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Colour

#634ED2

  • #634ED2
  • Blue
  • Dark
  • Nearest: Medium slateblue

#634ED2 is a blue with RGB values 99, 78, 210 and HSL 250°, 59%, 56%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#634ED2#634ED2
HEX#634ED2
RGBrgb(99, 78, 210)
RGB (0–1)0.3882, 0.3059, 0.8235
RGB percentages38.8%, 30.6%, 82.4%
HSLhsl(249.5, 59.5%, 56.5%)
HSV / HSBhsv(249.5, 62.9%, 82.4%)
CMYK52.9%, 62.9%, 0%, 17.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,508,242
CSS custom property--colour: #634ED2;

Brightness & contrast

Relative luminance0.12755WCAG 2.x, 0 is black and 1 is white
Perceived brightness107.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.91:1
Contrast with white5.91:1WCAG normal text: AA
Contrast with black3.55:1WCAG normal text: Fail
Greyscale equivalent#5C5C5C
Inverted#9CB12D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0068D6no red cones; affects about 1% of men; ΔE 25.5 from the original
Deuteranopia#0060CFno green cones; the most common form, about 1% of men; ΔE 22.9 from the original
Tritanopia#356E89no blue cones; rare, and affects men and women equally; ΔE 69.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.91:1WCAG large text: AAA
Contrast with black, large text3.55:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 10Slate blue · ΔE 10.9Royal blue · ΔE 17.8Rebecca purple · ΔE 20.6Medium purple · ΔE 20.9Dark orchid · ΔE 22.6
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 10, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BDD24E
Analogous#4E7BD2, #A54ED2
Triadic#D2634E, #4ED263
Split complementary#D2A54E, #7BD24E
Tetradic#D24E7B, #BDD24E, #4ED2A5

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F2F1FB
Lighter +30%#CFC8F1
Lighter +20%#AB9FE7
Lighter +10%#8777DC
Darker −10%#4630BD
Darker −20%#372694
Darker −30%#281B6C
Darker −40%#191143
More saturated +25%#5032EE
Less saturated −25%#766AB6

Channel breakdown

R99
G78
B210
Red99 (38.8%)
Green78 (30.6%)
Blue210 (82.4%)
Hue249.55°
Saturation (HSL)59.46%
Lightness56.47%
Dominant channelBlue
Hex per channelR 63 · G 4E · B D2

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Every value on this page was computed from “634ed2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.