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Recognised as Colour

#286ACD

  • #286ACD
  • Blue
  • Dark
  • Nearest: Royal blue

#286ACD is a blue with RGB values 40, 106, 205 and HSL 216°, 67%, 48%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#286ACD#286ACD
HEX#286ACD
RGBrgb(40, 106, 205)
RGB (0–1)0.1569, 0.4157, 0.8039
RGB percentages15.7%, 41.6%, 80.4%
HSLhsl(216, 67.3%, 48%)
HSV / HSBhsv(216, 80.5%, 80.4%)
CMYK80.5%, 48.3%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,648,781
CSS custom property--colour: #286ACD;

Brightness & contrast

Relative luminance0.15167WCAG 2.x, 0 is black and 1 is white
Perceived brightness108.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.21:1
Contrast with white5.21:1WCAG normal text: AA
Contrast with black4.03:1WCAG normal text: Fail
Greyscale equivalent#636363
Inverted#D79532

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3075D1no red cones; affects about 1% of men; ΔE 6.8 from the original
Deuteranopia#0066CBno green cones; the most common form, about 1% of men; ΔE 2.8 from the original
Tritanopia#008291no blue cones; rare, and affects men and women equally; ΔE 56.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.21:1WCAG large text: AAA
Contrast with black, large text4.03:1WCAG large text: AA

Named colours

Royal blue · ΔE 13.8Dodgerblue · ΔE 15.8Cornflower blue · ΔE 18.8Slate blue · ΔE 20.7Dark slateblue · ΔE 23.8Medium purple · ΔE 24.4
Nearest named CSS colourRoyal blue (#4169E1)ΔE 13.79, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CD8B28
Analogous#28BCCD, #3828CD
Triadic#CD286A, #6ACD28
Split complementary#CD3928, #BCCD28
Tetradic#CD28BD, #CD8B28, #28CD39

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CCDCF5
Lighter +30%#A1BFED
Lighter +20%#77A3E4
Lighter +10%#4C86DC
Darker −10%#2054A2
Darker −20%#173E78
Darker −30%#0F284D
Darker −40%#071222
More saturated +25%#0964EC
Less saturated −25%#4770AE

Channel breakdown

R40
G106
B205
Red40 (15.7%)
Green106 (41.6%)
Blue205 (80.4%)
Hue216°
Saturation (HSL)67.35%
Lightness48.04%
Dominant channelBlue
Hex per channelR 28 · G 6A · B CD

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Every value on this page was computed from “286acd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.