#6657C8#6657C8

#6657C8 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 53.1% C 0.169 H 285.1°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#6657C8
RGB	rgb(102, 87, 200)
HSL	hsl(248, 51%, 56%)
HSV	hsv(248, 57%, 78%)
CMYK	cmyk(49%, 56.5%, 0%, 21.6%)
CIE-LAB	lab(43.96, 35.49, -57.13)
CIE-LCH	lch(43.96, 67.25, 301.85°)
OKLab	oklab(53.15% 0.0441 -0.1632)
OKLCH	oklch(53.15% 0.169 285.1)
XYZ	xyz(19.3099, 13.8104, 56.2806)
Luminance	0.1381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6657C8 #B9C857

analogous

#5781C8 #6657C8 #9F57C8

triadic

#6657C8 #C86657 #57C866

tetradic

#6657C8 #C85781 #B9C857 #57C89F

square

#6657C8 #C85781 #B9C857 #57C89F

split-complementary

#6657C8 #C89F57 #81C857

monochromatic

#34297C #4738AA #6657C8 #9085D7 #BAB3E6

Accessibility & contrast

On white

5.58

#6657C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#6657C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6657C8

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6657C8	#FFFFFF	#000000	##FFFFFF
##6657C8	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#076BCC

Deuteranopia (green-blind)

#0064C6

Tritanopia (blue-blind)

#437087

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #6657c8;
/* rgb */ color: rgb(102, 87, 200);
/* oklch */ color: oklch(53.1% 0.169 285.1);

Tailwind

colors: {
  custom: {
    50: '#9987d9',
    500: '#6657c8',
    950: '#000000',
  },
}

SCSS

$custom: #6657c8;
$custom-light: #9987d9;
$custom-dark: #000000;

JSON

{
  "hex": "#6657c8",
  "rgb": {
    "r": 102,
    "g": 87,
    "b": 200
  },
  "hsl": {
    "h": 247.965,
    "s": 50.673,
    "l": 56.275
  },
  "oklch": {
    "l": 0.53148,
    "c": 0.16907,
    "h": 285.1
  },
  "luminance": 0.13811
}

Semantic roles & 50–950 ramp

primary

#6657C8

secondary

#CED5A6

accent

#DA4EC8

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #6657C8

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

Preview Lab → · Contrast checker → · Palette generator →