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Recognised as Colour

#2242B8

  • #2242B8
  • Blue
  • Dark
  • Nearest: Slate blue

#2242B8 is a blue with RGB values 34, 66, 184 and HSL 227°, 69%, 43%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#2242B8#2242B8
HEX#2242B8
RGBrgb(34, 66, 184)
RGB (0–1)0.1333, 0.2588, 0.7216
RGB percentages13.3%, 25.9%, 72.2%
HSLhsl(227.2, 68.8%, 42.7%)
HSV / HSBhsv(227.2, 81.5%, 72.2%)
CMYK81.5%, 64.1%, 0%, 27.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,245,304
CSS custom property--colour: #2242B8;

Brightness & contrast

Relative luminance0.07697WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.27:1
Contrast with white8.27:1WCAG normal text: AAA
Contrast with black2.54:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#DDBD47

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0056BCno red cones; affects about 1% of men; ΔE 15.5 from the original
Deuteranopia#0047B6no green cones; the most common form, about 1% of men; ΔE 6.2 from the original
Tritanopia#006177no blue cones; rare, and affects men and women equally; ΔE 67.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.27:1WCAG large text: AAA
Contrast with black, large text2.54:1WCAG large text: Fail

Named colours

Slate blue · ΔE 14.5Royal blue · ΔE 15.9Medium slateblue · ΔE 20.5Rebecca purple · ΔE 20.7Midnight blue · ΔE 23.5Dark slateblue · ΔE 24.3
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 14.49, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B89822
Analogous#228DB8, #4D22B8
Triadic#B82242, #42B822
Split complementary#B84D22, #8DB822
Tetradic#B8228D, #B89822, #22B84D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B5C2F1
Lighter +30%#8A9EE9
Lighter +20%#5F7BE1
Lighter +10%#3457D9
Darker −10%#1A338D
Darker −20%#122362
Darker −30%#0A1437
Darker −40%#02040C
More saturated +25%#0732D3
Less saturated −25%#3D529D

Channel breakdown

R34
G66
B184
Red34 (13.3%)
Green66 (25.9%)
Blue184 (72.2%)
Hue227.2°
Saturation (HSL)68.81%
Lightness42.75%
Dominant channelBlue
Hex per channelR 22 · G 42 · B B8

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Every value on this page was computed from “2242b8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.