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Colour

#002858

  • #002858
  • Blue
  • Dark
  • Nearest: Dark slateblue

#002858 is a blue with RGB values 0, 40, 88 and HSL 213°, 100%, 17%. It is a dark colour, so white text on it reaches 14.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#002858#002858
HEX#002858
RGBrgb(0, 40, 88)
RGB (0–1)0, 0.1569, 0.3451
RGB percentages0%, 15.7%, 34.5%
HSLhsl(212.7, 100%, 17.3%)
HSV / HSBhsv(212.7, 100%, 34.5%)
CMYK100%, 54.5%, 0%, 65.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,328
CSS custom property--colour: #002858;

Brightness & contrast

Relative luminance0.02222WCAG 2.x, 0 is black and 1 is white
Perceived brightness42.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.54:1
Contrast with white14.54:1WCAG normal text: AAA
Contrast with black1.44:1WCAG normal text: Fail
Greyscale equivalent#232323
Inverted#FFD7A7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#082D5Ano red cones; affects about 1% of men; ΔE 3.4 from the original
Deuteranopia#002557no green cones; the most common form, about 1% of men; ΔE 2.4 from the original
Tritanopia#00343Bno blue cones; rare, and affects men and women equally; ΔE 32 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.54:1WCAG large text: AAA
Contrast with black, large text1.44:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 24.5Midnight blue · ΔE 28.8Black · ΔE 37.5Steel blue · ΔE 38Dark slate grey · ΔE 38.2Rebecca purple · ΔE 40.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 24.5, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#583000
Analogous#005458, #040058
Triadic#580028, #285800
Split complementary#580400, #545800
Tetradic#580054, #583000, #005804

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#2588FF
Lighter +30%#006EF1
Lighter +20%#0056BE
Lighter +10%#003F8B
Darker −10%#001125
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002858
Less saturated −25%#0B294D

Channel breakdown

R0
G40
B88
Red0 (0%)
Green40 (15.7%)
Blue88 (34.5%)
Hue212.73°
Saturation (HSL)100%
Lightness17.25%
Dominant channelBlue
Hex per channelR 00 · G 28 · B 58

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Every value on this page was computed from “hex 002858” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.