Recognised as Colour

#021BB8

#021BB8
Blue
Dark
Nearest: Dark blue

#021BB8 is a blue with RGB values 2, 27, 184 and HSL 232°, 98%, 36%. It is a dark colour, so white text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#021BB8#021BB8

HEX#021BB8

RGBrgb(2, 27, 184)

RGB (0–1)0.0078, 0.1059, 0.7216

RGB percentages0.8%, 10.6%, 72.2%

HSLhsl(231.8, 97.8%, 36.5%)

HSV / HSBhsv(231.8, 98.9%, 72.2%)

CMYK98.9%, 85.3%, 0%, 27.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer138,168

CSS custom property--colour: #021BB8;

Brightness & contrast

Relative luminance0.04257WCAG 2.x, 0 is black and 1 is white

Perceived brightness65.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.34:1

Contrast with white11.34:1WCAG normal text: AAA

Contrast with black1.85:1WCAG normal text: Fail

Greyscale equivalent#212121

Inverted#FDE447

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0043BCno red cones; affects about 1% of men; ΔE 26.4 from the original

Deuteranopia#0031B5no green cones; the most common form, about 1% of men; ΔE 15.6 from the original

Tritanopia#00506Dno blue cones; rare, and affects men and women equally; ΔE 85.8 from the original

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

Contrast with white, large text11.34:1WCAG large text: AAA

Contrast with black, large text1.85:1WCAG large text: Fail

Named colours

Dark blue · ΔE 15.3 Medium blue · ΔE 17.7 Navy · ΔE 20.1 Blue violet · ΔE 24.4 Indigo · ΔE 27 Dark violet · ΔE 28.7

Nearest named CSS colourDark blue (#00008B)ΔE 15.25, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#B89F02

Analogous#0276B8, #4402B8

Triadic#B8021B, #1BB802

Split complementary#B84402, #76B802

Tetradic#B80276, #B89F02, #02B844

Tints, shades & saturation

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

Lighter +40%#8898FE

Lighter +30%#566DFD

Lighter +20%#2341FD

Lighter +10%#0322EA

Darker −10%#011486

Darker −20%#010C53

Darker −30%#000521

Darker −40%#000000

More saturated +25%#001ABA

Less saturated −25%#192CA1

Channel breakdown

G27

B184

Red2 (0.8%)

Green27 (10.6%)

Blue184 (72.2%)

Hue231.76°

Saturation (HSL)97.85%

Lightness36.47%

Dominant channelBlue

Hex per channelR 02 · G 1B · B B8

Keep nerding

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

#021BB8

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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