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Recognised as Colour

#137F8A

  • #137F8A
  • Cyan
  • Dark
  • Nearest: Teal

#137F8A is a cyan with RGB values 19, 127, 138 and HSL 186°, 76%, 31%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Teal.

Colour values

#137F8A#137F8A
HEX#137F8A
RGBrgb(19, 127, 138)
RGB (0–1)0.0745, 0.498, 0.5412
RGB percentages7.5%, 49.8%, 54.1%
HSLhsl(185.5, 75.8%, 30.8%)
HSV / HSBhsv(185.5, 86.2%, 54.1%)
CMYK86.2%, 8%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,277,834
CSS custom property--colour: #137F8A;

Brightness & contrast

Relative luminance0.17152WCAG 2.x, 0 is black and 1 is white
Perceived brightness108.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.74:1
Contrast with white4.74:1WCAG normal text: AA
Contrast with black4.43:1WCAG normal text: Fail
Greyscale equivalent#696969
Inverted#EC8075

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#73798Bno red cones; affects about 1% of men; ΔE 26 from the original
Deuteranopia#646E8Ano green cones; the most common form, about 1% of men; ΔE 27.1 from the original
Tritanopia#008582no blue cones; rare, and affects men and women equally; ΔE 9.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.74:1WCAG large text: AAA
Contrast with black, large text4.43:1WCAG large text: AA

Named colours

Teal · ΔE 7.4Dark cyan · ΔE 9.2Cadetblue · ΔE 14.9Slate grey · ΔE 22.5Light slate grey · ΔE 23.1Light seagreen · ΔE 23.3
Nearest named CSS colourTeal (#008080)ΔE 7.45, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8A1E13
Analogous#138A5A, #13438A
Triadic#8A137F, #7F8A13
Split complementary#8A1343, #8A5913
Tetradic#5A138A, #8A1E13, #448A13

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7CE3ED
Lighter +30%#4FD9E7
Lighter +20%#22CFE1
Lighter +10%#19A8B7
Darker −10%#0D565D
Darker −20%#072C30
Darker −30%#000304
Darker −40%#000000
More saturated +25%#008E9D
Less saturated −25%#276F76

Channel breakdown

R19
G127
B138
Red19 (7.5%)
Green127 (49.8%)
Blue138 (54.1%)
Hue185.55°
Saturation (HSL)75.8%
Lightness30.78%
Dominant channelBlue
Hex per channelR 13 · G 7F · B 8A

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Every value on this page was computed from “137f8a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.