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Recognised as Colour

#1DA1B4

  • #1DA1B4
  • Cyan
  • Dark
  • Nearest: Cadetblue

#1DA1B4 is a cyan with RGB values 29, 161, 180 and HSL 188°, 72%, 41%. It is a dark colour, so black text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Cadetblue.

Colour values

#1DA1B4#1DA1B4
HEX#1DA1B4
RGBrgb(29, 161, 180)
RGB (0–1)0.1137, 0.6314, 0.7059
RGB percentages11.4%, 63.1%, 70.6%
HSLhsl(187.5, 72.2%, 41%)
HSV / HSBhsv(187.5, 83.9%, 70.6%)
CMYK83.9%, 10.6%, 0%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,941,940
CSS custom property--colour: #1DA1B4;

Brightness & contrast

Relative luminance0.29046WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.81:1
Contrast with white3.08:1WCAG normal text: Fail
Contrast with black6.81:1WCAG normal text: AA
Greyscale equivalent#868686
Inverted#E25E4B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#919BB5no red cones; affects about 1% of men; ΔE 29.2 from the original
Deuteranopia#7E8DB4no green cones; the most common form, about 1% of men; ΔE 30.5 from the original
Tritanopia#00A9A7no blue cones; rare, and affects men and women equally; ΔE 13.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.08:1WCAG large text: AA
Contrast with black, large text6.81:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 13.8Dark cyan · ΔE 14.1Teal · ΔE 16.8Light seagreen · ΔE 17.8Dark turquoise · ΔE 20.6Sky blue · ΔE 21.9
Nearest named CSS colourCadetblue (#5F9EA0)ΔE 13.8, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B4301D
Analogous#1DB47C, #1D55B4
Triadic#B41DA1, #A1B41D
Split complementary#B41D56, #B47C1D
Tetradic#7C1DB4, #B4301D, #55B41D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ABE9F2
Lighter +30%#80DDEA
Lighter +20%#54D1E3
Lighter +10%#28C6DC
Darker −10%#167A88
Darker −20%#0F525C
Darker −30%#082B30
Darker −40%#010404
More saturated +25%#03B5CE
Less saturated −25%#378D9A

Channel breakdown

R29
G161
B180
Red29 (11.4%)
Green161 (63.1%)
Blue180 (70.6%)
Hue187.55°
Saturation (HSL)72.25%
Lightness40.98%
Dominant channelBlue
Hex per channelR 1D · G A1 · B B4

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Every value on this page was computed from “1da1b4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.