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Recognised as Colour

#211DFF

  • #211DFF
  • Blue
  • Dark
  • Nearest: Blue

#211DFF is a blue with RGB values 33, 29, 255 and HSL 241°, 100%, 56%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#211DFF#211DFF
HEX#211DFF
RGBrgb(33, 29, 255)
RGB (0–1)0.1294, 0.1137, 1
RGB percentages12.9%, 11.4%, 100%
HSLhsl(241.1, 100%, 55.7%)
HSV / HSBhsv(241.1, 88.6%, 100%)
CMYK87.1%, 88.6%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,170,367
CSS custom property--colour: #211DFF;

Brightness & contrast

Relative luminance0.08422WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.82:1
Contrast with white7.82:1WCAG normal text: AAA
Contrast with black2.68:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#DEE200

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005DFFno red cones; affects about 1% of men; ΔE 39 from the original
Deuteranopia#0045FCno green cones; the most common form, about 1% of men; ΔE 22.7 from the original
Tritanopia#006F98no blue cones; rare, and affects men and women equally; ΔE 112.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.82:1WCAG large text: AAA
Contrast with black, large text2.68:1WCAG large text: Fail

Named colours

Blue · ΔE 7.4Medium blue · ΔE 16.9Blue violet · ΔE 30Dark violet · ΔE 33.7Dark orchid · ΔE 45.2Dark blue · ΔE 46.6
Nearest named CSS colourBlue (#0000FF)ΔE 7.35, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FBFF1D
Analogous#1D8AFF, #921DFF
Triadic#FF211D, #1DFF21
Split complementary#FF921D, #8AFF1D
Tetradic#FF1D8A, #FBFF1D, #1DFF92

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E9E9FF
Lighter +30%#B7B6FF
Lighter +20%#8583FF
Lighter +10%#5350FF
Darker −10%#0400E9
Darker −20%#0300B6
Darker −30%#020083
Darker −40%#010050
More saturated +25%#211DFF
Less saturated −25%#3C39E3

Channel breakdown

R33
G29
B255
Red33 (12.9%)
Green29 (11.4%)
Blue255 (100%)
Hue241.06°
Saturation (HSL)100%
Lightness55.69%
Dominant channelBlue
Hex per channelR 21 · G 1D · B FF

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Every value on this page was computed from “211dff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.