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Recognised as Colour

#1855A2

  • #1855A2
  • Blue
  • Dark
  • Nearest: Dark slateblue

#1855A2 is a blue with RGB values 24, 85, 162 and HSL 213°, 74%, 36%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#1855A2#1855A2
HEX#1855A2
RGBrgb(24, 85, 162)
RGB (0–1)0.0941, 0.3333, 0.6353
RGB percentages9.4%, 33.3%, 63.5%
HSLhsl(213.5, 74.2%, 36.5%)
HSV / HSBhsv(213.5, 85.2%, 63.5%)
CMYK85.2%, 47.5%, 0%, 36.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,594,786
CSS custom property--colour: #1855A2;

Brightness & contrast

Relative luminance0.093WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.34:1
Contrast with white7.34:1WCAG normal text: AAA
Contrast with black2.86:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#E7AA5D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2A5DA5no red cones; affects about 1% of men; ΔE 4.9 from the original
Deuteranopia#0050A0no green cones; the most common form, about 1% of men; ΔE 3.1 from the original
Tritanopia#006873no blue cones; rare, and affects men and women equally; ΔE 46.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.34:1WCAG large text: AAA
Contrast with black, large text2.86:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 17.1Cornflower blue · ΔE 25.5Steel blue · ΔE 26.2Royal blue · ΔE 26.6Dodgerblue · ΔE 28.1Slate blue · ΔE 29
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.14, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A26518
Analogous#189AA2, #2018A2
Triadic#A21855, #55A218
Split complementary#A22018, #9AA218
Tetradic#A2189A, #A26518, #18A220

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#96BEF0
Lighter +30%#6AA2E9
Lighter +20%#3E86E2
Lighter +10%#1F6CCE
Darker −10%#113E76
Darker −20%#0B2649
Darker −30%#040F1D
Darker −40%#000000
More saturated +25%#0152B9
Less saturated −25%#2F588B

Channel breakdown

R24
G85
B162
Red24 (9.4%)
Green85 (33.3%)
Blue162 (63.5%)
Hue213.48°
Saturation (HSL)74.19%
Lightness36.47%
Dominant channelBlue
Hex per channelR 18 · G 55 · B A2

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Every value on this page was computed from “1855a2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.