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Recognised as Colour

#2DA9FF

  • #2DA9FF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#2DA9FF is a blue with RGB values 45, 169, 255 and HSL 205°, 100%, 59%. It is a dark colour, so black text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#2DA9FF#2DA9FF
HEX#2DA9FF
RGBrgb(45, 169, 255)
RGB (0–1)0.1765, 0.6627, 1
RGB percentages17.6%, 66.3%, 100%
HSLhsl(204.6, 100%, 58.8%)
HSV / HSBhsv(204.6, 82.4%, 100%)
CMYK82.4%, 33.7%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,992,639
CSS custom property--colour: #2DA9FF;

Brightness & contrast

Relative luminance0.36154WCAG 2.x, 0 is black and 1 is white
Perceived brightness157.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.23:1
Contrast with white2.55:1WCAG normal text: Fail
Contrast with black8.23:1WCAG normal text: AAA
Greyscale equivalent#959595
Inverted#D25600

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#80ACFFno red cones; affects about 1% of men; ΔE 13.3 from the original
Deuteranopia#629AFDno green cones; the most common form, about 1% of men; ΔE 15.4 from the original
Tritanopia#00BEC8no blue cones; rare, and affects men and women equally; ΔE 47.8 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 text8.23:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 14Deep skyblue · ΔE 17.8Dodgerblue · ΔE 19.3Steel blue · ΔE 24.2Light skyblue · ΔE 27.7Sky blue · ΔE 34.9
Nearest named CSS colourCornflower blue (#6495ED)ΔE 14.04, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF832D
Analogous#2DFFEC, #2D40FF
Triadic#FF2DA9, #A9FF2D
Split complementary#FF2D40, #FFEC2D
Tetradic#EC2DFF, #FF832D, #40FF2D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F9FDFF
Lighter +30%#C6E8FF
Lighter +20%#93D3FF
Lighter +10%#60BEFF
Darker −10%#0093F9
Darker −20%#0075C6
Darker −30%#005793
Darker −40%#003960
More saturated +25%#2DA9FF
Less saturated −25%#47A4E5

Channel breakdown

R45
G169
B255
Red45 (17.6%)
Green169 (66.3%)
Blue255 (100%)
Hue204.57°
Saturation (HSL)100%
Lightness58.82%
Dominant channelBlue
Hex per channelR 2D · G A9 · B FF

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Every value on this page was computed from “2da9ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.