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Recognised as Colour

#012F63

  • #012F63
  • Blue
  • Dark
  • Nearest: Dark slateblue

#012F63 is a blue with RGB values 1, 47, 99 and HSL 212°, 98%, 20%. It is a dark colour, so white text on it reaches 13.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#012F63#012F63
HEX#012F63
RGBrgb(1, 47, 99)
RGB (0–1)0.0039, 0.1843, 0.3882
RGB percentages0.4%, 18.4%, 38.8%
HSLhsl(211.8, 98%, 19.6%)
HSV / HSBhsv(211.8, 99%, 38.8%)
CMYK99%, 52.5%, 0%, 61.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer77,667
CSS custom property--colour: #012F63;

Brightness & contrast

Relative luminance0.0294WCAG 2.x, 0 is black and 1 is white
Perceived brightness49.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.22:1
Contrast with white13.22:1WCAG normal text: AAA
Contrast with black1.59:1WCAG normal text: Fail
Greyscale equivalent#292929
Inverted#FED09C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0E3465no red cones; affects about 1% of men; ΔE 3.3 from the original
Deuteranopia#002C62no 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 33.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.22:1WCAG large text: AAA
Contrast with black, large text1.59:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 22Midnight blue · ΔE 27.9Steel blue · ΔE 35.1Dark slate grey · ΔE 38.7Rebecca purple · ΔE 38.9Black · ΔE 40.8
Nearest named CSS colourDark slateblue (#483D8B)ΔE 22.03, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#633501
Analogous#016063, #040163
Triadic#63012F, #2F6301
Split complementary#630401, #606301
Tetradic#630160, #633501, #016304

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3392FD
Lighter +30%#0377FA
Lighter +20%#025FC8
Lighter +10%#024795
Darker −10%#001731
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002F64
Less saturated −25%#0D3057

Channel breakdown

R1
G47
B99
Red1 (0.4%)
Green47 (18.4%)
Blue99 (38.8%)
Hue211.84°
Saturation (HSL)98%
Lightness19.61%
Dominant channelBlue
Hex per channelR 01 · G 2F · B 63

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Every value on this page was computed from “012f63” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.