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Recognised as Colour

#3DB1DF

  • #3DB1DF
  • Cyan
  • Dark
  • Nearest: Deep skyblue

#3DB1DF is a cyan with RGB values 61, 177, 223 and HSL 197°, 72%, 56%. It is a dark colour, so black text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#3DB1DF#3DB1DF
HEX#3DB1DF
RGBrgb(61, 177, 223)
RGB (0–1)0.2392, 0.6941, 0.8745
RGB percentages23.9%, 69.4%, 87.5%
HSLhsl(197, 71.7%, 55.7%)
HSV / HSBhsv(197, 72.6%, 87.5%)
CMYK72.6%, 20.6%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,043,231
CSS custom property--colour: #3DB1DF;

Brightness & contrast

Relative luminance0.37764WCAG 2.x, 0 is black and 1 is white
Perceived brightness158.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.55:1
Contrast with white2.46:1WCAG normal text: Fail
Contrast with black8.55:1WCAG normal text: AAA
Greyscale equivalent#9C9C9C
Inverted#C24E20

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#99AEE1no red cones; affects about 1% of men; ΔE 22.6 from the original
Deuteranopia#839EDEno green cones; the most common form, about 1% of men; ΔE 24.4 from the original
Tritanopia#00BEC0no blue cones; rare, and affects men and women equally; ΔE 28.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.46:1WCAG large text: Fail
Contrast with black, large text8.55:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 11.2Light skyblue · ΔE 14.1Sky blue · ΔE 16.1Steel blue · ΔE 20.3Light steelblue · ΔE 25.8Cadetblue · ΔE 26
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 11.16, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DF6B3D
Analogous#3DDFBC, #3D60DF
Triadic#DF3DB1, #B1DF3D
Split complementary#DF3D60, #DFBC3D
Tetradic#BC3DDF, #DF6B3D, #60DF3D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ECF7FC
Lighter +30%#C0E6F5
Lighter +20%#95D4ED
Lighter +10%#69C3E6
Darker −10%#2199C8
Darker −20%#1A779C
Darker −30%#135670
Darker −40%#0B3445
More saturated +25%#21BDFB
Less saturated −25%#59A5C3

Channel breakdown

R61
G177
B223
Red61 (23.9%)
Green177 (69.4%)
Blue223 (87.5%)
Hue197.04°
Saturation (HSL)71.68%
Lightness55.69%
Dominant channelBlue
Hex per channelR 3D · G B1 · B DF

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Every value on this page was computed from “3db1df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.