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Recognised as Colour

#031DC4

  • #031DC4
  • Blue
  • Dark
  • Nearest: Medium blue

#031DC4 is a blue with RGB values 3, 29, 196 and HSL 232°, 97%, 39%. It is a dark colour, so white text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#031DC4#031DC4
HEX#031DC4
RGBrgb(3, 29, 196)
RGB (0–1)0.0118, 0.1137, 0.7686
RGB percentages1.2%, 11.4%, 76.9%
HSLhsl(231.9, 97%, 39%)
HSV / HSBhsv(231.9, 98.5%, 76.9%)
CMYK98.5%, 85.2%, 0%, 23.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer204,228
CSS custom property--colour: #031DC4;

Brightness & contrast

Relative luminance0.04884WCAG 2.x, 0 is black and 1 is white
Perceived brightness69.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.62:1
Contrast with white10.62:1WCAG normal text: AAA
Contrast with black1.98:1WCAG normal text: Fail
Greyscale equivalent#242424
Inverted#FCE23B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0048C8no red cones; affects about 1% of men; ΔE 28.1 from the original
Deuteranopia#0034C1no green cones; the most common form, about 1% of men; ΔE 15.9 from the original
Tritanopia#005674no blue cones; rare, and affects men and women equally; ΔE 90.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.62:1WCAG large text: AAA
Contrast with black, large text1.98:1WCAG large text: Fail

Named colours

Medium blue · ΔE 13.1Dark blue · ΔE 20.1Blue violet · ΔE 22.5Navy · ΔE 25.1Dark violet · ΔE 27.2Dark orchid · ΔE 30.4
Nearest named CSS colourMedium blue (#0000CD)ΔE 13.06, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C4AA03
Analogous#037DC4, #4A03C4
Triadic#C4031D, #1DC403
Split complementary#C44A03, #7EC403
Tetradic#C4037D, #C4AA03, #03C44A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#96A4FD
Lighter +30%#6378FD
Lighter +20%#314CFC
Lighter +10%#0424F6
Darker −10%#021692
Darker −20%#010E60
Darker −30%#01072D
Darker −40%#000000
More saturated +25%#001BC7
Less saturated −25%#1C2FAB

Channel breakdown

R3
G29
B196
Red3 (1.2%)
Green29 (11.4%)
Blue196 (76.9%)
Hue231.92°
Saturation (HSL)96.98%
Lightness39.02%
Dominant channelBlue
Hex per channelR 03 · G 1D · B C4

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Every value on this page was computed from “031dc4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.