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Colour

#00BBEF

  • #00BBEF
  • Cyan
  • Dark
  • Nearest: Deep skyblue

#00BBEF is a cyan with RGB values 0, 187, 239 and HSL 193°, 100%, 47%. It is a dark colour, so black text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#00BBEF#00BBEF
HEX#00BBEF
RGBrgb(0, 187, 239)
RGB (0–1)0, 0.7333, 0.9373
RGB percentages0%, 73.3%, 93.7%
HSLhsl(193.1, 100%, 46.9%)
HSV / HSBhsv(193.1, 100%, 93.7%)
CMYK100%, 21.8%, 0%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer48,111
CSS custom property--colour: #00BBEF;

Brightness & contrast

Relative luminance0.41773WCAG 2.x, 0 is black and 1 is white
Perceived brightness164.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.35:1
Contrast with white2.24:1WCAG normal text: Fail
Contrast with black9.35:1WCAG normal text: AAA
Greyscale equivalent#979797
Inverted#FF4410

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9FB7F2no red cones; affects about 1% of men; ΔE 27.4 from the original
Deuteranopia#84A5EEno green cones; the most common form, about 1% of men; ΔE 29 from the original
Tritanopia#00CACCno blue cones; rare, and affects men and women equally; ΔE 30.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.24:1WCAG large text: Fail
Contrast with black, large text9.35:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 7Light skyblue · ΔE 16Sky blue · ΔE 18.7Steel blue · ΔE 25.4Light blue · ΔE 30.3Light steelblue · ΔE 30.3
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 6.98, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EF3400
Analogous#00EFAC, #0043EF
Triadic#EF00BB, #BBEF00
Split complementary#EF0043, #EFAC00
Tetradic#AC00EF, #EF3400, #43EF00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BCF0FF
Lighter +30%#89E5FF
Lighter +20%#56DAFF
Lighter +10%#23CFFF
Darker −10%#0093BC
Darker −20%#006B89
Darker −30%#004356
Darker −40%#001B23
More saturated +25%#00BBEF
Less saturated −25%#1EAAD1

Channel breakdown

R0
G187
B239
Red0 (0%)
Green187 (73.3%)
Blue239 (93.7%)
Hue193.05°
Saturation (HSL)100%
Lightness46.86%
Dominant channelBlue
Hex per channelR 00 · G BB · B EF

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Every value on this page was computed from “00bbef” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.