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Recognised as Colour

#021FD4

  • #021FD4
  • Blue
  • Dark
  • Nearest: Medium blue

#021FD4 is a blue with RGB values 2, 31, 212 and HSL 232°, 98%, 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

#021FD4#021FD4
HEX#021FD4
RGBrgb(2, 31, 212)
RGB (0–1)0.0078, 0.1216, 0.8314
RGB percentages0.8%, 12.2%, 83.1%
HSLhsl(231.7, 98.1%, 42%)
HSV / HSBhsv(231.7, 99.1%, 83.1%)
CMYK99.1%, 85.4%, 0%, 16.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer139,220
CSS custom property--colour: #021FD4;

Brightness & contrast

Relative luminance0.05746WCAG 2.x, 0 is black and 1 is white
Perceived brightness75.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.77:1
Contrast with white9.77:1WCAG normal text: AAA
Contrast with black2.15:1WCAG normal text: Fail
Greyscale equivalent#262626
Inverted#FDE02B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004ED9no red cones; affects about 1% of men; ΔE 29.7 from the original
Deuteranopia#0039D1no green cones; the most common form, about 1% of men; ΔE 17.3 from the original
Tritanopia#005D7Eno blue cones; rare, and affects men and women equally; ΔE 96.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.77:1WCAG large text: AAA
Contrast with black, large text2.15:1WCAG large text: Fail

Named colours

Medium blue · ΔE 7.9Blue violet · ΔE 21.8Blue · ΔE 26.5Dark violet · ΔE 26.8Dark blue · ΔE 26.9Navy · ΔE 32
Nearest named CSS colourMedium blue (#0000CD)ΔE 7.89, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D4B702
Analogous#0288D4, #4E02D4
Triadic#D4021F, #1FD402
Split complementary#D44E02, #88D402
Tetradic#D40288, #D4B702, #02D44E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A4B0FE
Lighter +30%#7185FE
Lighter +20%#3F59FD
Lighter +10%#0C2DFD
Darker −10%#0218A1
Darker −20%#01106F
Darker −30%#01093C
Darker −40%#00010A
More saturated +25%#001ED6
Less saturated −25%#1D32B9

Channel breakdown

R2
G31
B212
Red2 (0.8%)
Green31 (12.2%)
Blue212 (83.1%)
Hue231.71°
Saturation (HSL)98.13%
Lightness41.96%
Dominant channelBlue
Hex per channelR 02 · G 1F · B D4

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Every value on this page was computed from “021fd4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.