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Colour

#284BE7

  • #284BE7
  • Blue
  • Dark
  • Nearest: Medium slateblue

#284BE7 is a blue with RGB values 40, 75, 231 and HSL 229°, 80%, 53%. 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 slateblue.

Colour values

#284BE7#284BE7
HEX#284BE7
RGBrgb(40, 75, 231)
RGB (0–1)0.1569, 0.2941, 0.9059
RGB percentages15.7%, 29.4%, 90.6%
HSLhsl(229, 79.9%, 53.1%)
HSV / HSBhsv(229, 82.7%, 90.6%)
CMYK82.7%, 67.5%, 0%, 9.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,640,871
CSS custom property--colour: #284BE7;

Brightness & contrast

Relative luminance0.11253WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.46:1
Contrast with white6.46:1WCAG normal text: AA
Contrast with black3.25:1WCAG normal text: Fail
Greyscale equivalent#4F4F4F
Inverted#D7B418

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0068ECno red cones; affects about 1% of men; ΔE 21.2 from the original
Deuteranopia#0055E4no green cones; the most common form, about 1% of men; ΔE 9.9 from the original
Tritanopia#007693no blue cones; rare, and affects men and women equally; ΔE 84.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.46:1WCAG large text: AAA
Contrast with black, large text3.25:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 20.5Royal blue · ΔE 25.8Slate blue · ΔE 25.8Blue violet · ΔE 26.1Medium blue · ΔE 28.8Dark blue · ΔE 28.9
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 20.5, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E7C428
Analogous#28ABE7, #6428E7
Triadic#E7284B, #4BE728
Split complementary#E76428, #ABE728
Tetradic#E728AB, #E7C428, #28E764

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E0E5FB
Lighter +30%#B2BEF6
Lighter +20%#8498F1
Lighter +10%#5671EC
Darker −10%#1636C6
Darker −20%#112A98
Darker −30%#0C1D6A
Darker −40%#07113C
More saturated +25%#103CFF
Less saturated −25%#465EC9

Channel breakdown

R40
G75
B231
Red40 (15.7%)
Green75 (29.4%)
Blue231 (90.6%)
Hue229.01°
Saturation (HSL)79.92%
Lightness53.14%
Dominant channelBlue
Hex per channelR 28 · G 4B · B E7

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Every value on this page was computed from “284be7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.