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Recognised as Colour

#0F4381

  • #0F4381
  • Blue
  • Dark
  • Nearest: Dark slateblue

#0F4381 is a blue with RGB values 15, 67, 129 and HSL 213°, 79%, 28%. It is a dark colour, so white text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#0F4381#0F4381
HEX#0F4381
RGBrgb(15, 67, 129)
RGB (0–1)0.0588, 0.2627, 0.5059
RGB percentages5.9%, 26.3%, 50.6%
HSLhsl(212.6, 79.2%, 28.2%)
HSV / HSBhsv(212.6, 88.4%, 50.6%)
CMYK88.4%, 48.1%, 0%, 49.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,000,321
CSS custom property--colour: #0F4381;

Brightness & contrast

Relative luminance0.05701WCAG 2.x, 0 is black and 1 is white
Perceived brightness67.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.81:1
Contrast with white9.81:1WCAG normal text: AAA
Contrast with black2.14:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#F0BC7E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#214983no red cones; affects about 1% of men; ΔE 4 from the original
Deuteranopia#003F80no green cones; the most common form, about 1% of men; ΔE 2.9 from the original
Tritanopia#00525Bno blue cones; rare, and affects men and women equally; ΔE 38.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.81:1WCAG large text: AAA
Contrast with black, large text2.14:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 17.9Steel blue · ΔE 27.9Midnight blue · ΔE 28.4Cornflower blue · ΔE 34.7Rebecca purple · ΔE 35.5Royal blue · ΔE 36.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.89, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#814D0F
Analogous#0F7C81, #140F81
Triadic#810F43, #43810F
Split complementary#81140F, #7C810F
Tetradic#810F7C, #814D0F, #0F8114

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6EA8EE
Lighter +30%#408DE9
Lighter +20%#1A72DC
Lighter +10%#145BAF
Darker −10%#0A2B53
Darker −20%#041426
Darker −30%#000000
Darker −40%#000000
More saturated +25%#004290
Less saturated −25%#21456F

Channel breakdown

R15
G67
B129
Red15 (5.9%)
Green67 (26.3%)
Blue129 (50.6%)
Hue212.63°
Saturation (HSL)79.17%
Lightness28.24%
Dominant channelBlue
Hex per channelR 0F · G 43 · B 81

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Every value on this page was computed from “0f4381” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.