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Recognised as Colour

#2DB5DF

  • #2DB5DF
  • Cyan
  • Dark
  • Nearest: Deep skyblue

#2DB5DF is a cyan with RGB values 45, 181, 223 and HSL 194°, 74%, 53%. It is a dark colour, so black text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#2DB5DF#2DB5DF
HEX#2DB5DF
RGBrgb(45, 181, 223)
RGB (0–1)0.1765, 0.7098, 0.8745
RGB percentages17.6%, 71%, 87.5%
HSLhsl(194.2, 73.6%, 52.5%)
HSV / HSBhsv(194.2, 79.8%, 87.5%)
CMYK79.8%, 18.8%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,995,679
CSS custom property--colour: #2DB5DF;

Brightness & contrast

Relative luminance0.38933WCAG 2.x, 0 is black and 1 is white
Perceived brightness159.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.79:1
Contrast with white2.39:1WCAG normal text: Fail
Contrast with black8.79:1WCAG normal text: AAA
Greyscale equivalent#9B9B9B
Inverted#D24A20

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9DB1E1no red cones; affects about 1% of men; ΔE 25.9 from the original
Deuteranopia#86A0DFno green cones; the most common form, about 1% of men; ΔE 28.2 from the original
Tritanopia#00C2C3no 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 text2.39:1WCAG large text: Fail
Contrast with black, large text8.79:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 12.6Light skyblue · ΔE 15.4Sky blue · ΔE 15.7Steel blue · ΔE 23.6Cadetblue · ΔE 24.9Dark turquoise · ΔE 26.6
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 12.56, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DF572D
Analogous#2DDFB0, #2D5CDF
Triadic#DF2DB5, #B5DF2D
Split complementary#DF2D5C, #DFB02D
Tetradic#B02DDF, #DF572D, #5CDF2D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DEF3FA
Lighter +30%#B2E4F3
Lighter +20%#86D4EC
Lighter +10%#59C5E6
Darker −10%#1D97BC
Darker −20%#167390
Darker −30%#0F5064
Darker −40%#082C38
More saturated +25%#0FC5FD
Less saturated −25%#4BA5C1

Channel breakdown

R45
G181
B223
Red45 (17.6%)
Green181 (71%)
Blue223 (87.5%)
Hue194.16°
Saturation (HSL)73.55%
Lightness52.55%
Dominant channelBlue
Hex per channelR 2D · G B5 · B DF

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Every value on this page was computed from “2db5df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.