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Colour

#123D44

  • #123D44
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#123D44 is a cyan with RGB values 18, 61, 68 and HSL 188°, 58%, 17%. It is a dark colour, so white text on it reaches 11.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#123D44#123D44
HEX#123D44
RGBrgb(18, 61, 68)
RGB (0–1)0.0706, 0.2392, 0.2667
RGB percentages7.1%, 23.9%, 26.7%
HSLhsl(188.4, 58.1%, 16.9%)
HSV / HSBhsv(188.4, 73.5%, 26.7%)
CMYK73.5%, 10.3%, 0%, 73.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,195,332
CSS custom property--colour: #123D44;

Brightness & contrast

Relative luminance0.03883WCAG 2.x, 0 is black and 1 is white
Perceived brightness53 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.82:1
Contrast with white11.82:1WCAG normal text: AAA
Contrast with black1.78:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#EDC2BB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#373B44no red cones; affects about 1% of men; ΔE 12.9 from the original
Deuteranopia#303544no green cones; the most common form, about 1% of men; ΔE 14 from the original
Tritanopia#00403Fno blue cones; rare, and affects men and women equally; ΔE 7.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.82:1WCAG large text: AAA
Contrast with black, large text1.78:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 9.4Dim grey · ΔE 25.8Black · ΔE 27.6Teal · ΔE 30.1Slate grey · ΔE 31.2Gray · ΔE 33.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 9.37, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#441912
Analogous#124432, #122444
Triadic#44123D, #3D4412
Split complementary#441224, #443212
Tetradic#321244, #441912, #244412

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#51BFD1
Lighter +30%#32AABD
Lighter +20%#278595
Lighter +10%#1D616C
Darker −10%#07191C
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#07454F
Less saturated −25%#1D3539

Channel breakdown

R18
G61
B68
Red18 (7.1%)
Green61 (23.9%)
Blue68 (26.7%)
Hue188.4°
Saturation (HSL)58.14%
Lightness16.86%
Dominant channelBlue
Hex per channelR 12 · G 3D · B 44

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Every value on this page was computed from “123d44” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.