Colour

#02509F

#02509F
Blue
Dark
Nearest: Dark slateblue

#02509F is a blue with RGB values 2, 80, 159 and HSL 210°, 98%, 32%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#02509F#02509F

HEX#02509F

RGBrgb(2, 80, 159)

RGB (0–1)0.0078, 0.3137, 0.6235

RGB percentages0.8%, 31.4%, 62.4%

HSLhsl(210.2, 97.5%, 31.6%)

HSV / HSBhsv(210.2, 98.7%, 62.4%)

CMYK98.7%, 49.7%, 0%, 37.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer151,711

CSS custom property--colour: #02509F;

Brightness & contrast

Relative luminance0.08253WCAG 2.x, 0 is black and 1 is white

Perceived brightness81.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.92:1

Contrast with white7.92:1WCAG normal text: AAA

Contrast with black2.65:1WCAG normal text: Fail

Greyscale equivalent#454545

Inverted#FDAF60

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1F58A2no red cones; affects about 1% of men; ΔE 5 from the original

Deuteranopia#004B9Dno green cones; the most common form, about 1% of men; ΔE 3.3 from the original

Tritanopia#006370no blue cones; rare, and affects men and women equally; ΔE 46.2 from the original

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

Contrast with white, large text7.92:1WCAG large text: AAA

Contrast with black, large text2.65:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 16.3 Royal blue · ΔE 26 Cornflower blue · ΔE 27.5 Midnight blue · ΔE 27.5 Slate blue · ΔE 28.4 Steel blue · ΔE 28.8

Nearest named CSS colourDark slateblue (#483D8B)ΔE 16.35, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#9F5102

Analogous#029F9F, #02029F

Triadic#9F0250, #509F02

Split complementary#9F0302, #9E9F02

Tetradic#9F029F, #9F5102, #029F03

Tints, shades & saturation

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

Lighter +40%#70B6FD

Lighter +30%#3D9CFD

Lighter +20%#0B83FC

Lighter +10%#0369D1

Darker −10%#01376D

Darker −20%#011D3A

Darker −30%#000408

Darker −40%#000000

More saturated +25%#0050A1

Less saturated −25%#16508B

Channel breakdown

G80

B159

Red2 (0.8%)

Green80 (31.4%)

Blue159 (62.4%)

Hue210.19°

Saturation (HSL)97.52%

Lightness31.57%

Dominant channelBlue

Hex per channelR 02 · G 50 · B 9F

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#02509F

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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