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Recognised as Colour

#40351F

  • #40351F
  • Orange
  • Dark
  • Nearest: Dark slate grey

#40351F is a orange with RGB values 64, 53, 31 and HSL 40°, 35%, 19%. It is a dark colour, so white text on it reaches 12:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#40351F#40351F
HEX#40351F
RGBrgb(64, 53, 31)
RGB (0–1)0.251, 0.2078, 0.1216
RGB percentages25.1%, 20.8%, 12.2%
HSLhsl(40, 34.7%, 18.6%)
HSV / HSBhsv(40, 51.6%, 25.1%)
CMYK0%, 17.2%, 51.6%, 74.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,207,903
CSS custom property--colour: #40351F;

Brightness & contrast

Relative luminance0.03735WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.02:1
Contrast with white12.02:1WCAG normal text: AAA
Contrast with black1.75:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#BFCAE0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3A351Dno red cones; affects about 1% of men; ΔE 3.4 from the original
Deuteranopia#3D3820no green cones; the most common form, about 1% of men; ΔE 3.4 from the original
Tritanopia#453130no blue cones; rare, and affects men and women equally; ΔE 13.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.02:1WCAG large text: AAA
Contrast with black, large text1.75:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 24.9Dim grey · ΔE 26.7Black · ΔE 27.7Dark olivegreen · ΔE 31.7Gray · ΔE 34.6Saddle brown · ΔE 38.6
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 24.86, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1F2A40
Analogous#40251F, #3B401F
Triadic#1F4035, #351F40
Split complementary#1F3B40, #251F40
Tetradic#1F4025, #1F2A40, #401F3A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BAA271
Lighter +30%#A78A51
Lighter +20%#856E40
Lighter +10%#625130
Darker −10%#1E190E
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#4C3913
Less saturated −25%#34312B

Channel breakdown

R64
G53
B31
Red64 (25.1%)
Green53 (20.8%)
Blue31 (12.2%)
Hue40°
Saturation (HSL)34.74%
Lightness18.63%
Dominant channelRed
Hex per channelR 40 · G 35 · B 1F

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Every value on this page was computed from “40351f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.