Nerdulator> put something in

Recognised as Colour

#285EC9

  • #285EC9
  • Blue
  • Dark
  • Nearest: Royal blue

#285EC9 is a blue with RGB values 40, 94, 201 and HSL 220°, 67%, 47%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#285EC9#285EC9
HEX#285EC9
RGBrgb(40, 94, 201)
RGB (0–1)0.1569, 0.3686, 0.7882
RGB percentages15.7%, 36.9%, 78.8%
HSLhsl(219.9, 66.8%, 47.3%)
HSV / HSBhsv(219.9, 80.1%, 78.8%)
CMYK80.1%, 53.2%, 0%, 21.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,645,705
CSS custom property--colour: #285EC9;

Brightness & contrast

Relative luminance0.12674WCAG 2.x, 0 is black and 1 is white
Perceived brightness101.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.94:1
Contrast with white5.94:1WCAG normal text: AA
Contrast with black3.53:1WCAG normal text: Fail
Greyscale equivalent#5A5A5A
Inverted#D7A136

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#056BCDno red cones; affects about 1% of men; ΔE 10 from the original
Deuteranopia#005DC7no green cones; the most common form, about 1% of men; ΔE 2.7 from the original
Tritanopia#00788Ano blue cones; rare, and affects men and women equally; ΔE 60.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.94:1WCAG large text: AAA
Contrast with black, large text3.53:1WCAG large text: AA

Named colours

Royal blue · ΔE 8.7Slate blue · ΔE 15.1Dodgerblue · ΔE 20.8Dark slateblue · ΔE 22.2Medium slateblue · ΔE 22.4Medium purple · ΔE 22.5
Nearest named CSS colourRoyal blue (#4169E1)ΔE 8.65, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C99328
Analogous#28AEC9, #4328C9
Triadic#C9285E, #5EC928
Split complementary#C94328, #AEC928
Tetradic#C928AE, #C99328, #28C943

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C9D7F4
Lighter +30%#9EB8EC
Lighter +20%#7499E3
Lighter +10%#497ADB
Darker −10%#204A9E
Darker −20%#173674
Darker −30%#0F2249
Darker −40%#060E1F
More saturated +25%#0A54E7
Less saturated −25%#4668AB

Channel breakdown

R40
G94
B201
Red40 (15.7%)
Green94 (36.9%)
Blue201 (78.8%)
Hue219.88°
Saturation (HSL)66.8%
Lightness47.25%
Dominant channelBlue
Hex per channelR 28 · G 5E · B C9

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “285ec9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.