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Recognised as Colour

#366ABF

  • #366ABF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#366ABF is a blue with RGB values 54, 106, 191 and HSL 217°, 56%, 48%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#366ABF#366ABF
HEX#366ABF
RGBrgb(54, 106, 191)
RGB (0–1)0.2118, 0.4157, 0.749
RGB percentages21.2%, 41.6%, 74.9%
HSLhsl(217.2, 55.9%, 48%)
HSV / HSBhsv(217.2, 71.7%, 74.9%)
CMYK71.7%, 44.5%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,566,271
CSS custom property--colour: #366ABF;

Brightness & contrast

Relative luminance0.14854WCAG 2.x, 0 is black and 1 is white
Perceived brightness107.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.29:1
Contrast with white5.29:1WCAG normal text: AA
Contrast with black3.97:1WCAG normal text: Fail
Greyscale equivalent#656565
Inverted#C99540

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4072C2no red cones; affects about 1% of men; ΔE 4.7 from the original
Deuteranopia#2566BDno green cones; the most common form, about 1% of men; ΔE 2.6 from the original
Tritanopia#007E8Bno blue cones; rare, and affects men and women equally; ΔE 49.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.29:1WCAG large text: AAA
Contrast with black, large text3.97:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 16.7Dodgerblue · ΔE 19.6Royal blue · ΔE 21.4Dark slateblue · ΔE 21.8Steel blue · ΔE 24.6Slate blue · ΔE 25.6
Nearest named CSS colourCornflower blue (#6495ED)ΔE 16.67, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BF8B36
Analogous#36AFBF, #4736BF
Triadic#BF366A, #6ABF36
Split complementary#BF4636, #AFBF36
Tetradic#BF36AF, #BF8B36, #36BF46

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CFDCF2
Lighter +30%#A8BFE6
Lighter +20%#80A3DB
Lighter +10%#5886D0
Darker −10%#2B5497
Darker −20%#203E6F
Darker −30%#142848
Darker −40%#091220
More saturated +25%#1763DE
Less saturated −25%#5571A0

Channel breakdown

R54
G106
B191
Red54 (21.2%)
Green106 (41.6%)
Blue191 (74.9%)
Hue217.23°
Saturation (HSL)55.92%
Lightness48.04%
Dominant channelBlue
Hex per channelR 36 · G 6A · B BF

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Every value on this page was computed from “366abf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.