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Colour

#139DC9

  • #139DC9
  • Cyan
  • Dark
  • Nearest: Steel blue

#139DC9 is a cyan with RGB values 19, 157, 201 and HSL 195°, 83%, 43%. It is a dark colour, so black text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#139DC9#139DC9
HEX#139DC9
RGBrgb(19, 157, 201)
RGB (0–1)0.0745, 0.6157, 0.7882
RGB percentages7.5%, 61.6%, 78.8%
HSLhsl(194.5, 82.7%, 43.1%)
HSV / HSBhsv(194.5, 90.5%, 78.8%)
CMYK90.5%, 21.9%, 0%, 21.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,285,577
CSS custom property--colour: #139DC9;

Brightness & contrast

Relative luminance0.28469WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.69:1
Contrast with white3.14:1WCAG normal text: Fail
Contrast with black6.69:1WCAG normal text: AA
Greyscale equivalent#838383
Inverted#EC6236

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#859ACBno red cones; affects about 1% of men; ΔE 23 from the original
Deuteranopia#6F8BC8no green cones; the most common form, about 1% of men; ΔE 24.5 from the original
Tritanopia#00AAACno blue cones; rare, and affects men and women equally; ΔE 26.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.14:1WCAG large text: AA
Contrast with black, large text6.69:1WCAG large text: AAA

Named colours

Steel blue · ΔE 15.9Deep skyblue · ΔE 16.2Light skyblue · ΔE 21Sky blue · ΔE 21.9Cadetblue · ΔE 24.6Light slate grey · ΔE 26.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 15.94, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C93F13
Analogous#13C99A, #1342C9
Triadic#C9139D, #9DC913
Split complementary#C91342, #C99A13
Tetradic#9A13C9, #C93F13, #42C913

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B0E6F8
Lighter +30%#82D8F3
Lighter +20%#53C9EF
Lighter +10%#25BBEA
Darker −10%#0F799A
Darker −20%#0A546C
Darker −30%#06303D
Darker −40%#010B0F
More saturated +25%#00A7DC
Less saturated −25%#2E8FAE

Channel breakdown

R19
G157
B201
Red19 (7.5%)
Green157 (61.6%)
Blue201 (78.8%)
Hue194.51°
Saturation (HSL)82.73%
Lightness43.14%
Dominant channelBlue
Hex per channelR 13 · G 9D · B C9

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Every value on this page was computed from “139dc9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.