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Colour

#04C4FF

  • #04C4FF
  • Cyan
  • Dark
  • Nearest: Deep skyblue

#04C4FF is a cyan with RGB values 4, 196, 255 and HSL 194°, 100%, 51%. It is a dark colour, so black text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#04C4FF#04C4FF
HEX#04C4FF
RGBrgb(4, 196, 255)
RGB (0–1)0.0157, 0.7686, 1
RGB percentages1.6%, 76.9%, 100%
HSLhsl(194.1, 100%, 50.8%)
HSV / HSBhsv(194.1, 98.4%, 100%)
CMYK98.4%, 23.1%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer312,575
CSS custom property--colour: #04C4FF;

Brightness & contrast

Relative luminance0.46726WCAG 2.x, 0 is black and 1 is white
Perceived brightness173.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.35:1
Contrast with white2.03:1WCAG normal text: Fail
Contrast with black10.35:1WCAG normal text: AAA
Greyscale equivalent#9F9F9F
Inverted#FB3B00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A5C1FFno red cones; affects about 1% of men; ΔE 26.4 from the original
Deuteranopia#88ADFEno green cones; the most common form, about 1% of men; ΔE 29.1 from the original
Tritanopia#00D4D8no blue cones; rare, and affects men and women equally; ΔE 33.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.03:1WCAG large text: Fail
Contrast with black, large text10.35:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 3.7Light skyblue · ΔE 16.1Sky blue · ΔE 20.4Steel blue · ΔE 28.1Light steelblue · ΔE 31.7Light blue · ΔE 31.8
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 3.7, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF3F04
Analogous#04FFBD, #0446FF
Triadic#FF04C4, #C4FF04
Split complementary#FF0446, #FFBC04
Tetradic#BD04FF, #FF3F04, #47FF04

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D0F4FF
Lighter +30%#9DE8FF
Lighter +20%#6ADCFF
Lighter +10%#37D0FF
Darker −10%#009FD0
Darker −20%#00789D
Darker −30%#00516A
Darker −40%#002A37
More saturated +25%#04C4FF
Less saturated −25%#23B3E0

Channel breakdown

R4
G196
B255
Red4 (1.6%)
Green196 (76.9%)
Blue255 (100%)
Hue194.1°
Saturation (HSL)100%
Lightness50.78%
Dominant channelBlue
Hex per channelR 04 · G C4 · B FF

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Every value on this page was computed from “04c4ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.