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Recognised as Colour

#033831

  • #033831
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#033831 is a cyan with RGB values 3, 56, 49 and HSL 172°, 90%, 12%. It is a dark colour, so white text on it reaches 13:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#033831#033831
HEX#033831
RGBrgb(3, 56, 49)
RGB (0–1)0.0118, 0.2196, 0.1922
RGB percentages1.2%, 22%, 19.2%
HSLhsl(172.1, 89.8%, 11.6%)
HSV / HSBhsv(172.1, 94.6%, 22%)
CMYK94.6%, 0%, 12.5%, 78%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer210,993
CSS custom property--colour: #033831;

Brightness & contrast

Relative luminance0.03069WCAG 2.x, 0 is black and 1 is white
Perceived brightness46 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.01:1
Contrast with white13.01:1WCAG normal text: AAA
Contrast with black1.61:1WCAG normal text: Fail
Greyscale equivalent#2C2C2C
Inverted#FCC7CE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#353431no red cones; affects about 1% of men; ΔE 18.3 from the original
Deuteranopia#2E2F32no green cones; the most common form, about 1% of men; ΔE 18.8 from the original
Tritanopia#003936no blue cones; rare, and affects men and women equally; ΔE 2.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.01:1WCAG large text: AAA
Contrast with black, large text1.61:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 13.2Black · ΔE 27.4Dim grey · ΔE 30.3Teal · ΔE 30.9Dark cyan · ΔE 35.2Slate grey · ΔE 37.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 13.25, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#38030A
Analogous#033817, #032438
Triadic#310338, #383103
Split complementary#380324, #381703
Tetradic#170338, #38030A, #243803

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#15F2D5
Lighter +30%#0BC9B0
Lighter +20%#089986
Lighter +10%#06685B
Darker −10%#000807
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003B33
Less saturated −25%#0A312C

Channel breakdown

R3
G56
B49
Red3 (1.2%)
Green56 (22%)
Blue49 (19.2%)
Hue172.08°
Saturation (HSL)89.83%
Lightness11.57%
Dominant channelGreen
Hex per channelR 03 · G 38 · B 31

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Every value on this page was computed from “hex 033831” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.