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Recognised as Colour

#08558A

  • #08558A
  • Blue
  • Dark
  • Nearest: Steel blue

#08558A is a blue with RGB values 8, 85, 138 and HSL 204°, 89%, 29%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#08558A#08558A
HEX#08558A
RGBrgb(8, 85, 138)
RGB (0–1)0.0314, 0.3333, 0.5412
RGB percentages3.1%, 33.3%, 54.1%
HSLhsl(204.5, 89%, 28.6%)
HSV / HSBhsv(204.5, 94.2%, 54.1%)
CMYK94.2%, 38.4%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer546,186
CSS custom property--colour: #08558A;

Brightness & contrast

Relative luminance0.08384WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.85:1
Contrast with white7.85:1WCAG normal text: AAA
Contrast with black2.68:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#F7AA75

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3B588Cno red cones; affects about 1% of men; ΔE 7.3 from the original
Deuteranopia#284D89no green cones; the most common form, about 1% of men; ΔE 8.8 from the original
Tritanopia#006269no blue cones; rare, and affects men and women equally; ΔE 32.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.85:1WCAG large text: AAA
Contrast with black, large text2.68:1WCAG large text: Fail

Named colours

Steel blue · ΔE 18.4Dark slateblue · ΔE 27.5Slate grey · ΔE 30.7Cornflower blue · ΔE 32Light slate grey · ΔE 32.2Dark slate grey · ΔE 33.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 18.37, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8A3D08
Analogous#088A7E, #08148A
Triadic#8A0855, #558A08
Split complementary#8A0814, #8A7E08
Tetradic#7E088A, #8A3D08, #148A08

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#68BCF6
Lighter +30%#38A7F3
Lighter +20%#0E90EA
Lighter +10%#0B73BA
Darker −10%#05375A
Darker −20%#021A2A
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005692
Less saturated −25%#1A5278

Channel breakdown

R8
G85
B138
Red8 (3.1%)
Green85 (33.3%)
Blue138 (54.1%)
Hue204.46°
Saturation (HSL)89.04%
Lightness28.63%
Dominant channelBlue
Hex per channelR 08 · G 55 · B 8A

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Every value on this page was computed from “08558a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.