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Recognised as Colour

#212DA8

  • #212DA8
  • Blue
  • Dark
  • Nearest: Navy

#212DA8 is a blue with RGB values 33, 45, 168 and HSL 235°, 67%, 39%. It is a dark colour, so white text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Navy.

Colour values

#212DA8#212DA8
HEX#212DA8
RGBrgb(33, 45, 168)
RGB (0–1)0.1294, 0.1765, 0.6588
RGB percentages12.9%, 17.6%, 65.9%
HSLhsl(234.7, 67.2%, 39.4%)
HSV / HSBhsv(234.7, 80.4%, 65.9%)
CMYK80.4%, 73.2%, 0%, 34.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,174,376
CSS custom property--colour: #212DA8;

Brightness & contrast

Relative luminance0.05027WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.47:1
Contrast with white10.47:1WCAG normal text: AAA
Contrast with black2.01:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#DED257

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0046ACno red cones; affects about 1% of men; ΔE 19 from the original
Deuteranopia#0039A6no green cones; the most common form, about 1% of men; ΔE 11.1 from the original
Tritanopia#005068no blue cones; rare, and affects men and women equally; ΔE 69.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.47:1WCAG large text: AAA
Contrast with black, large text2.01:1WCAG large text: Fail

Named colours

Navy · ΔE 15.7Dark blue · ΔE 16Indigo · ΔE 18.6Rebecca purple · ΔE 20.4Slate blue · ΔE 20.9Midnight blue · ΔE 21.8
Nearest named CSS colourNavy (#000080)ΔE 15.74, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A89C21
Analogous#2171A8, #5821A8
Triadic#A8212D, #2DA821
Split complementary#A85821, #71A821
Tetradic#A82171, #A89C21, #21A858

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A7AEEE
Lighter +30%#7D86E5
Lighter +20%#525EDD
Lighter +10%#2938D3
Darker −10%#19227D
Darker −20%#101653
Darker −30%#080B28
Darker −40%#000000
More saturated +25%#0818C1
Less saturated −25%#3A428F

Channel breakdown

R33
G45
B168
Red33 (12.9%)
Green45 (17.6%)
Blue168 (65.9%)
Hue234.67°
Saturation (HSL)67.16%
Lightness39.41%
Dominant channelBlue
Hex per channelR 21 · G 2D · B A8

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Every value on this page was computed from “212da8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.