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Recognised as Colour

#21469E

  • #21469E
  • Blue
  • Dark
  • Nearest: Dark slateblue

#21469E is a blue with RGB values 33, 70, 158 and HSL 222°, 65%, 37%. It is a dark colour, so white text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#21469E#21469E
HEX#21469E
RGBrgb(33, 70, 158)
RGB (0–1)0.1294, 0.2745, 0.6196
RGB percentages12.9%, 27.5%, 62%
HSLhsl(222.2, 65.4%, 37.5%)
HSV / HSBhsv(222.2, 79.1%, 62%)
CMYK79.1%, 55.7%, 0%, 38%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,180,766
CSS custom property--colour: #21469E;

Brightness & contrast

Relative luminance0.07172WCAG 2.x, 0 is black and 1 is white
Perceived brightness77.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.63:1
Contrast with white8.63:1WCAG normal text: AAA
Contrast with black2.43:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#DEB961

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0052A1no red cones; affects about 1% of men; ΔE 10.1 from the original
Deuteranopia#00469Cno green cones; the most common form, about 1% of men; ΔE 3.2 from the original
Tritanopia#005C6Bno blue cones; rare, and affects men and women equally; ΔE 52.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.63:1WCAG large text: AAA
Contrast with black, large text2.43:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 11.3Midnight blue · ΔE 20.2Slate blue · ΔE 21.6Royal blue · ΔE 21.7Rebecca purple · ΔE 23.3Medium purple · ΔE 28.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.32, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9E7921
Analogous#21849E, #3A219E
Triadic#9E2146, #469E21
Split complementary#9E3B21, #849E21
Tetradic#9E2185, #9E7921, #219E3B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A0B6EB
Lighter +30%#7696E2
Lighter +20%#4B76DA
Lighter +10%#2A59C8
Darker −10%#183374
Darker −20%#0F214A
Darker −30%#070E1F
Darker −40%#000000
More saturated +25%#093CB6
Less saturated −25%#395086

Channel breakdown

R33
G70
B158
Red33 (12.9%)
Green70 (27.5%)
Blue158 (62%)
Hue222.24°
Saturation (HSL)65.45%
Lightness37.45%
Dominant channelBlue
Hex per channelR 21 · G 46 · B 9E

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Every value on this page was computed from “21469e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.