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Recognised as Colour

#08439F

  • #08439F
  • Blue
  • Dark
  • Nearest: Dark slateblue

#08439F is a blue with RGB values 8, 67, 159 and HSL 217°, 90%, 33%. It is a dark colour, so white text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#08439F#08439F
HEX#08439F
RGBrgb(8, 67, 159)
RGB (0–1)0.0314, 0.2627, 0.6235
RGB percentages3.1%, 26.3%, 62.4%
HSLhsl(216.6, 90.4%, 32.7%)
HSV / HSBhsv(216.6, 95%, 62.4%)
CMYK95%, 57.9%, 0%, 37.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer541,599
CSS custom property--colour: #08439F;

Brightness & contrast

Relative luminance0.06569WCAG 2.x, 0 is black and 1 is white
Perceived brightness74.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.08:1
Contrast with white9.08:1WCAG normal text: AAA
Contrast with black2.31:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#F7BC60

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004FA2no red cones; affects about 1% of men; ΔE 9.1 from the original
Deuteranopia#00429Dno green cones; the most common form, about 1% of men; ΔE 0.8 from the original
Tritanopia#005A6Ano blue cones; rare, and affects men and women equally; ΔE 54 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.08:1WCAG large text: AAA
Contrast with black, large text2.31:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 13.5Midnight blue · ΔE 19.2Royal blue · ΔE 20.9Slate blue · ΔE 21.4Rebecca purple · ΔE 23.5Medium purple · ΔE 29.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 13.53, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9F6408
Analogous#088F9F, #18089F
Triadic#9F0843, #439F08
Split complementary#9F1808, #8F9F08
Tetradic#9F088F, #9F6408, #089F18

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7BACF8
Lighter +30%#4A8DF6
Lighter +20%#1A6FF3
Lighter +10%#0A57D0
Darker −10%#062F6E
Darker −20%#031A3E
Darker −30%#01060D
Darker −40%#000000
More saturated +25%#0041A7
Less saturated −25%#1D488A

Channel breakdown

R8
G67
B159
Red8 (3.1%)
Green67 (26.3%)
Blue159 (62.4%)
Hue216.56°
Saturation (HSL)90.42%
Lightness32.75%
Dominant channelBlue
Hex per channelR 08 · G 43 · B 9F

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Every value on this page was computed from “08439f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.