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Recognised as Colour

#635DC2

  • #635DC2
  • Blue
  • Dark
  • Nearest: Slate blue

#635DC2 is a blue with RGB values 99, 93, 194 and HSL 244°, 45%, 56%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#635DC2#635DC2
HEX#635DC2
RGBrgb(99, 93, 194)
RGB (0–1)0.3882, 0.3647, 0.7608
RGB percentages38.8%, 36.5%, 76.1%
HSLhsl(243.6, 45.3%, 56.3%)
HSV / HSBhsv(243.6, 52.1%, 76.1%)
CMYK49%, 52.1%, 0%, 23.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,512,066
CSS custom property--colour: #635DC2;

Brightness & contrast

Relative luminance0.14376WCAG 2.x, 0 is black and 1 is white
Perceived brightness110.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.42:1
Contrast with white5.42:1WCAG normal text: AA
Contrast with black3.88:1WCAG normal text: Fail
Greyscale equivalent#666666
Inverted#9CA23D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2B6DC6no red cones; affects about 1% of men; ΔE 18.4 from the original
Deuteranopia#2366C0no green cones; the most common form, about 1% of men; ΔE 17 from the original
Tritanopia#407386no blue cones; rare, and affects men and women equally; ΔE 54.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.42:1WCAG large text: AAA
Contrast with black, large text3.88:1WCAG large text: AA

Named colours

Slate blue · ΔE 8.6Medium purple · ΔE 12.8Royal blue · ΔE 13.6Dark slateblue · ΔE 17.6Rebecca purple · ΔE 18.7Medium slateblue · ΔE 19
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 8.6, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BCC25D
Analogous#5D8AC2, #955DC2
Triadic#C2635D, #5DC263
Split complementary#C2965D, #8AC25D
Tetradic#C25D8A, #BCC25D, #5DC295

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F2F1FA
Lighter +30%#CECCEC
Lighter +20%#AAA7DE
Lighter +10%#8782D0
Darker −10%#4741AB
Darker −20%#383386
Darker −30%#282561
Darker −40%#19173C
More saturated +25%#4A41DE
Less saturated −25%#7C79A6

Channel breakdown

R99
G93
B194
Red99 (38.8%)
Green93 (36.5%)
Blue194 (76.1%)
Hue243.56°
Saturation (HSL)45.29%
Lightness56.27%
Dominant channelBlue
Hex per channelR 63 · G 5D · B C2

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Every value on this page was computed from “635dc2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.