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Recognised as Colour

#213DFE

  • #213DFE
  • Blue
  • Dark
  • Nearest: Medium blue

#213DFE is a blue with RGB values 33, 61, 254 and HSL 232°, 99%, 56%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Medium blue.

Colour values

#213DFE#213DFE
HEX#213DFE
RGBrgb(33, 61, 254)
RGB (0–1)0.1294, 0.2392, 0.9961
RGB percentages12.9%, 23.9%, 99.6%
HSLhsl(232.4, 99.1%, 56.3%)
HSV / HSBhsv(232.4, 87%, 99.6%)
CMYK87%, 76%, 0%, 0.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,178,558
CSS custom property--colour: #213DFE;

Brightness & contrast

Relative luminance0.10817WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.64:1
Contrast with white6.64:1WCAG normal text: AA
Contrast with black3.16:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#DEC201

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0067FFno red cones; affects about 1% of men; ΔE 30.5 from the original
Deuteranopia#0051FBno green cones; the most common form, about 1% of men; ΔE 15.4 from the original
Tritanopia#00789Cno blue cones; rare, and affects men and women equally; ΔE 101.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.64:1WCAG large text: AAA
Contrast with black, large text3.16:1WCAG large text: AA

Named colours

Medium blue · ΔE 16.5Blue violet · ΔE 23.3Blue · ΔE 23.7Dark violet · ΔE 30.1Dark orchid · ΔE 36.2Dark blue · ΔE 37.7
Nearest named CSS colourMedium blue (#0000CD)ΔE 16.5, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FEE221
Analogous#21ACFE, #7321FE
Triadic#FE213D, #3DFE21
Split complementary#FE7321, #ACFE21
Tetradic#FE21AC, #FEE221, #21FE73

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ECEEFF
Lighter +30%#B9C2FF
Lighter +20%#8796FE
Lighter +10%#5469FE
Darker −10%#011FEB
Darker −20%#0118B8
Darker −30%#011185
Darker −40%#000B53
More saturated +25%#203CFF
Less saturated −25%#3D52E2

Channel breakdown

R33
G61
B254
Red33 (12.9%)
Green61 (23.9%)
Blue254 (99.6%)
Hue232.4°
Saturation (HSL)99.1%
Lightness56.27%
Dominant channelBlue
Hex per channelR 21 · G 3D · B FE

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Every value on this page was computed from “213dfe” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.