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Colour

#04BDFF

  • #04BDFF
  • Cyan
  • Dark
  • Nearest: Deep skyblue

#04BDFF is a cyan with RGB values 4, 189, 255 and HSL 196°, 100%, 51%. It is a dark colour, so black text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#04BDFF#04BDFF
HEX#04BDFF
RGBrgb(4, 189, 255)
RGB (0–1)0.0157, 0.7412, 1
RGB percentages1.6%, 74.1%, 100%
HSLhsl(195.8, 100%, 50.8%)
HSV / HSBhsv(195.8, 98.4%, 100%)
CMYK98.4%, 25.9%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer310,783
CSS custom property--colour: #04BDFF;

Brightness & contrast

Relative luminance0.43641WCAG 2.x, 0 is black and 1 is white
Perceived brightness168.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.73:1
Contrast with white2.16:1WCAG normal text: Fail
Contrast with black9.73:1WCAG normal text: AAA
Greyscale equivalent#9A9A9A
Inverted#FB4200

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9CBBFFno red cones; affects about 1% of men; ΔE 23.7 from the original
Deuteranopia#7FA8FEno green cones; the most common form, about 1% of men; ΔE 26.2 from the original
Tritanopia#00CFD4no blue cones; rare, and affects men and women equally; ΔE 37.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.16:1WCAG large text: Fail
Contrast with black, large text9.73:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 1.5Light skyblue · ΔE 17.7Sky blue · ΔE 23.3Steel blue · ΔE 25.7Cornflower blue · ΔE 28.3Light steelblue · ΔE 32.7
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 1.55, below the just-noticeable difference
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF4604
Analogous#04FFC3, #0440FF
Triadic#FF04BD, #BDFF04
Split complementary#FF0440, #FFC304
Tetradic#C304FF, #FF4604, #40FF04

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D0F3FF
Lighter +30%#9DE5FF
Lighter +20%#6AD8FF
Lighter +10%#37CAFF
Darker −10%#0099D0
Darker −20%#00749D
Darker −30%#004E6A
Darker −40%#002937
More saturated +25%#04BDFF
Less saturated −25%#23AEE0

Channel breakdown

R4
G189
B255
Red4 (1.6%)
Green189 (74.1%)
Blue255 (100%)
Hue195.78°
Saturation (HSL)100%
Lightness50.78%
Dominant channelBlue
Hex per channelR 04 · G BD · B FF

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Every value on this page was computed from “04bdff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.