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Recognised as Colour

#31887F

  • #31887F
  • Cyan
  • Dark
  • Nearest: Teal

#31887F is a cyan with RGB values 49, 136, 127 and HSL 174°, 47%, 36%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Teal.

Colour values

#31887F#31887F
HEX#31887F
RGBrgb(49, 136, 127)
RGB (0–1)0.1922, 0.5333, 0.498
RGB percentages19.2%, 53.3%, 49.8%
HSLhsl(173.8, 47%, 36.3%)
HSV / HSBhsv(173.8, 64%, 53.3%)
CMYK64%, 0%, 6.6%, 46.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,246,207
CSS custom property--colour: #31887F;

Brightness & contrast

Relative luminance0.19794WCAG 2.x, 0 is black and 1 is white
Perceived brightness115.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.96:1
Contrast with white4.23:1WCAG normal text: Fail
Contrast with black4.96:1WCAG normal text: AA
Greyscale equivalent#757575
Inverted#CE7780

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#81817Fno red cones; affects about 1% of men; ΔE 27.9 from the original
Deuteranopia#747780no green cones; the most common form, about 1% of men; ΔE 28.9 from the original
Tritanopia#008B85no blue cones; rare, and affects men and women equally; ΔE 5.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.23:1WCAG large text: AA
Contrast with black, large text4.96:1WCAG large text: AAA

Named colours

Teal · ΔE 6.6Dark cyan · ΔE 6.7Cadetblue · ΔE 13.4Light seagreen · ΔE 17.5Sea green · ΔE 25.7Dark slate grey · ΔE 26
Nearest named CSS colourTeal (#008080)ΔE 6.62, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#88313A
Analogous#318854, #316688
Triadic#7F3188, #887F31
Split complementary#883166, #885431
Tetradic#533188, #88313A, #658831

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A6DFD9
Lighter +30%#81D1C9
Lighter +20%#5BC4B9
Lighter +10%#3FADA2
Darker −10%#23635C
Darker −20%#163D39
Darker −30%#081816
Darker −40%#000000
More saturated +25%#1A9F91
Less saturated −25%#48716D

Channel breakdown

R49
G136
B127
Red49 (19.2%)
Green136 (53.3%)
Blue127 (49.8%)
Hue173.79°
Saturation (HSL)47.03%
Lightness36.27%
Dominant channelGreen
Hex per channelR 31 · G 88 · B 7F

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Every value on this page was computed from “31887f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.