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Colour

#0D233A

  • #0D233A
  • Blue
  • Dark
  • Nearest: Black

#0D233A is a blue with RGB values 13, 35, 58 and HSL 211°, 63%, 14%. It is a dark colour, so white text on it reaches 15.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#0D233A#0D233A
HEX#0D233A
RGBrgb(13, 35, 58)
RGB (0–1)0.051, 0.1373, 0.2275
RGB percentages5.1%, 13.7%, 22.7%
HSLhsl(210.7, 63.4%, 13.9%)
HSV / HSBhsv(210.7, 77.6%, 22.7%)
CMYK77.6%, 39.7%, 0%, 77.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer860,986
CSS custom property--colour: #0D233A;

Brightness & contrast

Relative luminance0.01593WCAG 2.x, 0 is black and 1 is white
Perceived brightness34 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.93:1
Contrast with white15.93:1WCAG normal text: AAA
Contrast with black1.32:1WCAG normal text: Fail
Greyscale equivalent#202020
Inverted#F2DCC5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#19243Bno red cones; affects about 1% of men; ΔE 3.1 from the original
Deuteranopia#13203Ano green cones; the most common form, about 1% of men; ΔE 3.9 from the original
Tritanopia#00282Bno blue cones; rare, and affects men and women equally; ΔE 17.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.93:1WCAG large text: AAA
Contrast with black, large text1.32:1WCAG large text: Fail

Named colours

Black · ΔE 21.8Dark slate grey · ΔE 25.7Dim grey · ΔE 35.8Dark slateblue · ΔE 39.7Slate grey · ΔE 40.3Steel blue · ΔE 42.2
Nearest named CSS colourBlack (#000000)ΔE 21.84, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3A240D
Analogous#0D3A3A, #0D0D3A
Triadic#3A0D23, #233A0D
Split complementary#3A0D0D, #3A3A0D
Tetradic#3A0D3A, #3A240D, #0D3A0D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3F88D4
Lighter +30%#296EB7
Lighter +20%#20558D
Lighter +10%#163C64
Darker −10%#040A10
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#042343
Less saturated −25%#162331

Channel breakdown

R13
G35
B58
Red13 (5.1%)
Green35 (13.7%)
Blue58 (22.7%)
Hue210.67°
Saturation (HSL)63.38%
Lightness13.92%
Dominant channelBlue
Hex per channelR 0D · G 23 · B 3A

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Every value on this page was computed from “0d233a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.