Colour

#031AA4

#031AA4
Blue
Dark
Nearest: Dark blue

#031AA4 is a blue with RGB values 3, 26, 164 and HSL 231°, 96%, 33%. It is a dark colour, so white text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#031AA4#031AA4

HEX#031AA4

RGBrgb(3, 26, 164)

RGB (0–1)0.0118, 0.102, 0.6431

RGB percentages1.2%, 10.2%, 64.3%

HSLhsl(231.4, 96.4%, 32.7%)

HSV / HSBhsv(231.4, 98.2%, 64.3%)

CMYK98.2%, 84.1%, 0%, 35.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer203,428

CSS custom property--colour: #031AA4;

Brightness & contrast

Relative luminance0.03438WCAG 2.x, 0 is black and 1 is white

Perceived brightness58.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.44:1

Contrast with white12.44:1WCAG normal text: AAA

Contrast with black1.69:1WCAG normal text: Fail

Greyscale equivalent#1F1F1F

Inverted#FCE55B

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003CA8no red cones; affects about 1% of men; ΔE 23.3 from the original

Deuteranopia#002CA2no green cones; the most common form, about 1% of men; ΔE 13.3 from the original

Tritanopia#004861no blue cones; rare, and affects men and women equally; ΔE 78.1 from the original

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

Contrast with white, large text12.44:1WCAG large text: AAA

Contrast with black, large text1.69:1WCAG large text: Fail

Named colours

Dark blue · ΔE 8.3 Navy · ΔE 11.7 Indigo · ΔE 19.6 Medium blue · ΔE 27.2 Rebecca purple · ΔE 28.2 Midnight blue · ΔE 28.8

Nearest named CSS colourDark blue (#00008B)ΔE 8.29, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#A48D03

Analogous#036AA4, #3D03A4

Triadic#A4031A, #1AA403

Split complementary#A43D03, #6AA403

Tetradic#A4036A, #A48D03, #03A43D

Tints, shades & saturation

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

Lighter +40%#768AFD

Lighter +30%#445FFC

Lighter +20%#1234FB

Lighter +10%#0422D6

Darker −10%#021272

Darker −20%#010A40

Darker −30%#00020E

Darker −40%#000000

More saturated +25%#0018A7

Less saturated −25%#18298F

Channel breakdown

G26

B164

Red3 (1.2%)

Green26 (10.2%)

Blue164 (64.3%)

Hue231.43°

Saturation (HSL)96.41%

Lightness32.75%

Dominant channelBlue

Hex per channelR 03 · G 1A · B A4

Keep nerding

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

#031AA4

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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