#6657CD#6657CD

#6657CD is a mid, vivid blue. Relative luminance 0.140; OKLCH L 53.5% C 0.176 H 284.6°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#6657CD
RGB	rgb(102, 87, 205)
HSL	hsl(248, 54%, 57%)
HSV	hsv(248, 58%, 80%)
CMYK	cmyk(50.2%, 57.6%, 0%, 19.6%)
CIE-LAB	lab(44.30, 37.00, -59.46)
CIE-LCH	lch(44.30, 70.03, 301.89°)
OKLab	oklab(53.51% 0.0441 -0.1701)
OKLCH	oklch(53.51% 0.176 284.6)
XYZ	xyz(19.9038, 14.0479, 59.4085)
Luminance	0.1405 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6657CD #BECD57

analogous

#5783CD #6657CD #A157CD

triadic

#6657CD #CD6657 #57CD66

tetradic

#6657CD #CD5783 #BECD57 #57CDA1

square

#6657CD #CD5783 #BECD57 #57CDA1

split-complementary

#6657CD #CDA157 #83CD57

monochromatic

#332783 #4535B2 #6657CD #9186DB #BCB5E9

Accessibility & contrast

On white

5.51

#6657CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#6657CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6657CD

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6657CD	#FFFFFF	#000000	##FFFFFF
##6657CD	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD1

Deuteranopia (green-blind)

#0065CB

Tritanopia (blue-blind)

#3F7289

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #6657cd;
/* rgb */ color: rgb(102, 87, 205);
/* oklch */ color: oklch(53.5% 0.176 284.6);

Tailwind

colors: {
  custom: {
    50: '#9987dd',
    500: '#6657cd',
    950: '#000000',
  },
}

SCSS

$custom: #6657cd;
$custom-light: #9987dd;
$custom-dark: #000000;

JSON

{
  "hex": "#6657cd",
  "rgb": {
    "r": 102,
    "g": 87,
    "b": 205
  },
  "hsl": {
    "h": 247.627,
    "s": 54.128,
    "l": 57.255
  },
  "oklch": {
    "l": 0.53509,
    "c": 0.1757,
    "h": 284.6
  },
  "luminance": 0.14049
}

Semantic roles & 50–950 ramp

primary

#6657CD

secondary

#D2D8A8

accent

#DD4ACB

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0F0B15

muted

#7E7C83

Preview Lab

Preview with #6657CD

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

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