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Recognised as Colour

#012F79

  • #012F79
  • Blue
  • Dark
  • Nearest: Dark slateblue

#012F79 is a blue with RGB values 1, 47, 121 and HSL 217°, 98%, 24%. It is a dark colour, so white text on it reaches 12.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#012F79#012F79
HEX#012F79
RGBrgb(1, 47, 121)
RGB (0–1)0.0039, 0.1843, 0.4745
RGB percentages0.4%, 18.4%, 47.5%
HSLhsl(217, 98.4%, 23.9%)
HSV / HSBhsv(217, 99.2%, 47.5%)
CMYK99.2%, 61.2%, 0%, 52.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer77,689
CSS custom property--colour: #012F79;

Brightness & contrast

Relative luminance0.0342WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.47:1
Contrast with white12.47:1WCAG normal text: AAA
Contrast with black1.68:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#FED086

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00397Bno red cones; affects about 1% of men; ΔE 8.1 from the original
Deuteranopia#002F78no green cones; the most common form, about 1% of men; ΔE 0.7 from the original
Tritanopia#00424Fno blue cones; rare, and affects men and women equally; ΔE 45.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.47:1WCAG large text: AAA
Contrast with black, large text1.68:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 12.6Midnight blue · ΔE 15.1Rebecca purple · ΔE 27.1Slate blue · ΔE 31.9Royal blue · ΔE 33.5Indigo · ΔE 34.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 12.59, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#794B01
Analogous#016B79, #0F0179
Triadic#79012F, #2F7901
Split complementary#790F01, #6B7901
Tetradic#79016B, #794B01, #01790F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#498EFD
Lighter +30%#166FFD
Lighter +20%#0256DE
Lighter +10%#0143AC
Darker −10%#011B46
Darker −20%#000814
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002F7A
Less saturated −25%#10336A

Channel breakdown

R1
G47
B121
Red1 (0.4%)
Green47 (18.4%)
Blue121 (47.5%)
Hue217°
Saturation (HSL)98.36%
Lightness23.92%
Dominant channelBlue
Hex per channelR 01 · G 2F · B 79

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Every value on this page was computed from “012f79” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.