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Colour

#437C8D

  • #437C8D
  • Cyan
  • Dark
  • Nearest: Slate grey

#437C8D is a cyan with RGB values 67, 124, 141 and HSL 194°, 36%, 41%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#437C8D#437C8D
HEX#437C8D
RGBrgb(67, 124, 141)
RGB (0–1)0.2627, 0.4863, 0.5529
RGB percentages26.3%, 48.6%, 55.3%
HSLhsl(193.8, 35.6%, 40.8%)
HSV / HSBhsv(193.8, 52.5%, 55.3%)
CMYK52.5%, 12.1%, 0%, 44.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,422,797
CSS custom property--colour: #437C8D;

Brightness & contrast

Relative luminance0.17532WCAG 2.x, 0 is black and 1 is white
Perceived brightness112.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.66:1
Contrast with white4.66:1WCAG normal text: AA
Contrast with black4.51:1WCAG normal text: AA
Greyscale equivalent#717171
Inverted#BC8372

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#71798Eno red cones; affects about 1% of men; ΔE 15.8 from the original
Deuteranopia#66718Dno green cones; the most common form, about 1% of men; ΔE 16.5 from the original
Tritanopia#158281no blue cones; rare, and affects men and women equally; ΔE 16.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.66:1WCAG large text: AAA
Contrast with black, large text4.51:1WCAG large text: AAA

Named colours

Slate grey · ΔE 13Light slate grey · ΔE 14Cadetblue · ΔE 15.6Teal · ΔE 16.5Dark cyan · ΔE 18.2Steel blue · ΔE 20
Nearest named CSS colourSlate grey (#708090)ΔE 13, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8D5443
Analogous#438D79, #43578D
Triadic#8D437C, #7C8D43
Split complementary#8D4357, #8D7943
Tetradic#79438D, #8D5443, #578D43

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BDD7DF
Lighter +30%#9AC3CF
Lighter +20%#77AEBF
Lighter +10%#559AAE
Darker −10%#335E6A
Darker −20%#223F48
Darker −30%#122125
Darker −40%#010203
More saturated +25%#298AA7
Less saturated −25%#5D6E73

Channel breakdown

R67
G124
B141
Red67 (26.3%)
Green124 (48.6%)
Blue141 (55.3%)
Hue193.78°
Saturation (HSL)35.58%
Lightness40.78%
Dominant channelBlue
Hex per channelR 43 · G 7C · B 8D

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Every value on this page was computed from “437c8d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.