Recognised as Colour

#031B35

#031B35
Blue
Dark
Nearest: Black

#031B35 is a blue with RGB values 3, 27, 53 and HSL 211°, 89%, 11%. It is a dark colour, so white text on it reaches 17.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#031B35#031B35

HEX#031B35

RGBrgb(3, 27, 53)

RGB (0–1)0.0118, 0.1059, 0.2078

RGB percentages1.2%, 10.6%, 20.8%

HSLhsl(211.2, 89.3%, 11%)

HSV / HSBhsv(211.2, 94.3%, 20.8%)

CMYK94.3%, 49.1%, 0%, 79.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer203,573

CSS custom property--colour: #031B35;

Brightness & contrast

Relative luminance0.0106WCAG 2.x, 0 is black and 1 is white

Perceived brightness27.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.33:1

Contrast with white17.33:1WCAG normal text: AAA

Contrast with black1.21:1WCAG normal text: Fail

Greyscale equivalent#181818

Inverted#FCE4CA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0E1D36no red cones; affects about 1% of men; ΔE 2.3 from the original

Deuteranopia#051834no green cones; the most common form, about 1% of men; ΔE 2.7 from the original

Tritanopia#002125no blue cones; rare, and affects men and women equally; ΔE 18.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.33:1WCAG large text: AAA

Contrast with black, large text1.21:1WCAG large text: Fail

Named colours

Black · ΔE 22 Dark slate grey · ΔE 30.4 Dark slateblue · ΔE 39 Dim grey · ΔE 40.2 Midnight blue · ΔE 42.4 Slate grey · ΔE 44.5

Nearest named CSS colourBlack (#000000)ΔE 22.03, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#351D03

Analogous#033435, #040335

Triadic#35031B, #1B3503

Split complementary#350403, #343503

Tetradic#350334, #351D03, #033504

Tints, shades & saturation

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

Lighter +40%#127EF2

Lighter +30%#0B65C6

Lighter +20%#084C96

Lighter +10%#063465

Darker −10%#000205

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#001B38

Less saturated −25%#0A1B2E

Channel breakdown

G27

B53

Red3 (1.2%)

Green27 (10.6%)

Blue53 (20.8%)

Hue211.2°

Saturation (HSL)89.29%

Lightness10.98%

Dominant channelBlue

Hex per channelR 03 · G 1B · B 35

Keep nerding

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

#031B35

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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