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Recognised as Colour

#211B82

  • #211B82
  • Blue
  • Dark
  • Nearest: Midnight blue

#211B82 is a blue with RGB values 33, 27, 130 and HSL 243°, 66%, 31%. It is a dark colour, so white text on it reaches 13.6:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#211B82#211B82
HEX#211B82
RGBrgb(33, 27, 130)
RGB (0–1)0.1294, 0.1059, 0.5098
RGB percentages12.9%, 10.6%, 51%
HSLhsl(243.5, 65.6%, 30.8%)
HSV / HSBhsv(243.5, 79.2%, 51%)
CMYK74.6%, 79.2%, 0%, 49%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,169,730
CSS custom property--colour: #211B82;

Brightness & contrast

Relative luminance0.02719WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.6:1
Contrast with white13.6:1WCAG normal text: AAA
Contrast with black1.54:1WCAG normal text: Fail
Greyscale equivalent#242424
Inverted#DEE47D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003385no red cones; affects about 1% of men; ΔE 18.8 from the original
Deuteranopia#002980no green cones; the most common form, about 1% of men; ΔE 12.8 from the original
Tritanopia#003A4Eno blue cones; rare, and affects men and women equally; ΔE 60.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.6:1WCAG large text: AAA
Contrast with black, large text1.54:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 9.3Navy · ΔE 14.4Indigo · ΔE 14.5Rebecca purple · ΔE 17.5Dark blue · ΔE 18.4Dark slateblue · ΔE 21.7
Nearest named CSS colourMidnight blue (#191970)ΔE 9.29, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7C821B
Analogous#1B4882, #551B82
Triadic#82211B, #1B8221
Split complementary#82551B, #48821B
Tetradic#821B48, #7C821B, #1B8255

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8984E5
Lighter +30%#6159DD
Lighter +20%#392FD4
Lighter +10%#2C24AC
Darker −10%#161258
Darker −20%#0C092E
Darker −30%#010103
Darker −40%#000000
More saturated +25%#100796
Less saturated −25%#322F6E

Channel breakdown

R33
G27
B130
Red33 (12.9%)
Green27 (10.6%)
Blue130 (51%)
Hue243.5°
Saturation (HSL)65.61%
Lightness30.78%
Dominant channelBlue
Hex per channelR 21 · G 1B · B 82

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Every value on this page was computed from “211b82” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.