Recognised as Colour

#031FD8

#031FD8
Blue
Dark
Nearest: Medium blue

#031FD8 is a blue with RGB values 3, 31, 216 and HSL 232°, 97%, 43%. It is a dark colour, so white text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#031FD8#031FD8

HEX#031FD8

RGBrgb(3, 31, 216)

RGB (0–1)0.0118, 0.1216, 0.8471

RGB percentages1.2%, 12.2%, 84.7%

HSLhsl(232.1, 97.3%, 42.9%)

HSV / HSBhsv(232.1, 98.6%, 84.7%)

CMYK98.6%, 85.6%, 0%, 15.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer204,760

CSS custom property--colour: #031FD8;

Brightness & contrast

Relative luminance0.05957WCAG 2.x, 0 is black and 1 is white

Perceived brightness76.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.58:1

Contrast with white9.58:1WCAG normal text: AAA

Contrast with black2.19:1WCAG normal text: Fail

Greyscale equivalent#262626

Inverted#FCE027

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#004FDDno red cones; affects about 1% of men; ΔE 30 from the original

Deuteranopia#003AD5no green cones; the most common form, about 1% of men; ΔE 17.7 from the original

Tritanopia#005F81no blue cones; rare, and affects men and women equally; ΔE 97.7 from the original

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

Contrast with white, large text9.58:1WCAG large text: AAA

Contrast with black, large text2.19:1WCAG large text: Fail

Named colours

Medium blue · ΔE 6.9 Blue violet · ΔE 22 Blue · ΔE 24.6 Dark violet · ΔE 27 Dark blue · ΔE 28.7 Dark orchid · ΔE 33.8

Nearest named CSS colourMedium blue (#0000CD)ΔE 6.94, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#D8BC03

Analogous#0389D8, #5103D8

Triadic#D8031F, #1FD803

Split complementary#D85203, #89D803

Tetradic#D8038A, #D8BC03, #03D852

Tints, shades & saturation

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

Lighter +40%#A9B4FE

Lighter +30%#7789FD

Lighter +20%#455DFC

Lighter +10%#1231FC

Darker −10%#0218A6

Darker −20%#021173

Darker −30%#010941

Darker −40%#00020F

More saturated +25%#001DDB

Less saturated −25%#1E33BD

Channel breakdown

G31

B216

Red3 (1.2%)

Green31 (12.2%)

Blue216 (84.7%)

Hue232.11°

Saturation (HSL)97.26%

Lightness42.94%

Dominant channelBlue

Hex per channelR 03 · G 1F · B D8

Keep nerding

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

#031FD8

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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