Recognised as Colour

#0221B5

#0221B5
Blue
Dark
Nearest: Dark blue

#0221B5 is a blue with RGB values 2, 33, 181 and HSL 230°, 98%, 36%. It is a dark colour, so white text on it reaches 11.1:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#0221B5#0221B5

HEX#0221B5

RGBrgb(2, 33, 181)

RGB (0–1)0.0078, 0.1294, 0.7098

RGB percentages0.8%, 12.9%, 71%

HSLhsl(229.6, 97.8%, 35.9%)

HSV / HSBhsv(229.6, 98.9%, 71%)

CMYK98.9%, 81.8%, 0%, 29%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer139,701

CSS custom property--colour: #0221B5;

Brightness & contrast

Relative luminance0.04437WCAG 2.x, 0 is black and 1 is white

Perceived brightness66.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.13:1

Contrast with white11.13:1WCAG normal text: AAA

Contrast with black1.89:1WCAG normal text: Fail

Greyscale equivalent#252525

Inverted#FDDE4A

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0044B9no red cones; affects about 1% of men; ΔE 24.2 from the original

Deuteranopia#0032B3no green cones; the most common form, about 1% of men; ΔE 12.7 from the original

Tritanopia#00516Cno blue cones; rare, and affects men and women equally; ΔE 82.6 from the original

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

Contrast with white, large text11.13:1WCAG large text: AAA

Contrast with black, large text1.89:1WCAG large text: Fail

Named colours

Dark blue · ΔE 13.4 Navy · ΔE 17.6 Medium blue · ΔE 22.3 Indigo · ΔE 24.3 Blue violet · ΔE 26.2 Dark orchid · ΔE 29.2

Nearest named CSS colourDark blue (#00008B)ΔE 13.36, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#B59602

Analogous#027BB5, #3C02B5

Triadic#B50221, #21B502

Split complementary#B53C02, #7BB502

Tetradic#B5027B, #B59602, #02B53C

Tints, shades & saturation

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

Lighter +40%#859AFE

Lighter +30%#5370FD

Lighter +20%#2047FD

Lighter +10%#032AE7

Darker −10%#011883

Darker −20%#010F50

Darker −30%#00051E

Darker −40%#000000

More saturated +25%#0020B7

Less saturated −25%#19309E

Channel breakdown

G33

B181

Red2 (0.8%)

Green33 (12.9%)

Blue181 (71%)

Hue229.61°

Saturation (HSL)97.81%

Lightness35.88%

Dominant channelBlue

Hex per channelR 02 · G 21 · B B5

Keep nerding

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

#0221B5

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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