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Recognised as Colour

#0D3A41

  • #0D3A41
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#0D3A41 is a cyan with RGB values 13, 58, 65 and HSL 188°, 67%, 15%. It is a dark colour, so white text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#0D3A41#0D3A41
HEX#0D3A41
RGBrgb(13, 58, 65)
RGB (0–1)0.051, 0.2275, 0.2549
RGB percentages5.1%, 22.7%, 25.5%
HSLhsl(188.1, 66.7%, 15.3%)
HSV / HSBhsv(188.1, 80%, 25.5%)
CMYK80%, 10.8%, 0%, 74.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer866,881
CSS custom property--colour: #0D3A41;

Brightness & contrast

Relative luminance0.03493WCAG 2.x, 0 is black and 1 is white
Perceived brightness50.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.36:1
Contrast with white12.36:1WCAG normal text: AAA
Contrast with black1.7:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#F2C5BE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#343841no red cones; affects about 1% of men; ΔE 13.1 from the original
Deuteranopia#2D3241no green cones; the most common form, about 1% of men; ΔE 14.2 from the original
Tritanopia#003D3Cno blue cones; rare, and affects men and women equally; ΔE 7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.36:1WCAG large text: AAA
Contrast with black, large text1.7:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 10.6Black · ΔE 26.5Dim grey · ΔE 27Teal · ΔE 31.2Slate grey · ΔE 32.6Gray · ΔE 35
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 10.59, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#41140D
Analogous#0D412E, #0D2041
Triadic#410D3A, #3A410D
Split complementary#410D20, #412E0D
Tetradic#2E0D41, #41140D, #20410D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#41C5D9
Lighter +30%#27ACC1
Lighter +20%#1E8696
Lighter +10%#16606B
Darker −10%#051416
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#03414B
Less saturated −25%#173337

Channel breakdown

R13
G58
B65
Red13 (5.1%)
Green58 (22.7%)
Blue65 (25.5%)
Hue188.08°
Saturation (HSL)66.67%
Lightness15.29%
Dominant channelBlue
Hex per channelR 0D · G 3A · B 41

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Every value on this page was computed from “0d3a41” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.