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Recognised as Colour

#1EB5D5

  • #1EB5D5
  • Cyan
  • Dark
  • Nearest: Sky blue

#1EB5D5 is a cyan with RGB values 30, 181, 213 and HSL 190°, 75%, 48%. It is a dark colour, so black text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#1EB5D5#1EB5D5
HEX#1EB5D5
RGBrgb(30, 181, 213)
RGB (0–1)0.1176, 0.7098, 0.8353
RGB percentages11.8%, 71%, 83.5%
HSLhsl(190.5, 75.3%, 47.6%)
HSV / HSBhsv(190.5, 85.9%, 83.5%)
CMYK85.9%, 15%, 0%, 16.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,012,629
CSS custom property--colour: #1EB5D5;

Brightness & contrast

Relative luminance0.38128WCAG 2.x, 0 is black and 1 is white
Perceived brightness157.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.63:1
Contrast with white2.43:1WCAG normal text: Fail
Contrast with black8.63:1WCAG normal text: AAA
Greyscale equivalent#979797
Inverted#E14A2A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A0AFD7no red cones; affects about 1% of men; ΔE 29.9 from the original
Deuteranopia#899FD5no green cones; the most common form, about 1% of men; ΔE 31.3 from the original
Tritanopia#00C0BFno blue cones; rare, and affects men and women equally; ΔE 20.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.43:1WCAG large text: Fail
Contrast with black, large text8.63:1WCAG large text: AAA

Named colours

Sky blue · ΔE 16.4Deep skyblue · ΔE 18.4Light skyblue · ΔE 19Dark turquoise · ΔE 20.7Cadetblue · ΔE 21.2Medium turquoise · ΔE 23.3
Nearest named CSS colourSky blue (#87CEEB)ΔE 16.4, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D53E1E
Analogous#1ED599, #1E5AD5
Triadic#D51EB5, #B5D51E
Split complementary#D51E5A, #D5991E
Tetradic#991ED5, #D53E1E, #5AD51E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C8EFF7
Lighter +30%#9BE2F1
Lighter +20%#6ED5EB
Lighter +10%#42C8E4
Darker −10%#188FA8
Darker −20%#11697C
Darker −30%#0B434F
Darker −40%#051D22
More saturated +25%#00C9F3
Less saturated −25%#3CA1B7

Channel breakdown

R30
G181
B213
Red30 (11.8%)
Green181 (71%)
Blue213 (83.5%)
Hue190.49°
Saturation (HSL)75.31%
Lightness47.65%
Dominant channelBlue
Hex per channelR 1E · G B5 · B D5

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Every value on this page was computed from “1eb5d5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.