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Recognised as Colour

#22137D

  • #22137D
  • Blue
  • Dark
  • Nearest: Midnight blue

#22137D is a blue with RGB values 34, 19, 125 and HSL 248°, 74%, 28%. It is a dark colour, so white text on it reaches 14.4:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#22137D#22137D
HEX#22137D
RGBrgb(34, 19, 125)
RGB (0–1)0.1333, 0.0745, 0.4902
RGB percentages13.3%, 7.5%, 49%
HSLhsl(248.5, 73.6%, 28.2%)
HSV / HSBhsv(248.5, 84.8%, 49%)
CMYK72.8%, 84.8%, 0%, 51%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,233,213
CSS custom property--colour: #22137D;

Brightness & contrast

Relative luminance0.02286WCAG 2.x, 0 is black and 1 is white
Perceived brightness48.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.41:1
Contrast with white14.41:1WCAG normal text: AAA
Contrast with black1.46:1WCAG normal text: Fail
Greyscale equivalent#1E1E1E
Inverted#DDEC82

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002E80no red cones; affects about 1% of men; ΔE 20 from the original
Deuteranopia#00257Bno green cones; the most common form, about 1% of men; ΔE 14.8 from the original
Tritanopia#003549no blue cones; rare, and affects men and women equally; ΔE 62 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14.41:1WCAG large text: AAA
Contrast with black, large text1.46:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 10.8Navy · ΔE 11.9Indigo · ΔE 12.3Dark blue · ΔE 16.3Rebecca purple · ΔE 18.5Dark slateblue · ΔE 24.3
Nearest named CSS colourMidnight blue (#191970)ΔE 10.8, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6E7D13
Analogous#13397D, #57137D
Triadic#7D2213, #137D22
Split complementary#7D5713, #397D13
Tetradic#7D1339, #6E7D13, #137D57

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8372EA
Lighter +30%#5C46E3
Lighter +20%#3A20D6
Lighter +10%#2E1AA9
Darker −10%#160C51
Darker −20%#0A0624
Darker −30%#000000
Darker −40%#000000
More saturated +25%#15018F
Less saturated −25%#2F256B

Channel breakdown

R34
G19
B125
Red34 (13.3%)
Green19 (7.5%)
Blue125 (49%)
Hue248.49°
Saturation (HSL)73.61%
Lightness28.24%
Dominant channelBlue
Hex per channelR 22 · G 13 · B 7D

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Every value on this page was computed from “22137d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.