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Recognised as Colour

#01ACF5

  • #01ACF5
  • Cyan
  • Dark
  • Nearest: Deep skyblue

#01ACF5 is a cyan with RGB values 1, 172, 245 and HSL 198°, 99%, 48%. It is a dark colour, so black text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#01ACF5#01ACF5
HEX#01ACF5
RGBrgb(1, 172, 245)
RGB (0–1)0.0039, 0.6745, 0.9608
RGB percentages0.4%, 67.5%, 96.1%
HSLhsl(198, 99.2%, 48.2%)
HSV / HSBhsv(198, 99.6%, 96.1%)
CMYK99.6%, 29.8%, 0%, 3.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer109,813
CSS custom property--colour: #01ACF5;

Brightness & contrast

Relative luminance0.36104WCAG 2.x, 0 is black and 1 is white
Perceived brightness155.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.22:1
Contrast with white2.55:1WCAG normal text: Fail
Contrast with black8.22:1WCAG normal text: AAA
Greyscale equivalent#8D8D8D
Inverted#FE530A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#88ACF8no red cones; affects about 1% of men; ΔE 19.4 from the original
Deuteranopia#6B99F4no green cones; the most common form, about 1% of men; ΔE 22.1 from the original
Tritanopia#00BFC6no blue cones; rare, and affects men and women equally; ΔE 40.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.55:1WCAG large text: Fail
Contrast with black, large text8.22:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 9.8Cornflower blue · ΔE 21Steel blue · ΔE 21.2Light skyblue · ΔE 22.2Dodgerblue · ΔE 27.9Sky blue · ΔE 28.4
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 9.78, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F54A01
Analogous#01F5C4, #0132F5
Triadic#F501AC, #ACF501
Split complementary#F50132, #F5C401
Tetradic#C401F5, #F54A01, #32F501

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C3EDFF
Lighter +30%#90DEFF
Lighter +20%#5ECEFE
Lighter +10%#2BBFFE
Darker −10%#0188C2
Darker −20%#01658F
Darker −30%#00415D
Darker −40%#001D2A
More saturated +25%#00ACF6
Less saturated −25%#20A0D6

Channel breakdown

R1
G172
B245
Red1 (0.4%)
Green172 (67.5%)
Blue245 (96.1%)
Hue197.95°
Saturation (HSL)99.19%
Lightness48.24%
Dominant channelBlue
Hex per channelR 01 · G AC · B F5

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Every value on this page was computed from “01acf5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.