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Colour

#2D554B

  • #2D554B
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#2D554B is a cyan with RGB values 45, 85, 75 and HSL 165°, 31%, 25%. It is a dark colour, so white text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2D554B#2D554B
HEX#2D554B
RGBrgb(45, 85, 75)
RGB (0–1)0.1765, 0.3333, 0.2941
RGB percentages17.6%, 33.3%, 29.4%
HSLhsl(165, 30.8%, 25.5%)
HSV / HSBhsv(165, 47.1%, 33.3%)
CMYK47.1%, 0%, 11.8%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,970,955
CSS custom property--colour: #2D554B;

Brightness & contrast

Relative luminance0.07563WCAG 2.x, 0 is black and 1 is white
Perceived brightness74.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.36:1
Contrast with white8.36:1WCAG normal text: AAA
Contrast with black2.51:1WCAG normal text: Fail
Greyscale equivalent#4C4C4C
Inverted#D2AAB4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#52514Bno red cones; affects about 1% of men; ΔE 16.3 from the original
Deuteranopia#4C4C4Cno green cones; the most common form, about 1% of men; ΔE 17 from the original
Tritanopia#1F5652no blue cones; rare, and affects men and women equally; ΔE 5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.36:1WCAG large text: AAA
Contrast with black, large text2.51:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 7.5Dim grey · ΔE 20.4Teal · ΔE 21.7Dark cyan · ΔE 25.8Gray · ΔE 26.6Slate grey · ΔE 27.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 7.52, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#552D37
Analogous#2D5537, #2D4B55
Triadic#4B2D55, #554B2D
Split complementary#552D4B, #55372D
Tetradic#372D55, #552D37, #4B552D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8CC2B5
Lighter +30%#6BB09F
Lighter +20%#509886
Lighter +10%#3F7668
Darker −10%#1B342E
Darker −20%#0A1210
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1D6553
Less saturated −25%#3D4543

Channel breakdown

R45
G85
B75
Red45 (17.6%)
Green85 (33.3%)
Blue75 (29.4%)
Hue165°
Saturation (HSL)30.77%
Lightness25.49%
Dominant channelGreen
Hex per channelR 2D · G 55 · B 4B

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Every value on this page was computed from “2d554b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.