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Recognised as Colour

#2152AD

  • #2152AD
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2152AD is a blue with RGB values 33, 82, 173 and HSL 219°, 68%, 40%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2152AD#2152AD
HEX#2152AD
RGBrgb(33, 82, 173)
RGB (0–1)0.1294, 0.3216, 0.6784
RGB percentages12.9%, 32.2%, 67.8%
HSLhsl(219, 68%, 40.4%)
HSV / HSBhsv(219, 80.9%, 67.8%)
CMYK80.9%, 52.6%, 0%, 32.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,183,853
CSS custom property--colour: #2152AD;

Brightness & contrast

Relative luminance0.09375WCAG 2.x, 0 is black and 1 is white
Perceived brightness87.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.3:1
Contrast with white7.3:1WCAG normal text: AAA
Contrast with black2.88:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#DEAD52

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#115DB0no red cones; affects about 1% of men; ΔE 8.5 from the original
Deuteranopia#0050ABno green cones; the most common form, about 1% of men; ΔE 2.3 from the original
Tritanopia#006877no blue cones; rare, and affects men and women equally; ΔE 53.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.3:1WCAG large text: AAA
Contrast with black, large text2.88:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 15Royal blue · ΔE 18.4Slate blue · ΔE 20.6Midnight blue · ΔE 25.3Rebecca purple · ΔE 26Dodgerblue · ΔE 26.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 15.04, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AD7C21
Analogous#2198AD, #3621AD
Triadic#AD2152, #52AD21
Split complementary#AD3621, #98AD21
Tetradic#AD2198, #AD7C21, #21AD36

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ABC3EF
Lighter +30%#80A4E7
Lighter +20%#5585DF
Lighter +10%#2B67D6
Darker −10%#193E82
Darker −20%#112957
Darker −30%#08152D
Darker −40%#000102
More saturated +25%#074AC7
Less saturated −25%#3B5A93

Channel breakdown

R33
G82
B173
Red33 (12.9%)
Green82 (32.2%)
Blue173 (67.8%)
Hue219°
Saturation (HSL)67.96%
Lightness40.39%
Dominant channelBlue
Hex per channelR 21 · G 52 · B AD

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Every value on this page was computed from “2152ad” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.