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Recognised as Colour

#37635C

  • #37635C
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#37635C is a cyan with RGB values 55, 99, 92 and HSL 170°, 29%, 30%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Dark slate grey.

Colour values

#37635C#37635C
HEX#37635C
RGBrgb(55, 99, 92)
RGB (0–1)0.2157, 0.3882, 0.3608
RGB percentages21.6%, 38.8%, 36.1%
HSLhsl(170.5, 28.6%, 30.2%)
HSV / HSBhsv(170.5, 44.4%, 38.8%)
CMYK44.4%, 0%, 7.1%, 61.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,629,916
CSS custom property--colour: #37635C;

Brightness & contrast

Relative luminance0.10509WCAG 2.x, 0 is black and 1 is white
Perceived brightness87.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.77:1
Contrast with white6.77:1WCAG normal text: AA
Contrast with black3.1:1WCAG normal text: Fail
Greyscale equivalent#595959
Inverted#C89CA3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5F5E5Cno red cones; affects about 1% of men; ΔE 17.3 from the original
Deuteranopia#58595Dno green cones; the most common form, about 1% of men; ΔE 17.7 from the original
Tritanopia#266561no blue cones; rare, and affects men and women equally; ΔE 4.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.77:1WCAG large text: AAA
Contrast with black, large text3.1:1WCAG large text: AA

Named colours

Dark slate grey · ΔE 9.7Teal · ΔE 17Dim grey · ΔE 18Dark cyan · ΔE 20.8Gray · ΔE 22.7Slate grey · ΔE 22.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 9.68, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#63373E
Analogous#376346, #375463
Triadic#5C3763, #635C37
Split complementary#633754, #634637
Tetradic#463763, #63373E, #546337

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9DC9C2
Lighter +30%#7DB7AD
Lighter +20%#5CA499
Lighter +10%#49847A
Darker −10%#25423E
Darker −20%#13211F
Darker −30%#000101
Darker −40%#000000
More saturated +25%#247669
Less saturated −25%#4A504F

Channel breakdown

R55
G99
B92
Red55 (21.6%)
Green99 (38.8%)
Blue92 (36.1%)
Hue170.45°
Saturation (HSL)28.57%
Lightness30.2%
Dominant channelGreen
Hex per channelR 37 · G 63 · B 5C

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Every value on this page was computed from “37635c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.