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Recognised as Colour

#021FF3

  • #021FF3
  • Blue
  • Dark
  • Nearest: Medium blue

#021FF3 is a blue with RGB values 2, 31, 243 and HSL 233°, 98%, 48%. It is a dark colour, so white text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#021FF3#021FF3
HEX#021FF3
RGBrgb(2, 31, 243)
RGB (0–1)0.0078, 0.1216, 0.9529
RGB percentages0.8%, 12.2%, 95.3%
HSLhsl(232.8, 98.4%, 48%)
HSV / HSBhsv(232.8, 99.2%, 95.3%)
CMYK99.2%, 87.2%, 0%, 4.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer139,251
CSS custom property--colour: #021FF3;

Brightness & contrast

Relative luminance0.07464WCAG 2.x, 0 is black and 1 is white
Perceived brightness85.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.42:1
Contrast with white8.42:1WCAG normal text: AAA
Contrast with black2.49:1WCAG normal text: Fail
Greyscale equivalent#282828
Inverted#FDE00C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0059F8no red cones; affects about 1% of men; ΔE 34.7 from the original
Deuteranopia#0040F0no green cones; the most common form, about 1% of men; ΔE 19.8 from the original
Tritanopia#006A91no blue cones; rare, and affects men and women equally; ΔE 108.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.42:1WCAG large text: AAA
Contrast with black, large text2.49:1WCAG large text: Fail

Named colours

Medium blue · ΔE 11.9Blue · ΔE 12.4Blue violet · ΔE 27.1Dark violet · ΔE 31.3Dark blue · ΔE 41Dark orchid · ΔE 41.7
Nearest named CSS colourMedium blue (#0000CD)ΔE 11.95, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F3D602
Analogous#0298F3, #5D02F3
Triadic#F3021F, #1FF302
Split complementary#F35D02, #98F302
Tetradic#F30298, #F3D602, #02F35D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C2CAFF
Lighter +30%#909DFE
Lighter +20%#5D71FE
Lighter +10%#2B44FD
Darker −10%#0219C0
Darker −20%#01128E
Darker −30%#010C5B
Darker −40%#000529
More saturated +25%#001DF5
Less saturated −25%#2136D4

Channel breakdown

R2
G31
B243
Red2 (0.8%)
Green31 (12.2%)
Blue243 (95.3%)
Hue232.78°
Saturation (HSL)98.37%
Lightness48.04%
Dominant channelBlue
Hex per channelR 02 · G 1F · B F3

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Every value on this page was computed from “021ff3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.