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Colour

#003859

  • #003859
  • Blue
  • Dark
  • Nearest: Dark slate grey

#003859 is a blue with RGB values 0, 56, 89 and HSL 202°, 100%, 17%. It is a dark colour, so white text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#003859#003859
HEX#003859
RGBrgb(0, 56, 89)
RGB (0–1)0, 0.2196, 0.349
RGB percentages0%, 22%, 34.9%
HSLhsl(202.2, 100%, 17.5%)
HSV / HSBhsv(202.2, 100%, 34.9%)
CMYK100%, 37.1%, 0%, 65.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,425
CSS custom property--colour: #003859;

Brightness & contrast

Relative luminance0.0355WCAG 2.x, 0 is black and 1 is white
Perceived brightness52.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.28:1
Contrast with white12.28:1WCAG normal text: AAA
Contrast with black1.71:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#FFC7A6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#28395Ano red cones; affects about 1% of men; ΔE 7.2 from the original
Deuteranopia#1B3258no green cones; the most common form, about 1% of men; ΔE 7.7 from the original
Tritanopia#004044no blue cones; rare, and affects men and women equally; ΔE 21.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.28:1WCAG large text: AAA
Contrast with black, large text1.71:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 24.4Steel blue · ΔE 31.4Black · ΔE 33Dim grey · ΔE 33.2Slate grey · ΔE 33.7Dark slateblue · ΔE 34.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 24.38, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#592100
Analogous#00594D, #000C59
Triadic#590038, #385900
Split complementary#59000C, #594D00
Tetradic#4D0059, #592100, #0C5900

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#26AFFF
Lighter +30%#0098F2
Lighter +20%#0078BF
Lighter +10%#00588C
Darker −10%#001826
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003859
Less saturated −25%#0B354E

Channel breakdown

R0
G56
B89
Red0 (0%)
Green56 (22%)
Blue89 (34.9%)
Hue202.25°
Saturation (HSL)100%
Lightness17.45%
Dominant channelBlue
Hex per channelR 00 · G 38 · B 59

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Every value on this page was computed from “hex 003859” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.