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Recognised as Colour

#12384D

  • #12384D
  • Blue
  • Dark
  • Nearest: Dark slate grey

#12384D is a blue with RGB values 18, 56, 77 and HSL 201°, 62%, 19%. It is a dark colour, so white text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#12384D#12384D
HEX#12384D
RGBrgb(18, 56, 77)
RGB (0–1)0.0706, 0.2196, 0.302
RGB percentages7.1%, 22%, 30.2%
HSLhsl(201.4, 62.1%, 18.6%)
HSV / HSBhsv(201.4, 76.6%, 30.2%)
CMYK76.6%, 27.3%, 0%, 69.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,194,061
CSS custom property--colour: #12384D;

Brightness & contrast

Relative luminance0.03493WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.36:1
Contrast with white12.36:1WCAG normal text: AAA
Contrast with black1.7:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#EDC7B2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2E384Eno red cones; affects about 1% of men; ΔE 8.1 from the original
Deuteranopia#26324Dno green cones; the most common form, about 1% of men; ΔE 9.1 from the original
Tritanopia#003D3Fno blue cones; rare, and affects men and women equally; ΔE 15.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.36:1WCAG large text: AAA
Contrast with black, large text1.7:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 17.2Black · ΔE 28.1Dim grey · ΔE 28.6Slate grey · ΔE 31.7Steel blue · ΔE 34.3Light slate grey · ΔE 34.6
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.23, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4D2712
Analogous#124D44, #121B4D
Triadic#4D1238, #384D12
Split complementary#4D121B, #4D4512
Tetradic#44124D, #4D2712, #1A4D12

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#54A8D7
Lighter +30%#2F92C9
Lighter +20%#2574A0
Lighter +10%#1C5676
Darker −10%#081A24
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#063B59
Less saturated −25%#1E3541

Channel breakdown

R18
G56
B77
Red18 (7.1%)
Green56 (22%)
Blue77 (30.2%)
Hue201.36°
Saturation (HSL)62.11%
Lightness18.63%
Dominant channelBlue
Hex per channelR 12 · G 38 · B 4D

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Every value on this page was computed from “12384d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.