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Recognised as Colour

#003868

  • #003868
  • Blue
  • Dark
  • Nearest: Dark slateblue

#003868 is a blue with RGB values 0, 56, 104 and HSL 208°, 100%, 20%. It is a dark colour, so white text on it reaches 11.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#003868#003868
HEX#003868
RGBrgb(0, 56, 104)
RGB (0–1)0, 0.2196, 0.4078
RGB percentages0%, 22%, 40.8%
HSLhsl(207.7, 100%, 20.4%)
HSV / HSBhsv(207.7, 100%, 40.8%)
CMYK100%, 46.2%, 0%, 59.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,440
CSS custom property--colour: #003868;

Brightness & contrast

Relative luminance0.03828WCAG 2.x, 0 is black and 1 is white
Perceived brightness55.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.89:1
Contrast with white11.89:1WCAG normal text: AAA
Contrast with black1.77:1WCAG normal text: Fail
Greyscale equivalent#303030
Inverted#FFC797

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1E3C6Ano red cones; affects about 1% of men; ΔE 3.7 from the original
Deuteranopia#083367no green cones; the most common form, about 1% of men; ΔE 4.5 from the original
Tritanopia#00444Ano blue cones; rare, and affects men and women equally; ΔE 31.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.89:1WCAG large text: AAA
Contrast with black, large text1.77:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 25.1Steel blue · ΔE 30.5Midnight blue · ΔE 33.2Dark slate grey · ΔE 34Slate grey · ΔE 37.6Dim grey · ΔE 39.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 25.09, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#683000
Analogous#006864, #000468
Triadic#680038, #386800
Split complementary#680004, #686400
Tetradic#640068, #683000, #046800

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#35A2FF
Lighter +30%#028AFF
Lighter +20%#006FCE
Lighter +10%#00539B
Darker −10%#001D35
Darker −20%#000102
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003868
Less saturated −25%#0D375B

Channel breakdown

R0
G56
B104
Red0 (0%)
Green56 (22%)
Blue104 (40.8%)
Hue207.69°
Saturation (HSL)100%
Lightness20.39%
Dominant channelBlue
Hex per channelR 00 · G 38 · B 68

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Every value on this page was computed from “hex 003868” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.