#634ECF#634ECF

#634ECF is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.9% C 0.190 H 285.1°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#634ECF
RGB	rgb(99, 78, 207)
HSL	hsl(250, 57%, 56%)
HSV	hsv(250, 62%, 81%)
CMYK	cmyk(52.2%, 62.3%, 0%, 18.8%)
CIE-LAB	lab(42.16, 42.31, -64.09)
CIE-LCH	lch(42.16, 76.80, 303.43°)
OKLab	oklab(51.92% 0.0495 -0.1838)
OKLCH	oklch(51.92% 0.19 285.1)
XYZ	xyz(19.1291, 12.6054, 60.4445)
Luminance	0.1261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#634ECF #BACF4E

analogous

#4E7ACF #634ECF #A34ECF

triadic

#634ECF #CF634E #4ECF63

tetradic

#634ECF #CF4E7A #BACF4E #4ECFA3

square

#634ECF #CF4E7A #BACF4E #4ECFA3

split-complementary

#634ECF #CFA34E #7ACF4E

monochromatic

#322380 #4530B0 #634ECF #8D7EDC #B8AEE9

Accessibility & contrast

On white

5.96

#634ECF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#634ECF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #634ECF

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##634ECF	#FFFFFF	#000000	##FFFFFF
##634ECF	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D3

Deuteranopia (green-blind)

#0060CC

Tritanopia (blue-blind)

#386D87

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #634ecf;
/* rgb */ color: rgb(99, 78, 207);
/* oklch */ color: oklch(51.9% 0.190 285.1);

Tailwind

colors: {
  custom: {
    50: '#9881df',
    500: '#634ecf',
    950: '#000000',
  },
}

SCSS

$custom: #634ecf;
$custom-light: #9881df;
$custom-dark: #000000;

JSON

{
  "hex": "#634ecf",
  "rgb": {
    "r": 99,
    "g": 78,
    "b": 207
  },
  "hsl": {
    "h": 249.767,
    "s": 57.333,
    "l": 55.882
  },
  "oklch": {
    "l": 0.51923,
    "c": 0.19037,
    "h": 285.1
  },
  "luminance": 0.12606
}

Semantic roles & 50–950 ramp

primary

#634ECF

secondary

#CED7A2

accent

#E147C8

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0F0A15

muted

#7E7C83

Preview Lab

Preview with #634ECF

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

Preview Lab → · Contrast checker → · Palette generator →