Colour

#021530

#021530
Blue
Dark
Nearest: Black

#021530 is a blue with RGB values 2, 21, 48 and HSL 215°, 92%, 10%. It is a dark colour, so white text on it reaches 18.2:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#021530#021530

HEX#021530

RGBrgb(2, 21, 48)

RGB (0–1)0.0078, 0.0824, 0.1882

RGB percentages0.8%, 8.2%, 18.8%

HSLhsl(215.2, 92%, 9.8%)

HSV / HSBhsv(215.2, 95.8%, 18.8%)

CMYK95.8%, 56.2%, 0%, 81.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer136,496

CSS custom property--colour: #021530;

Brightness & contrast

Relative luminance0.00763WCAG 2.x, 0 is black and 1 is white

Perceived brightness22.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.22:1

Contrast with white18.22:1WCAG normal text: AAA

Contrast with black1.15:1WCAG normal text: Fail

Greyscale equivalent#131313

Inverted#FDEACF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#061831no red cones; affects about 1% of men; ΔE 2.1 from the original

Deuteranopia#00132Fno green cones; the most common form, about 1% of men; ΔE 1 from the original

Tritanopia#001C20no blue cones; rare, and affects men and women equally; ΔE 19.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.22:1WCAG large text: AAA

Contrast with black, large text1.15:1WCAG large text: Fail

Named colours

Black · ΔE 21.8 Dark slate grey · ΔE 33.5 Dark slateblue · ΔE 39.1 Midnight blue · ΔE 41.2 Dim grey · ΔE 42.8 Slate grey · ΔE 47.4

Nearest named CSS colourBlack (#000000)ΔE 21.8, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#301D02

Analogous#022C30, #060230

Triadic#300215, #153002

Split complementary#300602, #2C3002

Tetradic#30022C, #301D02, #023006

Tints, shades & saturation

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

Lighter +40%#0A6BF4

Lighter +30%#0855C3

Lighter +20%#064092

Lighter +10%#042A61

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#001532

Less saturated −25%#08162A

Channel breakdown

G21

B48

Red2 (0.8%)

Green21 (8.2%)

Blue48 (18.8%)

Hue215.22°

Saturation (HSL)92%

Lightness9.8%

Dominant channelBlue

Hex per channelR 02 · G 15 · B 30

Keep nerding

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

#021530

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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