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Recognised as Colour

#4B8087

  • #4B8087
  • Cyan
  • Dark
  • Nearest: Cadetblue

#4B8087 is a cyan with RGB values 75, 128, 135 and HSL 187°, 29%, 41%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Cadetblue.

Colour values

#4B8087#4B8087
HEX#4B8087
RGBrgb(75, 128, 135)
RGB (0–1)0.2941, 0.502, 0.5294
RGB percentages29.4%, 50.2%, 52.9%
HSLhsl(187, 28.6%, 41.2%)
HSV / HSBhsv(187, 44.4%, 52.9%)
CMYK44.4%, 5.2%, 0%, 47.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,948,103
CSS custom property--colour: #4B8087;

Brightness & contrast

Relative luminance0.18683WCAG 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 4.74:1
Contrast with white4.43:1WCAG normal text: Fail
Contrast with black4.74:1WCAG normal text: AA
Greyscale equivalent#757575
Inverted#B47F78

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#787C87no red cones; affects about 1% of men; ΔE 16.9 from the original
Deuteranopia#6E7587no green cones; the most common form, about 1% of men; ΔE 17.2 from the original
Tritanopia#2F8482no blue cones; rare, and affects men and women equally; ΔE 10.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.43:1WCAG large text: AA
Contrast with black, large text4.74:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 11.7Teal · ΔE 13.4Slate grey · ΔE 13.8Light slate grey · ΔE 14.7Dark cyan · ΔE 15.1Gray · ΔE 18.5
Nearest named CSS colourCadetblue (#5F9EA0)ΔE 11.71, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#87524B
Analogous#4B8770, #4B6287
Triadic#874B80, #80874B
Split complementary#874B62, #87704B
Tetradic#704B87, #87524B, #62874B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C1DADD
Lighter +30%#A0C6CB
Lighter +20%#80B2B8
Lighter +10%#5F9EA6
Darker −10%#396166
Darker −20%#274245
Darker −30%#142325
Darker −40%#020404
More saturated +25%#3194A1
Less saturated −25%#656C6D

Channel breakdown

R75
G128
B135
Red75 (29.4%)
Green128 (50.2%)
Blue135 (52.9%)
Hue187°
Saturation (HSL)28.57%
Lightness41.18%
Dominant channelBlue
Hex per channelR 4B · G 80 · B 87

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Every value on this page was computed from “4b8087” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.