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Recognised as Colour

#01AACC

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

#01AACC is a cyan with RGB values 1, 170, 204 and HSL 190°, 99%, 40%. It is a dark colour, so black text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#01AACC#01AACC
HEX#01AACC
RGBrgb(1, 170, 204)
RGB (0–1)0.0039, 0.6667, 0.8
RGB percentages0.4%, 66.7%, 80%
HSLhsl(190, 99%, 40.2%)
HSV / HSBhsv(190, 99.5%, 80%)
CMYK99.5%, 16.7%, 0%, 20%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer109,260
CSS custom property--colour: #01AACC;

Brightness & contrast

Relative luminance0.33116WCAG 2.x, 0 is black and 1 is white
Perceived brightness147.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.62:1
Contrast with white2.75:1WCAG normal text: Fail
Contrast with black7.62:1WCAG normal text: AAA
Greyscale equivalent#898989
Inverted#FE5533

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#95A5CEno red cones; affects about 1% of men; ΔE 28.7 from the original
Deuteranopia#7E95CCno green cones; the most common form, about 1% of men; ΔE 30.2 from the original
Tritanopia#00B5B5no blue cones; rare, and affects men and women equally; ΔE 21.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.75:1WCAG large text: Fail
Contrast with black, large text7.62:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 18.4Sky blue · ΔE 18.8Light skyblue · ΔE 20.6Cadetblue · ΔE 20.9Dark cyan · ΔE 23Dark turquoise · ΔE 23.8
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 18.39, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CC2301
Analogous#01CC89, #0144CC
Triadic#CC01AA, #AACC01
Split complementary#CC0144, #CC8801
Tetradic#8901CC, #CC2301, #45CC01

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9AEEFF
Lighter +30%#68E5FE
Lighter +20%#35DCFE
Lighter +10%#02D4FE
Darker −10%#018099
Darker −20%#015566
Darker −30%#002B34
Darker −40%#000101
More saturated +25%#00ABCD
Less saturated −25%#1B99B2

Channel breakdown

R1
G170
B204
Red1 (0.4%)
Green170 (66.7%)
Blue204 (80%)
Hue190.05°
Saturation (HSL)99.02%
Lightness40.2%
Dominant channelBlue
Hex per channelR 01 · G AA · B CC

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