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Recognised as Colour

#234A39

  • #234A39
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#234A39 is a cyan with RGB values 35, 74, 57 and HSL 154°, 36%, 21%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#234A39#234A39
HEX#234A39
RGBrgb(35, 74, 57)
RGB (0–1)0.1373, 0.2902, 0.2235
RGB percentages13.7%, 29%, 22.4%
HSLhsl(153.8, 35.8%, 21.4%)
HSV / HSBhsv(153.8, 52.7%, 29%)
CMYK52.7%, 0%, 23%, 71%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,312,761
CSS custom property--colour: #234A39;

Brightness & contrast

Relative luminance0.0555WCAG 2.x, 0 is black and 1 is white
Perceived brightness62.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.95:1
Contrast with white9.95:1WCAG normal text: AAA
Contrast with black2.11:1WCAG normal text: Fail
Greyscale equivalent#404040
Inverted#DCB5C6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#494538no red cones; affects about 1% of men; ΔE 17.9 from the original
Deuteranopia#43413Ano green cones; the most common form, about 1% of men; ΔE 18 from the original
Tritanopia#174A45no blue cones; rare, and affects men and women equally; ΔE 8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.95:1WCAG large text: AAA
Contrast with black, large text2.11:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 12.2Dim grey · ΔE 25.3Teal · ΔE 26.7Dark olivegreen · ΔE 28.3Dark cyan · ΔE 30.7Gray · ΔE 32
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 12.22, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4A2334
Analogous#234A25, #23484A
Triadic#39234A, #4A3923
Split complementary#4A2348, #4A2523
Tetradic#25234A, #4A2334, #484A23

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#79C0A1
Lighter +30%#57AF89
Lighter +20%#448F6E
Lighter +10%#336D54
Darker −10%#13271E
Darker −20%#020504
Darker −30%#000000
Darker −40%#000000
More saturated +25%#15583B
Less saturated −25%#313C37

Channel breakdown

R35
G74
B57
Red35 (13.7%)
Green74 (29%)
Blue57 (22.4%)
Hue153.85°
Saturation (HSL)35.78%
Lightness21.37%
Dominant channelGreen
Hex per channelR 23 · G 4A · B 39

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Every value on this page was computed from “234a39” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.