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Recognised as Colour

#0D3042

  • #0D3042
  • Blue
  • Dark
  • Nearest: Dark slate grey

#0D3042 is a blue with RGB values 13, 48, 66 and HSL 200°, 67%, 15%. It is a dark colour, so white text on it reaches 13.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#0D3042#0D3042
HEX#0D3042
RGBrgb(13, 48, 66)
RGB (0–1)0.051, 0.1882, 0.2588
RGB percentages5.1%, 18.8%, 25.9%
HSLhsl(200.4, 67.1%, 15.5%)
HSV / HSBhsv(200.4, 80.3%, 25.9%)
CMYK80.3%, 27.3%, 0%, 74.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer864,322
CSS custom property--colour: #0D3042;

Brightness & contrast

Relative luminance0.02593WCAG 2.x, 0 is black and 1 is white
Perceived brightness43.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.83:1
Contrast with white13.83:1WCAG normal text: AAA
Contrast with black1.52:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#F2CFBD

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#273043no red cones; affects about 1% of men; ΔE 7.6 from the original
Deuteranopia#202A42no green cones; the most common form, about 1% of men; ΔE 9.1 from the original
Tritanopia#003536no blue cones; rare, and affects men and women equally; ΔE 14 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.83:1WCAG large text: AAA
Contrast with black, large text1.52:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 18.2Black · ΔE 24.2Dim grey · ΔE 30.5Slate grey · ΔE 34.9Light slate grey · ΔE 37.9Steel blue · ΔE 38.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 18.23, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#421F0D
Analogous#0D423A, #0D1542
Triadic#420D30, #30420D
Split complementary#420D15, #423A0D
Tetradic#3A0D42, #421F0D, #15420D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#41A6DA
Lighter +30%#268DC2
Lighter +20%#1E6E97
Lighter +10%#154F6D
Darker −10%#051117
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#03334C
Less saturated −25%#172D38

Channel breakdown

R13
G48
B66
Red13 (5.1%)
Green48 (18.8%)
Blue66 (25.9%)
Hue200.38°
Saturation (HSL)67.09%
Lightness15.49%
Dominant channelBlue
Hex per channelR 0D · G 30 · B 42

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Every value on this page was computed from “0d3042” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.