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Recognised as Colour

#283EFF

  • #283EFF
  • Blue
  • Dark
  • Nearest: Medium blue

#283EFF is a blue with RGB values 40, 62, 255 and HSL 234°, 100%, 58%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Medium blue.

Colour values

#283EFF#283EFF
HEX#283EFF
RGBrgb(40, 62, 255)
RGB (0–1)0.1569, 0.2431, 1
RGB percentages15.7%, 24.3%, 100%
HSLhsl(233.9, 100%, 57.8%)
HSV / HSBhsv(233.9, 84.3%, 100%)
CMYK84.3%, 75.7%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,637,567
CSS custom property--colour: #283EFF;

Brightness & contrast

Relative luminance0.11116WCAG 2.x, 0 is black and 1 is white
Perceived brightness100.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.52:1
Contrast with white6.52:1WCAG normal text: AA
Contrast with black3.22:1WCAG normal text: Fail
Greyscale equivalent#474747
Inverted#D7C100

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0068FFno red cones; affects about 1% of men; ΔE 31 from the original
Deuteranopia#0053FCno green cones; the most common form, about 1% of men; ΔE 16.2 from the original
Tritanopia#00799Dno blue cones; rare, and affects men and women equally; ΔE 101.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.52:1WCAG large text: AAA
Contrast with black, large text3.22:1WCAG large text: AA

Named colours

Medium blue · ΔE 16.8Blue violet · ΔE 22.9Blue · ΔE 24Dark violet · ΔE 29.8Dark orchid · ΔE 35.8Medium slateblue · ΔE 37.6
Nearest named CSS colourMedium blue (#0000CD)ΔE 16.84, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFE928
Analogous#28A9FF, #7E28FF
Triadic#FF283E, #3EFF28
Split complementary#FF7E28, #A9FF28
Tetradic#FF28A9, #FFE928, #28FF7E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F4F5FF
Lighter +30%#C1C7FF
Lighter +20%#8E9AFF
Lighter +10%#5B6CFF
Darker −10%#0019F4
Darker −20%#0014C1
Darker −30%#000F8E
Darker −40%#00095B
More saturated +25%#283EFF
Less saturated −25%#4353E4

Channel breakdown

R40
G62
B255
Red40 (15.7%)
Green62 (24.3%)
Blue255 (100%)
Hue233.86°
Saturation (HSL)100%
Lightness57.84%
Dominant channelBlue
Hex per channelR 28 · G 3E · B FF

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Every value on this page was computed from “283eff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.