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Colour

#1D99AD

  • #1D99AD
  • Cyan
  • Dark
  • Nearest: Dark cyan

#1D99AD is a cyan with RGB values 29, 153, 173 and HSL 188°, 71%, 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 Dark cyan.

Colour values

#1D99AD#1D99AD
HEX#1D99AD
RGBrgb(29, 153, 173)
RGB (0–1)0.1137, 0.6, 0.6784
RGB percentages11.4%, 60%, 67.8%
HSLhsl(188.3, 71.3%, 39.6%)
HSV / HSBhsv(188.3, 83.2%, 67.8%)
CMYK83.2%, 11.6%, 0%, 32.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,939,885
CSS custom property--colour: #1D99AD;

Brightness & contrast

Relative luminance0.26061WCAG 2.x, 0 is black and 1 is white
Perceived brightness131.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.21:1
Contrast with white3.38:1WCAG normal text: Fail
Contrast with black6.21:1WCAG normal text: AA
Greyscale equivalent#808080
Inverted#E26652

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8993AEno red cones; affects about 1% of men; ΔE 27.6 from the original
Deuteranopia#7786ADno green cones; the most common form, about 1% of men; ΔE 28.9 from the original
Tritanopia#00A19Fno blue cones; rare, and affects men and women equally; ΔE 14.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.38:1WCAG large text: AA
Contrast with black, large text6.21:1WCAG large text: AAA

Named colours

Dark cyan · ΔE 13.5Cadetblue · ΔE 13.5Teal · ΔE 15.4Light seagreen · ΔE 19.9Sky blue · ΔE 23.4Dark turquoise · ΔE 23.8
Nearest named CSS colourDark cyan (#008B8B)ΔE 13.45, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AD311D
Analogous#1DAD79, #1D51AD
Triadic#AD1D99, #99AD1D
Split complementary#AD1D51, #AD791D
Tetradic#791DAD, #AD311D, #51AD1D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A6E6F0
Lighter +30%#7AD9E9
Lighter +20%#4FCDE1
Lighter +10%#24C0D9
Darker −10%#167281
Darker −20%#0E4C56
Darker −30%#07252A
Darker −40%#000000
More saturated +25%#04ABC6
Less saturated −25%#368794

Channel breakdown

R29
G153
B173
Red29 (11.4%)
Green153 (60%)
Blue173 (67.8%)
Hue188.33°
Saturation (HSL)71.29%
Lightness39.61%
Dominant channelBlue
Hex per channelR 1D · G 99 · B AD

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Every value on this page was computed from “1d99ad” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.