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Recognised as Colour

#031010

  • #031010
  • Cyan
  • Dark
  • Nearest: Black

#031010 is a cyan with RGB values 3, 16, 16 and HSL 180°, 68%, 4%. It is a dark colour, so white text on it reaches 19.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#031010#031010
HEX#031010
RGBrgb(3, 16, 16)
RGB (0–1)0.0118, 0.0627, 0.0627
RGB percentages1.2%, 6.3%, 6.3%
HSLhsl(180, 68.4%, 3.7%)
HSV / HSBhsv(180, 81.3%, 6.3%)
CMYK81.3%, 0%, 0%, 93.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer200,720
CSS custom property--colour: #031010;

Brightness & contrast

Relative luminance0.00427WCAG 2.x, 0 is black and 1 is white
Perceived brightness13.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.35:1
Contrast with white19.35:1WCAG normal text: AAA
Contrast with black1.09:1WCAG normal text: Fail
Greyscale equivalent#0D0D0D
Inverted#FCEFEF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0E0F10no red cones; affects about 1% of men; ΔE 3.6 from the original
Deuteranopia#0C0D10no green cones; the most common form, about 1% of men; ΔE 3.9 from the original
Tritanopia#001110no blue cones; rare, and affects men and women equally; ΔE 1.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.35:1WCAG large text: AAA
Contrast with black, large text1.09:1WCAG large text: Fail

Named colours

Black · ΔE 5.5Dark slate grey · ΔE 28.7Dim grey · ΔE 40.7Slate grey · ΔE 49.9Gray · ΔE 49.9Teal · ΔE 51.5
Nearest named CSS colourBlack (#000000)ΔE 5.49, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#100303
Analogous#03100A, #030A10
Triadic#100310, #101003
Split complementary#10030A, #100A03
Tetradic#0A0310, #100303, #0A1003

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#23BCBC
Lighter +30%#1B9191
Lighter +20%#136666
Lighter +10%#0B3B3B
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#011212
Less saturated −25%#050E0E

Channel breakdown

R3
G16
B16
Red3 (1.2%)
Green16 (6.3%)
Blue16 (6.3%)
Hue180°
Saturation (HSL)68.42%
Lightness3.73%
Dominant channelGreen and Blue
Hex per channelR 03 · G 10 · B 10

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Every value on this page was computed from “hex 031010” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.