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Recognised as Colour

#12407F

  • #12407F
  • Blue
  • Dark
  • Nearest: Dark slateblue

#12407F is a blue with RGB values 18, 64, 127 and HSL 215°, 75%, 28%. It is a dark colour, so white text on it reaches 10.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#12407F#12407F
HEX#12407F
RGBrgb(18, 64, 127)
RGB (0–1)0.0706, 0.251, 0.498
RGB percentages7.1%, 25.1%, 49.8%
HSLhsl(214.7, 75.2%, 28.4%)
HSV / HSBhsv(214.7, 85.8%, 49.8%)
CMYK85.8%, 49.6%, 0%, 50.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,196,159
CSS custom property--colour: #12407F;

Brightness & contrast

Relative luminance0.05328WCAG 2.x, 0 is black and 1 is white
Perceived brightness65.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.17:1
Contrast with white10.17:1WCAG normal text: AAA
Contrast with black2.07:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#EDBF80

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1C4681no red cones; affects about 1% of men; ΔE 4 from the original
Deuteranopia#003D7Eno green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#004F59no blue cones; rare, and affects men and women equally; ΔE 38.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.17:1WCAG large text: AAA
Contrast with black, large text2.07:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 16.5Midnight blue · ΔE 26.5Steel blue · ΔE 29.5Rebecca purple · ΔE 34.1Cornflower blue · ΔE 35.5Slate blue · ΔE 36.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 16.53, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7F5112
Analogous#12767F, #1B127F
Triadic#7F1240, #407F12
Split complementary#7F1B12, #767F12
Tetradic#7F1276, #7F5112, #127F1B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#72A5EB
Lighter +30%#4589E5
Lighter +20%#1F6DD8
Lighter +10%#1857AC
Darker −10%#0C2952
Darker −20%#051326
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003D91
Less saturated −25%#24436D

Channel breakdown

R18
G64
B127
Red18 (7.1%)
Green64 (25.1%)
Blue127 (49.8%)
Hue214.68°
Saturation (HSL)75.17%
Lightness28.43%
Dominant channelBlue
Hex per channelR 12 · G 40 · B 7F

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Every value on this page was computed from “12407f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.