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Recognised as Colour

#2DA3F9

  • #2DA3F9
  • Blue
  • Dark
  • Nearest: Cornflower blue

#2DA3F9 is a blue with RGB values 45, 163, 249 and HSL 205°, 94%, 58%. It is a dark colour, so black text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#2DA3F9#2DA3F9
HEX#2DA3F9
RGBrgb(45, 163, 249)
RGB (0–1)0.1765, 0.6392, 0.9765
RGB percentages17.6%, 63.9%, 97.6%
HSLhsl(205.3, 94.4%, 57.6%)
HSV / HSBhsv(205.3, 81.9%, 97.6%)
CMYK81.9%, 34.5%, 0%, 2.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,991,097
CSS custom property--colour: #2DA3F9;

Brightness & contrast

Relative luminance0.33592WCAG 2.x, 0 is black and 1 is white
Perceived brightness152.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.72:1
Contrast with white2.72:1WCAG normal text: Fail
Contrast with black7.72:1WCAG normal text: AAA
Greyscale equivalent#909090
Inverted#D25C06

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7AA7FDno red cones; affects about 1% of men; ΔE 12.4 from the original
Deuteranopia#5D95F7no green cones; the most common form, about 1% of men; ΔE 14.2 from the original
Tritanopia#00B8C2no blue cones; rare, and affects men and women equally; ΔE 48.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.72:1WCAG large text: Fail
Contrast with black, large text7.72:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 12.3Dodgerblue · ΔE 17.8Deep skyblue · ΔE 19.5Steel blue · ΔE 23.1Light skyblue · ΔE 28.9Royal blue · ΔE 35.9
Nearest named CSS colourCornflower blue (#6495ED)ΔE 12.27, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F9832D
Analogous#2DF9E9, #2D3DF9
Triadic#F92DA3, #A3F92D
Split complementary#F92D3D, #F9E92D
Tetradic#E92DF9, #F9832D, #3DF92D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F3FAFF
Lighter +30%#C2E4FD
Lighter +20%#90CEFC
Lighter +10%#5FB9FA
Darker −10%#078CEC
Darker −20%#056EBB
Darker −30%#045189
Darker −40%#033457
More saturated +25%#27A4FF
Less saturated −25%#489FDE

Channel breakdown

R45
G163
B249
Red45 (17.6%)
Green163 (63.9%)
Blue249 (97.6%)
Hue205.29°
Saturation (HSL)94.44%
Lightness57.65%
Dominant channelBlue
Hex per channelR 2D · G A3 · B F9

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Every value on this page was computed from “2da3f9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.