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Recognised as Colour

#455CB6

  • #455CB6
  • Blue
  • Dark
  • Nearest: Dark slateblue

#455CB6 is a blue with RGB values 69, 92, 182 and HSL 228°, 45%, 49%. It is a dark colour, so white text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#455CB6#455CB6
HEX#455CB6
RGBrgb(69, 92, 182)
RGB (0–1)0.2706, 0.3608, 0.7137
RGB percentages27.1%, 36.1%, 71.4%
HSLhsl(227.8, 45%, 49.2%)
HSV / HSBhsv(227.8, 62.1%, 71.4%)
CMYK62.1%, 49.5%, 0%, 28.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,545,718
CSS custom property--colour: #455CB6;

Brightness & contrast

Relative luminance0.12297WCAG 2.x, 0 is black and 1 is white
Perceived brightness100.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.07:1
Contrast with white6.07:1WCAG normal text: AA
Contrast with black3.46:1WCAG normal text: Fail
Greyscale equivalent#5E5E5E
Inverted#BAA349

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2D68B9no red cones; affects about 1% of men; ΔE 10.9 from the original
Deuteranopia#155EB4no green cones; the most common form, about 1% of men; ΔE 8.3 from the original
Tritanopia#007180no blue cones; rare, and affects men and women equally; ΔE 53.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.07:1WCAG large text: AAA
Contrast with black, large text3.46:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 15Royal blue · ΔE 17.3Slate blue · ΔE 18.1Medium purple · ΔE 21.5Cornflower blue · ΔE 22.9Dodgerblue · ΔE 24.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 15.02, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B69F45
Analogous#4595B6, #6645B6
Triadic#B6455C, #5CB645
Split complementary#B66745, #94B645
Tetradic#B64595, #B69F45, #45B667

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D7DCF0
Lighter +30%#B2BCE2
Lighter +20%#8D9CD4
Lighter +10%#687BC6
Darker −10%#374991
Darker −20%#29376C
Darker −30%#1B2447
Darker −40%#0D1122
More saturated +25%#2649D5
Less saturated −25%#646F97

Channel breakdown

R69
G92
B182
Red69 (27.1%)
Green92 (36.1%)
Blue182 (71.4%)
Hue227.79°
Saturation (HSL)45.02%
Lightness49.22%
Dominant channelBlue
Hex per channelR 45 · G 5C · B B6

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Every value on this page was computed from “455cb6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.