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Recognised as Colour

#437A8A

  • #437A8A
  • Cyan
  • Dark
  • Nearest: Slate grey

#437A8A is a cyan with RGB values 67, 122, 138 and HSL 194°, 35%, 40%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#437A8A#437A8A
HEX#437A8A
RGBrgb(67, 122, 138)
RGB (0–1)0.2627, 0.4784, 0.5412
RGB percentages26.3%, 47.8%, 54.1%
HSLhsl(193.5, 34.6%, 40.2%)
HSV / HSBhsv(193.5, 51.4%, 54.1%)
CMYK51.4%, 11.6%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,422,282
CSS custom property--colour: #437A8A;

Brightness & contrast

Relative luminance0.16947WCAG 2.x, 0 is black and 1 is white
Perceived brightness110.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.78:1
Contrast with white4.78:1WCAG normal text: AA
Contrast with black4.39:1WCAG normal text: Fail
Greyscale equivalent#6F6F6F
Inverted#BC8575

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#70778Bno red cones; affects about 1% of men; ΔE 15.7 from the original
Deuteranopia#656F8Ano green cones; the most common form, about 1% of men; ΔE 16.4 from the original
Tritanopia#1A807Fno blue cones; rare, and affects men and women equally; ΔE 15.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.78:1WCAG large text: AAA
Contrast with black, large text4.39:1WCAG large text: AA

Named colours

Slate grey · ΔE 12.8Light slate grey · ΔE 14Cadetblue · ΔE 15.9Teal · ΔE 16.4Dark cyan · ΔE 18.4Dim grey · ΔE 20.1
Nearest named CSS colourSlate grey (#708090)ΔE 12.84, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8A5343
Analogous#438A76, #43578A
Triadic#8A437A, #7A8A43
Split complementary#8A4357, #8A7643
Tetradic#76438A, #8A5343, #578A43

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BBD6DE
Lighter +30%#99C1CD
Lighter +20%#76ADBD
Lighter +10%#5498AC
Darker −10%#325C68
Darker −20%#223D45
Darker −30%#111F23
Darker −40%#000101
More saturated +25%#2988A4
Less saturated −25%#5D6C70

Channel breakdown

R67
G122
B138
Red67 (26.3%)
Green122 (47.8%)
Blue138 (54.1%)
Hue193.52°
Saturation (HSL)34.63%
Lightness40.2%
Dominant channelBlue
Hex per channelR 43 · G 7A · B 8A

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Every value on this page was computed from “437a8a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.