Colour

#2590FD

#2590FD
Blue
Dark
Nearest: Dodgerblue

#2590FD is a blue with RGB values 37, 144, 253 and HSL 210°, 98%, 57%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#2590FD#2590FD

HEX#2590FD

RGBrgb(37, 144, 253)

RGB (0–1)0.1451, 0.5647, 0.9922

RGB percentages14.5%, 56.5%, 99.2%

HSLhsl(210.3, 98.2%, 56.9%)

HSV / HSBhsv(210.3, 85.4%, 99.2%)

CMYK85.4%, 43.1%, 0%, 0.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,461,949

CSS custom property--colour: #2590FD;

Brightness & contrast

Relative luminance0.27432WCAG 2.x, 0 is black and 1 is white

Perceived brightness141 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.49:1

Contrast with white3.24:1WCAG normal text: Fail

Contrast with black6.49:1WCAG normal text: AA

Greyscale equivalent#818181

Inverted#DA6F02

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5799FFno red cones; affects about 1% of men; ΔE 6.8 from the original

Deuteranopia#2A86FBno green cones; the most common form, about 1% of men; ΔE 7.2 from the original

Tritanopia#00AABAno blue cones; rare, and affects men and women equally; ΔE 59.4 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text3.24:1WCAG large text: AA

Contrast with black, large text6.49:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 1.1 Cornflower blue · ΔE 13.3 Royal blue · ΔE 20.5 Medium purple · ΔE 30.1 Slate blue · ΔE 30.2 Medium slateblue · ΔE 32.4

Nearest named CSS colourDodgerblue (#1E90FF)ΔE 1.13, below the just-noticeable difference

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#FD9225

Analogous#25FCFD, #2625FD

Triadic#FD2590, #90FD25

Split complementary#FD2625, #FCFD25

Tetradic#FD25FC, #FD9225, #25FD26

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#EFF7FF

Lighter +30%#BDDDFE

Lighter +20%#8AC3FE

Lighter +10%#58AAFD

Darker −10%#0276ED

Darker −20%#025DBA

Darker −30%#014488

Darker −40%#012B55

More saturated +25%#2390FF

Less saturated −25%#4190E2

Channel breakdown

R37

G144

B253

Red37 (14.5%)

Green144 (56.5%)

Blue253 (99.2%)

Hue210.28°

Saturation (HSL)98.18%

Lightness56.86%

Dominant channelBlue

Hex per channelR 25 · G 90 · B FD

Keep nerding

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#2590FD

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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