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Colour

#1DCBE4

  • #1DCBE4
  • Cyan
  • Dark
  • Nearest: Dark turquoise

#1DCBE4 is a cyan with RGB values 29, 203, 228 and HSL 188°, 79%, 50%. It is a dark colour, so black text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#1DCBE4#1DCBE4
HEX#1DCBE4
RGBrgb(29, 203, 228)
RGB (0–1)0.1137, 0.7961, 0.8941
RGB percentages11.4%, 79.6%, 89.4%
HSLhsl(187.5, 78.7%, 50.4%)
HSV / HSBhsv(187.5, 87.3%, 89.4%)
CMYK87.3%, 11%, 0%, 10.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,952,740
CSS custom property--colour: #1DCBE4;

Brightness & contrast

Relative luminance0.48575WCAG 2.x, 0 is black and 1 is white
Perceived brightness174.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.71:1
Contrast with white1.96:1WCAG normal text: Fail
Contrast with black10.71:1WCAG normal text: AAA
Greyscale equivalent#A8A8A8
Inverted#E2341B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B7C3E5no red cones; affects about 1% of men; ΔE 35.4 from the original
Deuteranopia#9EB1E4no green cones; the most common form, about 1% of men; ΔE 37.1 from the original
Tritanopia#00D6D3no blue cones; rare, and affects men and women equally; ΔE 17.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.96:1WCAG large text: Fail
Contrast with black, large text10.71:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 13.3Medium turquoise · ΔE 16.6Sky blue · ΔE 17.6Light seagreen · ΔE 20.8Light skyblue · ΔE 21.9Deep skyblue · ΔE 23.5
Nearest named CSS colourDark turquoise (#00CED1)ΔE 13.31, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E4361D
Analogous#1DE499, #1D68E4
Triadic#E41DCB, #CBE41D
Split complementary#E41D68, #E4991D
Tetradic#991DE4, #E4361D, #68E41D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D3F5FA
Lighter +30%#A6EAF4
Lighter +20%#78E0EF
Lighter +10%#4BD5E9
Darker −10%#16A4B8
Darker −20%#117B8A
Darker −30%#0B535D
Darker −40%#062A2F
More saturated +25%#02DFFF
Less saturated −25%#3DB3C4

Channel breakdown

R29
G203
B228
Red29 (11.4%)
Green203 (79.6%)
Blue228 (89.4%)
Hue187.54°
Saturation (HSL)78.66%
Lightness50.39%
Dominant channelBlue
Hex per channelR 1D · G CB · B E4

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Every value on this page was computed from “1dcbe4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.