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Recognised as Colour

#1FBBE9

  • #1FBBE9
  • Cyan
  • Dark
  • Nearest: Deep skyblue

#1FBBE9 is a cyan with RGB values 31, 187, 233 and HSL 194°, 82%, 52%. It is a dark colour, so black text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#1FBBE9#1FBBE9
HEX#1FBBE9
RGBrgb(31, 187, 233)
RGB (0–1)0.1216, 0.7333, 0.9137
RGB percentages12.2%, 73.3%, 91.4%
HSLhsl(193.7, 82.1%, 51.8%)
HSV / HSBhsv(193.7, 86.7%, 91.4%)
CMYK86.7%, 19.7%, 0%, 8.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,079,721
CSS custom property--colour: #1FBBE9;

Brightness & contrast

Relative luminance0.41715WCAG 2.x, 0 is black and 1 is white
Perceived brightness164.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.34:1
Contrast with white2.25:1WCAG normal text: Fail
Contrast with black9.34:1WCAG normal text: AAA
Greyscale equivalent#9D9D9D
Inverted#E04416

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A1B7EBno red cones; affects about 1% of men; ΔE 27.2 from the original
Deuteranopia#88A5E8no green cones; the most common form, about 1% of men; ΔE 29.2 from the original
Tritanopia#00C9CAno blue cones; rare, and affects men and women equally; ΔE 27.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.25:1WCAG large text: Fail
Contrast with black, large text9.34:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 10.2Light skyblue · ΔE 15.3Sky blue · ΔE 16.6Steel blue · ΔE 25.6Dark turquoise · ΔE 27.3Cadetblue · ΔE 27.9
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 10.17, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E94D1F
Analogous#1FE9B2, #1F56E9
Triadic#E91FBB, #BBE91F
Split complementary#E91F56, #E9B21F
Tetradic#B21FE9, #E94D1F, #56E91F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D9F3FB
Lighter +30%#AAE5F7
Lighter +20%#7CD7F2
Lighter +10%#4DC9EE
Darker −10%#139AC2
Darker −20%#0E7594
Darker −30%#0A5065
Darker −40%#052B37
More saturated +25%#09C7FF
Less saturated −25%#3EAACA

Channel breakdown

R31
G187
B233
Red31 (12.2%)
Green187 (73.3%)
Blue233 (91.4%)
Hue193.66°
Saturation (HSL)82.11%
Lightness51.76%
Dominant channelBlue
Hex per channelR 1F · G BB · B E9

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Every value on this page was computed from “1fbbe9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.