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Colour

#2444A9

  • #2444A9
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2444A9 is a blue with RGB values 36, 68, 169 and HSL 226°, 65%, 40%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2444A9#2444A9
HEX#2444A9
RGBrgb(36, 68, 169)
RGB (0–1)0.1412, 0.2667, 0.6627
RGB percentages14.1%, 26.7%, 66.3%
HSLhsl(225.6, 64.9%, 40.2%)
HSV / HSBhsv(225.6, 78.7%, 66.3%)
CMYK78.7%, 59.8%, 0%, 33.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,376,873
CSS custom property--colour: #2444A9;

Brightness & contrast

Relative luminance0.07374WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.49:1
Contrast with white8.49:1WCAG normal text: AAA
Contrast with black2.47:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#DBBB56

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0053ACno red cones; affects about 1% of men; ΔE 12.5 from the original
Deuteranopia#0047A7no green cones; the most common form, about 1% of men; ΔE 5.2 from the original
Tritanopia#005E70no blue cones; rare, and affects men and women equally; ΔE 59 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.49:1WCAG large text: AAA
Contrast with black, large text2.47:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 15.5Slate blue · ΔE 16.2Royal blue · ΔE 17.1Midnight blue · ΔE 19.4Rebecca purple · ΔE 19.8Medium purple · ΔE 25.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 15.5, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A98924
Analogous#2487A9, #4724A9
Triadic#A92444, #44A924
Split complementary#A94624, #87A924
Tetradic#A92487, #A98924, #24A946

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ACBCED
Lighter +30%#8299E4
Lighter +20%#5877DB
Lighter +10%#2E55D2
Darker −10%#1B337F
Darker −20%#122255
Darker −30%#09112B
Darker −40%#000001
More saturated +25%#0A37C3
Less saturated −25%#3E518F

Channel breakdown

R36
G68
B169
Red36 (14.1%)
Green68 (26.7%)
Blue169 (66.3%)
Hue225.56°
Saturation (HSL)64.88%
Lightness40.2%
Dominant channelBlue
Hex per channelR 24 · G 44 · B A9

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Every value on this page was computed from “2444a9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.