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Recognised as Colour

#37877D

  • #37877D
  • Cyan
  • Dark
  • Nearest: Teal

#37877D is a cyan with RGB values 55, 135, 125 and HSL 173°, 42%, 37%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Teal.

Colour values

#37877D#37877D
HEX#37877D
RGBrgb(55, 135, 125)
RGB (0–1)0.2157, 0.5294, 0.4902
RGB percentages21.6%, 52.9%, 49%
HSLhsl(172.5, 42.1%, 37.3%)
HSV / HSBhsv(172.5, 59.3%, 52.9%)
CMYK59.3%, 0%, 7.4%, 47.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,639,165
CSS custom property--colour: #37877D;

Brightness & contrast

Relative luminance0.19621WCAG 2.x, 0 is black and 1 is white
Perceived brightness115.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.92:1
Contrast with white4.26:1WCAG normal text: Fail
Contrast with black4.92:1WCAG normal text: AA
Greyscale equivalent#757575
Inverted#C87882

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#81807Dno red cones; affects about 1% of men; ΔE 27 from the original
Deuteranopia#74777Eno green cones; the most common form, about 1% of men; ΔE 27.3 from the original
Tritanopia#008A84no blue cones; rare, and affects men and women equally; ΔE 6.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.26:1WCAG large text: AA
Contrast with black, large text4.92:1WCAG large text: AAA

Named colours

Teal · ΔE 7.5Dark cyan · ΔE 8Cadetblue · ΔE 13.3Light seagreen · ΔE 18.4Dark slate grey · ΔE 25.3Sea green · ΔE 25.5
Nearest named CSS colourTeal (#008080)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#873741
Analogous#378755, #376987
Triadic#7D3787, #877D37
Split complementary#873769, #875537
Tetradic#553787, #873741, #698737

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ADDDD7
Lighter +30%#88CFC6
Lighter +20%#64C0B4
Lighter +10%#46AB9F
Darker −10%#28635B
Darker −20%#193F3A
Darker −30%#0B1A18
Darker −40%#000000
More saturated +25%#1F9F8F
Less saturated −25%#4F6F6B

Channel breakdown

R55
G135
B125
Red55 (21.6%)
Green135 (52.9%)
Blue125 (49%)
Hue172.5°
Saturation (HSL)42.11%
Lightness37.25%
Dominant channelGreen
Hex per channelR 37 · G 87 · B 7D

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Every value on this page was computed from “37877d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.