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Recognised as Colour

#3AB5DF

  • #3AB5DF
  • Cyan
  • Dark
  • Nearest: Deep skyblue

#3AB5DF is a cyan with RGB values 58, 181, 223 and HSL 195°, 72%, 55%. It is a dark colour, so black text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#3AB5DF#3AB5DF
HEX#3AB5DF
RGBrgb(58, 181, 223)
RGB (0–1)0.2275, 0.7098, 0.8745
RGB percentages22.7%, 71%, 87.5%
HSLhsl(195.3, 72.1%, 55.1%)
HSV / HSBhsv(195.3, 74%, 87.5%)
CMYK74%, 18.8%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,847,647
CSS custom property--colour: #3AB5DF;

Brightness & contrast

Relative luminance0.39275WCAG 2.x, 0 is black and 1 is white
Perceived brightness161 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.86:1
Contrast with white2.37:1WCAG normal text: Fail
Contrast with black8.86:1WCAG normal text: AAA
Greyscale equivalent#9E9E9E
Inverted#C54A20

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9EB1E1no red cones; affects about 1% of men; ΔE 24.8 from the original
Deuteranopia#88A1DFno green cones; the most common form, about 1% of men; ΔE 26.8 from the original
Tritanopia#00C1C3no blue cones; rare, and affects men and women equally; ΔE 26.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.37:1WCAG large text: Fail
Contrast with black, large text8.86:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 12.5Light skyblue · ΔE 14.2Sky blue · ΔE 14.8Steel blue · ΔE 22.8Cadetblue · ΔE 24.6Light blue · ΔE 25.9
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 12.54, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DF643A
Analogous#3ADFB6, #3A63DF
Triadic#DF3AB5, #B5DF3A
Split complementary#DF3A63, #DFB63A
Tetradic#B63ADF, #DF643A, #63DF3A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E9F7FC
Lighter +30%#BEE6F4
Lighter +20%#92D6ED
Lighter +10%#66C5E6
Darker −10%#209CC6
Darker −20%#19799A
Darker −30%#12576E
Darker −40%#0B3442
More saturated +25%#1DC3FC
Less saturated −25%#57A7C2

Channel breakdown

R58
G181
B223
Red58 (22.7%)
Green181 (71%)
Blue223 (87.5%)
Hue195.27°
Saturation (HSL)72.05%
Lightness55.1%
Dominant channelBlue
Hex per channelR 3A · G B5 · B DF

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Every value on this page was computed from “3ab5df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.