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Recognised as Colour

#437D8C

  • #437D8C
  • Cyan
  • Dark
  • Nearest: Slate grey

#437D8C is a cyan with RGB values 67, 125, 140 and HSL 192°, 35%, 41%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#437D8C#437D8C
HEX#437D8C
RGBrgb(67, 125, 140)
RGB (0–1)0.2627, 0.4902, 0.549
RGB percentages26.3%, 49%, 54.9%
HSLhsl(192.3, 35.3%, 40.6%)
HSV / HSBhsv(192.3, 52.1%, 54.9%)
CMYK52.1%, 10.7%, 0%, 45.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,423,052
CSS custom property--colour: #437D8C;

Brightness & contrast

Relative luminance0.17754WCAG 2.x, 0 is black and 1 is white
Perceived brightness112.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.61:1
Contrast with white4.61:1WCAG normal text: AA
Contrast with black4.55:1WCAG normal text: AA
Greyscale equivalent#727272
Inverted#BC8273

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#737A8Dno red cones; affects about 1% of men; ΔE 16.6 from the original
Deuteranopia#68718Cno green cones; the most common form, about 1% of men; ΔE 17.7 from the original
Tritanopia#168382no blue cones; rare, and affects men and women equally; ΔE 15.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.61:1WCAG large text: AAA
Contrast with black, large text4.55:1WCAG large text: AAA

Named colours

Slate grey · ΔE 13.4Light slate grey · ΔE 14.3Cadetblue · ΔE 14.6Teal · ΔE 15.3Dark cyan · ΔE 17.1Gray · ΔE 20.7
Nearest named CSS colourSlate grey (#708090)ΔE 13.4, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8C5243
Analogous#438C76, #43598C
Triadic#8C437D, #7D8C43
Split complementary#8C4359, #8C7643
Tetradic#76438C, #8C5243, #598C43

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BCD8DF
Lighter +30%#9AC4CE
Lighter +20%#77AFBE
Lighter +10%#559BAD
Darker −10%#325E6A
Darker −20%#223F47
Darker −30%#112125
Darker −40%#010202
More saturated +25%#298CA6
Less saturated −25%#5D6E72

Channel breakdown

R67
G125
B140
Red67 (26.3%)
Green125 (49%)
Blue140 (54.9%)
Hue192.33°
Saturation (HSL)35.27%
Lightness40.59%
Dominant channelBlue
Hex per channelR 43 · G 7D · B 8C

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Every value on this page was computed from “437d8c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.