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Recognised as Colour

#12158D

  • #12158D
  • Blue
  • Dark
  • Nearest: Navy

#12158D is a blue with RGB values 18, 21, 141 and HSL 239°, 77%, 31%. It is a dark colour, so white text on it reaches 13.8:1 contrast (AAA for normal text). The nearest named colour is Navy.

Colour values

#12158D#12158D
HEX#12158D
RGBrgb(18, 21, 141)
RGB (0–1)0.0706, 0.0824, 0.5529
RGB percentages7.1%, 8.2%, 55.3%
HSLhsl(238.5, 77.4%, 31.2%)
HSV / HSBhsv(238.5, 87.2%, 55.3%)
CMYK87.2%, 85.1%, 0%, 44.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,185,165
CSS custom property--colour: #12158D;

Brightness & contrast

Relative luminance0.02588WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.84:1
Contrast with white13.84:1WCAG normal text: AAA
Contrast with black1.52:1WCAG normal text: Fail
Greyscale equivalent#1D1D1D
Inverted#EDEA72

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003390no red cones; affects about 1% of men; ΔE 21.4 from the original
Deuteranopia#00268Bno green cones; the most common form, about 1% of men; ΔE 13 from the original
Tritanopia#003C53no blue cones; rare, and affects men and women equally; ΔE 68.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.84:1WCAG large text: AAA
Contrast with black, large text1.52:1WCAG large text: Fail

Named colours

Navy · ΔE 6.8Dark blue · ΔE 9.1Indigo · ΔE 13.7Midnight blue · ΔE 18.7Rebecca purple · ΔE 22.3Slate blue · ΔE 28.7
Nearest named CSS colourNavy (#000080)ΔE 6.76, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8D8A12
Analogous#12538D, #4C128D
Triadic#8D1215, #158D12
Split complementary#8D4C12, #538D12
Tetradic#8D1253, #8D8A12, #128D4C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7D7FEE
Lighter +30%#4F53E9
Lighter +20%#2227E3
Lighter +10%#181CBA
Darker −10%#0C0E60
Darker −20%#060833
Darker −30%#010105
Darker −40%#000000
More saturated +25%#00049F
Less saturated −25%#262879

Channel breakdown

R18
G21
B141
Red18 (7.1%)
Green21 (8.2%)
Blue141 (55.3%)
Hue238.54°
Saturation (HSL)77.36%
Lightness31.18%
Dominant channelBlue
Hex per channelR 12 · G 15 · B 8D

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Every value on this page was computed from “12158d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.