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Recognised as Colour

#123F44

  • #123F44
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#123F44 is a cyan with RGB values 18, 63, 68 and HSL 186°, 58%, 17%. It is a dark colour, so white text on it reaches 11.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#123F44#123F44
HEX#123F44
RGBrgb(18, 63, 68)
RGB (0–1)0.0706, 0.2471, 0.2667
RGB percentages7.1%, 24.7%, 26.7%
HSLhsl(186, 58.1%, 16.9%)
HSV / HSBhsv(186, 73.5%, 26.7%)
CMYK73.5%, 7.4%, 0%, 73.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,195,844
CSS custom property--colour: #123F44;

Brightness & contrast

Relative luminance0.04101WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.54:1
Contrast with white11.54:1WCAG normal text: AAA
Contrast with black1.82:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#EDC0BB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#393C44no red cones; affects about 1% of men; ΔE 14.1 from the original
Deuteranopia#323744no green cones; the most common form, about 1% of men; ΔE 14.6 from the original
Tritanopia#004240no blue cones; rare, and affects men and women equally; ΔE 6.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.54:1WCAG large text: AAA
Contrast with black, large text1.82:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 8.3Dim grey · ΔE 25.4Black · ΔE 28.4Teal · ΔE 28.9Slate grey · ΔE 31Dark cyan · ΔE 33.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 8.33, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#441712
Analogous#124430, #122644
Triadic#44123F, #3F4412
Split complementary#441226, #443012
Tetradic#301244, #441712, #264412

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#51C4D1
Lighter +30%#32AFBD
Lighter +20%#278A95
Lighter +10%#1D646C
Darker −10%#071A1C
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#07484F
Less saturated −25%#1D3639

Channel breakdown

R18
G63
B68
Red18 (7.1%)
Green63 (24.7%)
Blue68 (26.7%)
Hue186°
Saturation (HSL)58.14%
Lightness16.86%
Dominant channelBlue
Hex per channelR 12 · G 3F · B 44

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Every value on this page was computed from “123f44” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.