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Recognised as Colour

#031FD3

  • #031FD3
  • Blue
  • Dark
  • Nearest: Medium blue

#031FD3 is a blue with RGB values 3, 31, 211 and HSL 232°, 97%, 42%. It is a dark colour, so white text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#031FD3#031FD3
HEX#031FD3
RGBrgb(3, 31, 211)
RGB (0–1)0.0118, 0.1216, 0.8275
RGB percentages1.2%, 12.2%, 82.7%
HSLhsl(231.9, 97.2%, 42%)
HSV / HSBhsv(231.9, 98.6%, 82.7%)
CMYK98.6%, 85.3%, 0%, 17.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer204,755
CSS custom property--colour: #031FD3;

Brightness & contrast

Relative luminance0.05702WCAG 2.x, 0 is black and 1 is white
Perceived brightness75.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.81:1
Contrast with white9.81:1WCAG normal text: AAA
Contrast with black2.14:1WCAG normal text: Fail
Greyscale equivalent#262626
Inverted#FCE02C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004ED8no red cones; affects about 1% of men; ΔE 29.8 from the original
Deuteranopia#0039D0no green cones; the most common form, about 1% of men; ΔE 17.4 from the original
Tritanopia#005D7Eno blue cones; rare, and affects men and women equally; ΔE 95.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.81:1WCAG large text: AAA
Contrast with black, large text2.14:1WCAG large text: Fail

Named colours

Medium blue · ΔE 8.2Blue violet · ΔE 21.7Dark blue · ΔE 26.4Dark violet · ΔE 26.8Blue · ΔE 27Navy · ΔE 31.5
Nearest named CSS colourMedium blue (#0000CD)ΔE 8.2, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D3B703
Analogous#0387D3, #4F03D3
Triadic#D3031F, #1FD303
Split complementary#D34F03, #87D303
Tetradic#D30387, #D3B703, #03D34F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A4B0FE
Lighter +30%#7285FD
Lighter +20%#4059FC
Lighter +10%#0D2DFC
Darker −10%#0218A1
Darker −20%#02106E
Darker −30%#01093C
Darker −40%#00010A
More saturated +25%#001DD6
Less saturated −25%#1E33B8

Channel breakdown

R3
G31
B211
Red3 (1.2%)
Green31 (12.2%)
Blue211 (82.7%)
Hue231.92°
Saturation (HSL)97.2%
Lightness41.96%
Dominant channelBlue
Hex per channelR 03 · G 1F · B D3

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Every value on this page was computed from “031fd3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.