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Colour

#1848A9

  • #1848A9
  • Blue
  • Dark
  • Nearest: Dark slateblue

#1848A9 is a blue with RGB values 24, 72, 169 and HSL 220°, 75%, 38%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#1848A9#1848A9
HEX#1848A9
RGBrgb(24, 72, 169)
RGB (0–1)0.0941, 0.2824, 0.6627
RGB percentages9.4%, 28.2%, 66.3%
HSLhsl(220.1, 75.1%, 37.8%)
HSV / HSBhsv(220.1, 85.8%, 66.3%)
CMYK85.8%, 57.4%, 0%, 33.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,591,465
CSS custom property--colour: #1848A9;

Brightness & contrast

Relative luminance0.07693WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.4 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#454545
Inverted#E7B756

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0055ACno red cones; affects about 1% of men; ΔE 10.3 from the original
Deuteranopia#0048A7no green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#006071no blue cones; rare, and affects men and women equally; ΔE 56.4 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

Dark slateblue · ΔE 15Royal blue · ΔE 17.5Slate blue · ΔE 18.3Midnight blue · ΔE 21Rebecca purple · ΔE 22.6Medium purple · ΔE 26.8
Nearest named CSS colourDark slateblue (#483D8B)ΔE 14.99, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A97918
Analogous#1890A9, #3118A9
Triadic#A91848, #48A918
Split complementary#A93118, #90A918
Tetradic#A91890, #A97918, #18A931

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9CB8F1
Lighter +30%#6F98EB
Lighter +20%#4378E4
Lighter +10%#1E5BD6
Darker −10%#12357C
Darker −20%#0B2250
Darker −30%#050F23
Darker −40%#000000
More saturated +25%#0040C1
Less saturated −25%#305091

Channel breakdown

R24
G72
B169
Red24 (9.4%)
Green72 (28.2%)
Blue169 (66.3%)
Hue220.14°
Saturation (HSL)75.13%
Lightness37.84%
Dominant channelBlue
Hex per channelR 18 · G 48 · B A9

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Every value on this page was computed from “1848a9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.