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Recognised as Colour

#031C23

  • #031C23
  • Cyan
  • Dark
  • Nearest: Black

#031C23 is a cyan with RGB values 3, 28, 35 and HSL 193°, 84%, 7%. It is a dark colour, so white text on it reaches 17.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#031C23#031C23
HEX#031C23
RGBrgb(3, 28, 35)
RGB (0–1)0.0118, 0.1098, 0.1373
RGB percentages1.2%, 11%, 13.7%
HSLhsl(193.1, 84.2%, 7.5%)
HSV / HSBhsv(193.1, 91.4%, 13.7%)
CMYK91.4%, 20%, 0%, 86.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer203,811
CSS custom property--colour: #031C23;

Brightness & contrast

Relative luminance0.00971WCAG 2.x, 0 is black and 1 is white
Perceived brightness24.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.58:1
Contrast with white17.58:1WCAG normal text: AAA
Contrast with black1.19:1WCAG normal text: Fail
Greyscale equivalent#171717
Inverted#FCE3DC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#181B23no red cones; affects about 1% of men; ΔE 7.9 from the original
Deuteranopia#131823no green cones; the most common form, about 1% of men; ΔE 8 from the original
Tritanopia#001E1Eno blue cones; rare, and affects men and women equally; ΔE 6.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.58:1WCAG large text: AAA
Contrast with black, large text1.19:1WCAG large text: Fail

Named colours

Black · ΔE 13.5Dark slate grey · ΔE 23.4Dim grey · ΔE 37.1Slate grey · ΔE 44.4Teal · ΔE 45.3Gray · ΔE 46
Nearest named CSS colourBlack (#000000)ΔE 13.45, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#230A03
Analogous#03231A, #030C23
Triadic#23031C, #1C2303
Split complementary#23030C, #231A03
Tetradic#1A0323, #230A03, #0C2303

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#13B2DF
Lighter +30%#0F8DB0
Lighter +20%#0B6781
Lighter +10%#074252
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001E26
Less saturated −25%#08191E

Channel breakdown

R3
G28
B35
Red3 (1.2%)
Green28 (11%)
Blue35 (13.7%)
Hue193.13°
Saturation (HSL)84.21%
Lightness7.45%
Dominant channelBlue
Hex per channelR 03 · G 1C · B 23

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Every value on this page was computed from “031c23” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.