#657CD9#657CD9

#657CD9 is a mid, vivid blue. Relative luminance 0.222; OKLCH L 61.2% C 0.143 H 271.2°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#657CD9
RGB	rgb(101, 124, 217)
HSL	hsl(228, 60%, 62%)
HSV	hsv(228, 53%, 85%)
CMYK	cmyk(53.5%, 42.9%, 0%, 14.9%)
CIE-LAB	lab(54.23, 18.06, -50.37)
CIE-LCH	lch(54.23, 53.51, 289.72°)
OKLab	oklab(61.2% 0.003 -0.1431)
OKLCH	oklch(61.2% 0.143 271.2)
XYZ	xyz(25.0948, 22.1900, 68.5929)
Luminance	0.2219 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CD9 #D9C265

analogous

#65B6D9 #657CD9 #8865D9

triadic

#657CD9 #D9657C #7CD965

tetradic

#657CD9 #D965B6 #D9C265 #65D988

square

#657CD9 #D965B6 #D9C265 #65D988

split-complementary

#657CD9 #D98865 #B6D965

monochromatic

#273E9D #3452CD #657CD9 #96A6E5 #C7D0F1

Accessibility & contrast

On white

3.86

#657CD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#657CD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CD9

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CD9	#FFFFFF	#000000	##000000
##657CD9	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5587DD

Deuteranopia (green-blind)

#477DD7

Tritanopia (blue-blind)

#2B90A0

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #657cd9;
/* rgb */ color: rgb(101, 124, 217);
/* oklch */ color: oklch(61.2% 0.143 271.2);

Tailwind

colors: {
  custom: {
    50: '#98a1e5',
    500: '#657cd9',
    950: '#000000',
  },
}

SCSS

$custom: #657cd9;
$custom-light: #98a1e5;
$custom-dark: #000000;

JSON

{
  "hex": "#657cd9",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 217
  },
  "hsl": {
    "h": 228.103,
    "s": 60.417,
    "l": 62.353
  },
  "oklch": {
    "l": 0.61201,
    "c": 0.14312,
    "h": 271.2
  },
  "luminance": 0.22192
}

Semantic roles & 50–950 ramp

primary

#657CD9

secondary

#E2DAB8

accent

#A61DC8

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #657CD9

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

Preview Lab → · Contrast checker → · Palette generator →