv(43.6, 16.7%, 25.9%)

CMYK0%, 4.5%, 16.7%, 74.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,341,559

CSS custom property--colour: #423F37;

Brightness & contrast

Relative luminance0.04989WCAG 2.x, 0 is black and 1 is white

Perceived brightness63.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.51:1

Contrast with white10.51:1WCAG normal text: AAA

Contrast with black2:1WCAG normal text: Fail

Greyscale equivalent#3F3F3F

Inverted#BDC0C8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#413F37no red cones; affects about 1% of men; ΔE 0.5 from the original

Deuteranopia#424037no green cones; the most common form, about 1% of men; ΔE 0.8 from the original

Tritanopia#443E3Dno blue cones; rare, and affects men and women equally; ΔE 4.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text10.51:1WCAG large text: AAA

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

Named colours

Dark slate grey · ΔE 15.2 Dim grey · ΔE 18.5 Black · ΔE 27.2 Gray · ΔE 27.4 Slate grey · ΔE 30.7 Light slate grey · ΔE 33.6

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 15.24, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#373A42

Analogous#423A37, #404237

Triadic#37423F, #3F3742

Split complementary#374042, #3A3742

Tetradic#37423A, #373A42, #423740

Tints, shades & saturation

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

Lighter +40%#ABA69A

Lighter +30%#948E7E

Lighter +20%#7A7465

Lighter +10%#5E5A4E

Darker −10%#262420

Darker −20%#0A0A09

Darker −30%#000000

Darker −40%#000000

More saturated +25%#514628

Less saturated −25%#3D3D3D

Channel breakdown

R66

G63

B55

Red66 (25.9%)

Green63 (24.7%)

Blue55 (21.6%)

Hue43.64°

Saturation (HSL)9.09%

Lightness23.73%

Dominant channelRed

Hex per channelR 42 · G 3F · B 37

Keep nerding

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

#423F37

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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