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Recognised as Colour

#122D71

  • #122D71
  • Blue
  • Dark
  • Nearest: Dark slateblue

#122D71 is a blue with RGB values 18, 45, 113 and HSL 223°, 73%, 26%. It is a dark colour, so white text on it reaches 12.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#122D71#122D71
HEX#122D71
RGBrgb(18, 45, 113)
RGB (0–1)0.0706, 0.1765, 0.4431
RGB percentages7.1%, 17.6%, 44.3%
HSLhsl(222.9, 72.5%, 25.7%)
HSV / HSBhsv(222.9, 84.1%, 44.3%)
CMYK84.1%, 60.2%, 0%, 55.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,191,281
CSS custom property--colour: #122D71;

Brightness & contrast

Relative luminance0.03198WCAG 2.x, 0 is black and 1 is white
Perceived brightness52.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.81:1
Contrast with white12.81:1WCAG normal text: AAA
Contrast with black1.64:1WCAG normal text: Fail
Greyscale equivalent#2C2C2C
Inverted#EDD28E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003773no red cones; affects about 1% of men; ΔE 8.9 from the original
Deuteranopia#002E70no green cones; the most common form, about 1% of men; ΔE 2.6 from the original
Tritanopia#003E4Ano blue cones; rare, and affects men and women equally; ΔE 42.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.81:1WCAG large text: AAA
Contrast with black, large text1.64:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 13.1Midnight blue · ΔE 16.7Rebecca purple · ΔE 28.5Slate blue · ΔE 34.4Indigo · ΔE 35.9Royal blue · ΔE 36.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 13.09, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#715612
Analogous#125D71, #261271
Triadic#71122D, #2D7112
Split complementary#712612, #5D7112
Tetradic#71125D, #715612, #127126

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#688CE7
Lighter +30%#3C6BE0
Lighter +20%#2050C9
Lighter +10%#193F9D
Darker −10%#0B1B45
Darker −20%#040A19
Darker −30%#000000
Darker −40%#000000
More saturated +25%#022681
Less saturated −25%#223461

Channel breakdown

R18
G45
B113
Red18 (7.1%)
Green45 (17.6%)
Blue113 (44.3%)
Hue222.95°
Saturation (HSL)72.52%
Lightness25.69%
Dominant channelBlue
Hex per channelR 12 · G 2D · B 71

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Every value on this page was computed from “122d71” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.