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Recognised as Colour

#2855BD

  • #2855BD
  • Blue
  • Dark
  • Nearest: Royal blue

#2855BD is a blue with RGB values 40, 85, 189 and HSL 222°, 65%, 45%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#2855BD#2855BD
HEX#2855BD
RGBrgb(40, 85, 189)
RGB (0–1)0.1569, 0.3333, 0.7412
RGB percentages15.7%, 33.3%, 74.1%
HSLhsl(221.9, 65.1%, 44.9%)
HSV / HSBhsv(221.9, 78.8%, 74.1%)
CMYK78.8%, 55%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,643,389
CSS custom property--colour: #2855BD;

Brightness & contrast

Relative luminance0.10622WCAG 2.x, 0 is black and 1 is white
Perceived brightness93.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.72:1
Contrast with white6.72:1WCAG normal text: AA
Contrast with black3.12:1WCAG normal text: Fail
Greyscale equivalent#535353
Inverted#D7AA42

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0063C1no red cones; affects about 1% of men; ΔE 11.1 from the original
Deuteranopia#0055BBno green cones; the most common form, about 1% of men; ΔE 3.4 from the original
Tritanopia#006F80no blue cones; rare, and affects men and women equally; ΔE 60.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.72:1WCAG large text: AAA
Contrast with black, large text3.12:1WCAG large text: AA

Named colours

Royal blue · ΔE 11.4Slate blue · ΔE 14.7Dark slateblue · ΔE 19.1Medium purple · ΔE 23.1Medium slateblue · ΔE 23.4Rebecca purple · ΔE 24.1
Nearest named CSS colourRoyal blue (#4169E1)ΔE 11.38, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BD9028
Analogous#28A0BD, #4528BD
Triadic#BD2855, #55BD28
Split complementary#BD4528, #A0BD28
Tetradic#BD28A0, #BD9028, #28BD45

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BFCFF2
Lighter +30%#95AFE9
Lighter +20%#6B8EE0
Lighter +10%#416ED7
Darker −10%#1F4293
Darker −20%#162F69
Darker −30%#0D1C3F
Darker −40%#040915
More saturated +25%#0B4ADA
Less saturated −25%#4560A0

Channel breakdown

R40
G85
B189
Red40 (15.7%)
Green85 (33.3%)
Blue189 (74.1%)
Hue221.88°
Saturation (HSL)65.07%
Lightness44.9%
Dominant channelBlue
Hex per channelR 28 · G 55 · B BD

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Every value on this page was computed from “2855bd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.