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Recognised as Colour

#1D99AF

  • #1D99AF
  • Cyan
  • Dark
  • Nearest: Cadetblue

#1D99AF is a cyan with RGB values 29, 153, 175 and HSL 189°, 72%, 40%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Cadetblue.

Colour values

#1D99AF#1D99AF
HEX#1D99AF
RGBrgb(29, 153, 175)
RGB (0–1)0.1137, 0.6, 0.6863
RGB percentages11.4%, 60%, 68.6%
HSLhsl(189, 71.6%, 40%)
HSV / HSBhsv(189, 83.4%, 68.6%)
CMYK83.4%, 12.6%, 0%, 31.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,939,887
CSS custom property--colour: #1D99AF;

Brightness & contrast

Relative luminance0.26139WCAG 2.x, 0 is black and 1 is white
Perceived brightness132.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.23:1
Contrast with white3.37:1WCAG normal text: Fail
Contrast with black6.23:1WCAG normal text: AA
Greyscale equivalent#808080
Inverted#E26650

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8994B0no red cones; affects about 1% of men; ΔE 27 from the original
Deuteranopia#7686AFno green cones; the most common form, about 1% of men; ΔE 28.5 from the original
Tritanopia#00A1A0no blue cones; rare, and affects men and women equally; ΔE 15.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.37:1WCAG large text: AA
Contrast with black, large text6.23:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 14.2Dark cyan · ΔE 14.6Teal · ΔE 16.4Light seagreen · ΔE 21Sky blue · ΔE 23Steel blue · ΔE 23.8
Nearest named CSS colourCadetblue (#5F9EA0)ΔE 14.24, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AF331D
Analogous#1DAF7C, #1D50AF
Triadic#AF1D99, #99AF1D
Split complementary#AF1D50, #AF7C1D
Tetradic#7C1DAF, #AF331D, #50AF1D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A8E6F1
Lighter +30%#7CD9E9
Lighter +20%#50CCE2
Lighter +10%#24BFDB
Darker −10%#167383
Darker −20%#0F4D58
Darker −30%#07262C
Darker −40%#000000
More saturated +25%#04ABC9
Less saturated −25%#378796

Channel breakdown

R29
G153
B175
Red29 (11.4%)
Green153 (60%)
Blue175 (68.6%)
Hue189.04°
Saturation (HSL)71.57%
Lightness40%
Dominant channelBlue
Hex per channelR 1D · G 99 · B AF

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Every value on this page was computed from “1d99af” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.