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Recognised as Colour

#04A8C7

  • #04A8C7
  • Cyan
  • Dark
  • Nearest: Sky blue

#04A8C7 is a cyan with RGB values 4, 168, 199 and HSL 190°, 96%, 40%. It is a dark colour, so black text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#04A8C7#04A8C7
HEX#04A8C7
RGBrgb(4, 168, 199)
RGB (0–1)0.0157, 0.6588, 0.7804
RGB percentages1.6%, 65.9%, 78%
HSLhsl(189.5, 96.1%, 39.8%)
HSV / HSBhsv(189.5, 98%, 78%)
CMYK98%, 15.6%, 0%, 22%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer305,351
CSS custom property--colour: #04A8C7;

Brightness & contrast

Relative luminance0.32155WCAG 2.x, 0 is black and 1 is white
Perceived brightness145.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.43:1
Contrast with white2.83:1WCAG normal text: Fail
Contrast with black7.43:1WCAG normal text: AAA
Greyscale equivalent#878787
Inverted#FB5738

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#94A3C9no red cones; affects about 1% of men; ΔE 28.8 from the original
Deuteranopia#7E93C7no green cones; the most common form, about 1% of men; ΔE 30.6 from the original
Tritanopia#00B3B2no blue cones; rare, and affects men and women equally; ΔE 20 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.83:1WCAG large text: Fail
Contrast with black, large text7.43:1WCAG large text: AAA

Named colours

Sky blue · ΔE 19.3Cadetblue · ΔE 19.4Deep skyblue · ΔE 20.2Dark cyan · ΔE 21.2Light skyblue · ΔE 21.7Dark turquoise · ΔE 22.9
Nearest named CSS colourSky blue (#87CEEB)ΔE 19.29, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C72304
Analogous#04C785, #0446C7
Triadic#C704A8, #A8C704
Split complementary#C70446, #C78504
Tetradic#8504C7, #C72304, #46C704

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9AEDFD
Lighter +30%#68E4FC
Lighter +20%#36DCFB
Lighter +10%#05D2F9
Darker −10%#037E95
Darker −20%#025463
Darker −30%#012931
Darker −40%#000000
More saturated +25%#00ABCB
Less saturated −25%#1D97AE

Channel breakdown

R4
G168
B199
Red4 (1.6%)
Green168 (65.9%)
Blue199 (78%)
Hue189.54°
Saturation (HSL)96.06%
Lightness39.8%
Dominant channelBlue
Hex per channelR 04 · G A8 · B C7

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Every value on this page was computed from “04a8c7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.