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Recognised as Colour

#0331F4

  • #0331F4
  • Blue
  • Dark
  • Nearest: Medium blue

#0331F4 is a blue with RGB values 3, 49, 244 and HSL 229°, 98%, 48%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#0331F4#0331F4
HEX#0331F4
RGBrgb(3, 49, 244)
RGB (0–1)0.0118, 0.1922, 0.9569
RGB percentages1.2%, 19.2%, 95.7%
HSLhsl(228.5, 97.6%, 48.4%)
HSV / HSBhsv(228.5, 98.8%, 95.7%)
CMYK98.8%, 79.9%, 0%, 4.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer209,396
CSS custom property--colour: #0331F4;

Brightness & contrast

Relative luminance0.08748WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.64:1
Contrast with white7.64:1WCAG normal text: AAA
Contrast with black2.75:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#FCCE0B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005FF9no red cones; affects about 1% of men; ΔE 30.3 from the original
Deuteranopia#0047F1no green cones; the most common form, about 1% of men; ΔE 15.8 from the original
Tritanopia#007094no blue cones; rare, and affects men and women equally; ΔE 102.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.64:1WCAG large text: AAA
Contrast with black, large text2.75:1WCAG large text: Fail

Named colours

Medium blue · ΔE 12.6Blue · ΔE 20.7Blue violet · ΔE 23.8Dark violet · ΔE 29.8Dark blue · ΔE 36.6Dark orchid · ΔE 37.2
Nearest named CSS colourMedium blue (#0000CD)ΔE 12.57, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F4C603
Analogous#03A9F4, #4D03F4
Triadic#F40331, #31F403
Split complementary#F44E03, #A9F403
Tetradic#F403AA, #F4C603, #03F44E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C5D0FE
Lighter +30%#92A7FE
Lighter +20%#607EFD
Lighter +10%#2E55FC
Darker −10%#0227C2
Darker −20%#021D8F
Darker −30%#01135D
Darker −40%#01092A
More saturated +25%#002FF7
Less saturated −25%#2244D5

Channel breakdown

R3
G49
B244
Red3 (1.2%)
Green49 (19.2%)
Blue244 (95.7%)
Hue228.55°
Saturation (HSL)97.57%
Lightness48.43%
Dominant channelBlue
Hex per channelR 03 · G 31 · B F4

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Every value on this page was computed from “0331f4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.