#636EEE#636EEE

#636EEE is a mid, vivid blue. Relative luminance 0.200; OKLCH L 59.7% C 0.190 H 275.3°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#636EEE
RGB	rgb(99, 110, 238)
HSL	hsl(235, 80%, 66%)
HSV	hsv(235, 58%, 93%)
CMYK	cmyk(58.4%, 53.8%, 0%, 6.7%)
CIE-LAB	lab(51.81, 32.91, -66.04)
CIE-LCH	lch(51.81, 73.79, 296.49°)
OKLab	oklab(59.75% 0.0177 -0.1893)
OKLCH	oklch(59.75% 0.19 275.3)
XYZ	xyz(26.1491, 19.9756, 83.3500)
Luminance	0.1998 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636EEE #EEE363

analogous

#63B3EE #636EEE #9D63EE

triadic

#636EEE #EE636E #6EEE63

tetradic

#636EEE #EE63B3 #EEE363 #63EE9D

square

#636EEE #EE63B3 #EEE363 #63EE9D

split-complementary

#636EEE #EE9D63 #B3EE63

monochromatic

#1523C2 #2C3BE8 #636EEE #9AA1F4 #D1D5FA

Accessibility & contrast

On white

4.20

#636EEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#636EEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #636EEE

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636EEE	#FFFFFF	#000000	##000000
##636EEE	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1682F2

Deuteranopia (green-blind)

#0076EB

Tritanopia (blue-blind)

#008CA3

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #636eee;
/* rgb */ color: rgb(99, 110, 238);
/* oklch */ color: oklch(59.7% 0.190 275.3);

Tailwind

colors: {
  custom: {
    50: '#9b97f4',
    500: '#636eee',
    950: '#000000',
  },
}

SCSS

$custom: #636eee;
$custom-light: #9b97f4;
$custom-dark: #000000;

JSON

{
  "hex": "#636eee",
  "rgb": {
    "r": 99,
    "g": 110,
    "b": 238
  },
  "hsl": {
    "h": 235.252,
    "s": 80.347,
    "l": 66.078
  },
  "oklch": {
    "l": 0.59746,
    "c": 0.19017,
    "h": 275.3
  },
  "luminance": 0.19978
}

Semantic roles & 50–950 ramp

primary

#636EEE

secondary

#EDEAC0

accent

#CC09DD

background

#FAF9FF

surface

#F4F2FE

border

#CECCD6

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #636EEE

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

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