#636EEA#636EEA

#636EEA is a mid, vivid blue. Relative luminance 0.197; OKLCH L 59.5% C 0.185 H 275.4°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#636EEA
RGB	rgb(99, 110, 234)
HSL	hsl(235, 76%, 65%)
HSV	hsv(235, 58%, 92%)
CMYK	cmyk(57.7%, 53%, 0%, 8.2%)
CIE-LAB	lab(51.55, 31.62, -64.23)
CIE-LCH	lch(51.55, 71.59, 296.21°)
OKLab	oklab(59.46% 0.0175 -0.184)
OKLCH	oklch(59.46% 0.185 275.4)
XYZ	xyz(25.5680, 19.7431, 80.2894)
Luminance	0.1974 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636EEA #EADF63

analogous

#63B1EA #636EEA #9B63EA

triadic

#636EEA #EA636E #6EEA63

tetradic

#636EEA #EA63B1 #EADF63 #63EA9B

square

#636EEA #EA63B1 #EADF63 #63EA9B

split-complementary

#636EEA #EA9B63 #B1EA63

monochromatic

#1926BA #2D3CE3 #636EEA #99A0F1 #CFD2F9

Accessibility & contrast

On white

4.24

#636EEA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#636EEA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #636EEA

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636EEA	#FFFFFF	#000000	##000000
##636EEA	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2081EE

Deuteranopia (green-blind)

#0075E7

Tritanopia (blue-blind)

#008BA1

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #636eea;
/* rgb */ color: rgb(99, 110, 234);
/* oklch */ color: oklch(59.5% 0.185 275.4);

Tailwind

colors: {
  custom: {
    50: '#9a97f1',
    500: '#636eea',
    950: '#000000',
  },
}

SCSS

$custom: #636eea;
$custom-light: #9a97f1;
$custom-dark: #000000;

JSON

{
  "hex": "#636eea",
  "rgb": {
    "r": 99,
    "g": 110,
    "b": 234
  },
  "hsl": {
    "h": 235.111,
    "s": 76.271,
    "l": 65.294
  },
  "oklch": {
    "l": 0.59464,
    "c": 0.18484,
    "h": 275.4
  },
  "luminance": 0.19745
}

Semantic roles & 50–950 ramp

primary

#636EEA

secondary

#EBE7BE

accent

#C80DD8

background

#FAF9FE

surface

#F4F2FD

border

#CECCD5

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #636EEA

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →