#657CDC#657CDC

#657CDC is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.4% C 0.147 H 271.3°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#657CDC
RGB	rgb(101, 124, 220)
HSL	hsl(228, 63%, 63%)
HSV	hsv(228, 54%, 86%)
CMYK	cmyk(54.1%, 43.6%, 0%, 13.7%)
CIE-LAB	lab(54.39, 19.01, -51.79)
CIE-LCH	lch(54.39, 55.17, 290.16°)
OKLab	oklab(61.38% 0.0035 -0.1473)
OKLCH	oklch(61.38% 0.147 271.3)
XYZ	xyz(25.4885, 22.3475, 70.6666)
Luminance	0.2235 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CDC #DCC565

analogous

#65B8DC #657CDC #8965DC

triadic

#657CDC #DC657C #7CDC65

tetradic

#657CDC #DC65B8 #DCC565 #65DC89

square

#657CDC #DC65B8 #DCC565 #65DC89

split-complementary

#657CDC #DC8965 #B8DC65

monochromatic

#253DA2 #3352D1 #657CDC #97A6E7 #C9D1F3

Accessibility & contrast

On white

3.84

#657CDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#657CDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CDC

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CDC	#FFFFFF	#000000	##000000
##657CDC	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5288E0

Deuteranopia (green-blind)

#447DDA

Tritanopia (blue-blind)

#2791A1

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #657cdc;
/* rgb */ color: rgb(101, 124, 220);
/* oklch */ color: oklch(61.4% 0.147 271.3);

Tailwind

colors: {
  custom: {
    50: '#99a1e7',
    500: '#657cdc',
    950: '#000000',
  },
}

SCSS

$custom: #657cdc;
$custom-light: #99a1e7;
$custom-dark: #000000;

JSON

{
  "hex": "#657cdc",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 220
  },
  "hsl": {
    "h": 228.403,
    "s": 62.963,
    "l": 62.941
  },
  "oklch": {
    "l": 0.61382,
    "c": 0.14731,
    "h": 271.3
  },
  "luminance": 0.22349
}

Semantic roles & 50–950 ramp

primary

#657CDC

secondary

#E4DCB9

accent

#A91BCB

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #657CDC

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

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