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Recognised as Colour

#403B1F

  • #403B1F
  • Yellow
  • Dark
  • Nearest: Dark slate grey

#403B1F is a yellow with RGB values 64, 59, 31 and HSL 51°, 35%, 19%. It is a dark colour, so white text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#403B1F#403B1F
HEX#403B1F
RGBrgb(64, 59, 31)
RGB (0–1)0.251, 0.2314, 0.1216
RGB percentages25.1%, 23.1%, 12.2%
HSLhsl(50.9, 34.7%, 18.6%)
HSV / HSBhsv(50.9, 51.6%, 25.1%)
CMYK0%, 7.8%, 51.6%, 74.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,209,439
CSS custom property--colour: #403B1F;

Brightness & contrast

Relative luminance0.04317WCAG 2.x, 0 is black and 1 is white
Perceived brightness58.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.27:1
Contrast with white11.27:1WCAG normal text: AAA
Contrast with black1.86:1WCAG normal text: Fail
Greyscale equivalent#3A3A3A
Inverted#BFC4E0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#403A1Dno red cones; affects about 1% of men; ΔE 1 from the original
Deuteranopia#413B20no green cones; the most common form, about 1% of men; ΔE 0.8 from the original
Tritanopia#443734no blue cones; rare, and affects men and women equally; ΔE 16 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.27:1WCAG large text: AAA
Contrast with black, large text1.86:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 24.5Dim grey · ΔE 26.9Dark olivegreen · ΔE 27Black · ΔE 30.7Gray · ΔE 34.2Saddle brown · ΔE 39.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 24.54, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1F2440
Analogous#402B1F, #34401F
Triadic#1F403B, #3B1F40
Split complementary#1F3440, #2B1F40
Tetradic#1F402B, #1F2440, #401F34

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BAAF71
Lighter +30%#A79A51
Lighter +20%#857A40
Lighter +10%#625B30
Darker −10%#1E1B0E
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#4C4313
Less saturated −25%#34332B

Channel breakdown

R64
G59
B31
Red64 (25.1%)
Green59 (23.1%)
Blue31 (12.2%)
Hue50.91°
Saturation (HSL)34.74%
Lightness18.63%
Dominant channelRed
Hex per channelR 40 · G 3B · B 1F

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Every value on this page was computed from “403b1f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.