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Recognised as Colour

#013063

  • #013063
  • Blue
  • Dark
  • Nearest: Dark slateblue

#013063 is a blue with RGB values 1, 48, 99 and HSL 211°, 98%, 20%. 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

#013063#013063
HEX#013063
RGBrgb(1, 48, 99)
RGB (0–1)0.0039, 0.1882, 0.3882
RGB percentages0.4%, 18.8%, 38.8%
HSLhsl(211.2, 98%, 19.6%)
HSV / HSBhsv(211.2, 99%, 38.8%)
CMYK99%, 51.5%, 0%, 61.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer77,923
CSS custom property--colour: #013063;

Brightness & contrast

Relative luminance0.03021WCAG 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 13.09:1
Contrast with white13.09:1WCAG normal text: AAA
Contrast with black1.6:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#FECF9C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#113565no red cones; affects about 1% of men; ΔE 3.3 from the original
Deuteranopia#002D62no green cones; the most common form, about 1% of men; ΔE 2.3 from the original
Tritanopia#003C44no blue cones; rare, and affects men and women equally; ΔE 32.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.09:1WCAG large text: AAA
Contrast with black, large text1.6:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 22.6Midnight blue · ΔE 28.8Steel blue · ΔE 34.5Dark slate grey · ΔE 37.8Rebecca purple · ΔE 39.6Black · ΔE 40.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 22.64, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#633401
Analogous#016163, #030163
Triadic#630130, #306301
Split complementary#630301, #616301
Tetradic#630161, #633401, #016303

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3394FD
Lighter +30%#0379FA
Lighter +20%#0261C8
Lighter +10%#024895
Darker −10%#001831
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003064
Less saturated −25%#0D3157

Channel breakdown

R1
G48
B99
Red1 (0.4%)
Green48 (18.8%)
Blue99 (38.8%)
Hue211.22°
Saturation (HSL)98%
Lightness19.61%
Dominant channelBlue
Hex per channelR 01 · G 30 · B 63

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Every value on this page was computed from “hex 013063” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.