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Colour

#04A1EC

  • #04A1EC
  • Cyan
  • Dark
  • Nearest: Deep skyblue

#04A1EC is a cyan with RGB values 4, 161, 236 and HSL 199°, 97%, 47%. It is a dark colour, so black text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#04A1EC#04A1EC
HEX#04A1EC
RGBrgb(4, 161, 236)
RGB (0–1)0.0157, 0.6314, 0.9255
RGB percentages1.6%, 63.1%, 92.5%
HSLhsl(199.4, 96.7%, 47.1%)
HSV / HSBhsv(199.4, 98.3%, 92.5%)
CMYK98.3%, 31.8%, 0%, 7.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer303,596
CSS custom property--colour: #04A1EC;

Brightness & contrast

Relative luminance0.31572WCAG 2.x, 0 is black and 1 is white
Perceived brightness146.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.31:1
Contrast with white2.87:1WCAG normal text: Fail
Contrast with black7.31:1WCAG normal text: AAA
Greyscale equivalent#858585
Inverted#FB5E13

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7DA2EFno red cones; affects about 1% of men; ΔE 17 from the original
Deuteranopia#6090EBno green cones; the most common form, about 1% of men; ΔE 19.4 from the original
Tritanopia#00B4BCno blue cones; rare, and affects men and women equally; ΔE 41.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.87:1WCAG large text: Fail
Contrast with black, large text7.31:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 14.3Cornflower blue · ΔE 17.5Steel blue · ΔE 18.8Dodgerblue · ΔE 24.5Light skyblue · ΔE 25.3Sky blue · ΔE 31.3
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 14.35, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EC4F04
Analogous#04ECC3, #042DEC
Triadic#EC04A1, #A1EC04
Split complementary#EC042D, #ECC304
Tetradic#C304EC, #EC4F04, #2DEC04

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BEE9FE
Lighter +30%#8CD8FD
Lighter +20%#5AC8FC
Lighter +10%#28B7FB
Darker −10%#037FBA
Darker −20%#025D88
Darker −30%#013A56
Darker −40%#011823
More saturated +25%#00A2F0
Less saturated −25%#2296CE

Channel breakdown

R4
G161
B236
Red4 (1.6%)
Green161 (63.1%)
Blue236 (92.5%)
Hue199.4°
Saturation (HSL)96.67%
Lightness47.06%
Dominant channelBlue
Hex per channelR 04 · G A1 · B EC

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Every value on this page was computed from “04a1ec” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.