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Colour

#137A83

  • #137A83
  • Cyan
  • Dark
  • Nearest: Teal

#137A83 is a cyan with RGB values 19, 122, 131 and HSL 185°, 75%, 29%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Teal.

Colour values

#137A83#137A83
HEX#137A83
RGBrgb(19, 122, 131)
RGB (0–1)0.0745, 0.4784, 0.5137
RGB percentages7.5%, 47.8%, 51.4%
HSLhsl(184.8, 74.7%, 29.4%)
HSV / HSBhsv(184.8, 85.5%, 51.4%)
CMYK85.5%, 6.9%, 0%, 48.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,276,547
CSS custom property--colour: #137A83;

Brightness & contrast

Relative luminance0.15696WCAG 2.x, 0 is black and 1 is white
Perceived brightness103.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.07:1
Contrast with white5.07:1WCAG normal text: AA
Contrast with black4.14:1WCAG normal text: Fail
Greyscale equivalent#656565
Inverted#EC857C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6F7584no red cones; affects about 1% of men; ΔE 25.2 from the original
Deuteranopia#606A83no green cones; the most common form, about 1% of men; ΔE 26.1 from the original
Tritanopia#00807Dno blue cones; rare, and affects men and women equally; ΔE 8.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.07:1WCAG large text: AAA
Contrast with black, large text4.14:1WCAG large text: AA

Named colours

Teal · ΔE 6.9Dark cyan · ΔE 9.7Cadetblue · ΔE 16Dark slate grey · ΔE 21.4Slate grey · ΔE 22.5Light slate grey · ΔE 23.4
Nearest named CSS colourTeal (#008080)ΔE 6.92, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#831C13
Analogous#138354, #134283
Triadic#83137A, #7A8313
Split complementary#831342, #835413
Tetradic#541383, #831C13, #428313

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#77E2EB
Lighter +30%#4AD8E5
Lighter +20%#20CDDC
Lighter +10%#19A3B0
Darker −10%#0D5156
Darker −20%#06272A
Darker −30%#000000
Darker −40%#000000
More saturated +25%#008A96
Less saturated −25%#266A70

Channel breakdown

R19
G122
B131
Red19 (7.5%)
Green122 (47.8%)
Blue131 (51.4%)
Hue184.82°
Saturation (HSL)74.67%
Lightness29.41%
Dominant channelBlue
Hex per channelR 13 · G 7A · B 83

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Every value on this page was computed from “137a83” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.