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Colour

#003063

  • #003063
  • Blue
  • Dark
  • Nearest: Dark slateblue

#003063 is a blue with RGB values 0, 48, 99 and HSL 211°, 100%, 19%. It is a dark colour, so white text on it reaches 13.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#003063#003063
HEX#003063
RGBrgb(0, 48, 99)
RGB (0–1)0, 0.1882, 0.3882
RGB percentages0%, 18.8%, 38.8%
HSLhsl(210.9, 100%, 19.4%)
HSV / HSBhsv(210.9, 100%, 38.8%)
CMYK100%, 51.5%, 0%, 61.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,387
CSS custom property--colour: #003063;

Brightness & contrast

Relative luminance0.03015WCAG 2.x, 0 is black and 1 is white
Perceived brightness49.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.1:1
Contrast with white13.1:1WCAG normal text: AAA
Contrast with black1.6:1WCAG normal text: Fail
Greyscale equivalent#292929
Inverted#FFCF9C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#113565no red cones; affects about 1% of men; ΔE 3.4 from the original
Deuteranopia#002D62no green cones; the most common form, about 1% of men; ΔE 2.3 from the original
Tritanopia#003D44no blue cones; rare, and affects men and women equally; ΔE 33.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.1:1WCAG large text: AAA
Contrast with black, large text1.6:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 22.7Midnight blue · ΔE 28.9Steel blue · ΔE 34.5Dark slate grey · ΔE 37.8Rebecca purple · ΔE 39.7Black · ΔE 40.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 22.72, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#633300
Analogous#006263, #010063
Triadic#630030, #306300
Split complementary#630100, #626300
Tetradic#630062, #633300, #006301

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3094FF
Lighter +30%#007AFC
Lighter +20%#0061C9
Lighter +10%#004996
Darker −10%#001730
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003063
Less saturated −25%#0C3057

Channel breakdown

R0
G48
B99
Red0 (0%)
Green48 (18.8%)
Blue99 (38.8%)
Hue210.91°
Saturation (HSL)100%
Lightness19.41%
Dominant channelBlue
Hex per channelR 00 · G 30 · B 63

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Every value on this page was computed from “hex 003063” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.