#657BB0#657BB0

#657BB0 is a mid, moderate blue. Relative luminance 0.201; OKLCH L 58.7% C 0.086 H 266.5°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#657BB0
RGB	rgb(101, 123, 176)
HSL	hsl(222, 32%, 54%)
HSV	hsv(222, 43%, 69%)
CMYK	cmyk(42.6%, 30.1%, 0%, 31%)
CIE-LAB	lab(51.91, 6.07, -30.63)
CIE-LCH	lch(51.91, 31.22, 281.21°)
OKLab	oklab(58.75% -0.0052 -0.0856)
OKLCH	oklch(58.75% 0.086 266.5)
XYZ	xyz(20.2838, 20.0661, 43.8702)
Luminance	0.2007 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BB0 #B09A65

analogous

#65A1B0 #657BB0 #7565B0

triadic

#657BB0 #B0657B #7BB065

tetradic

#657BB0 #B065A1 #B09A65 #65B075

square

#657BB0 #B065A1 #B09A65 #65B075

split-complementary

#657BB0 #B07565 #A1B065

monochromatic

#344366 #495E8F #657BB0 #8D9EC5 #B6C0DA

Accessibility & contrast

On white

4.19

#657BB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#657BB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BB0

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BB0	#FFFFFF	#000000	##000000
##657BB0	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#687FB2

Deuteranopia (green-blind)

#6179AF

Tritanopia (blue-blind)

#4B868E

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #657bb0;
/* rgb */ color: rgb(101, 123, 176);
/* oklch */ color: oklch(58.7% 0.086 266.5);

Tailwind

colors: {
  custom: {
    50: '#94a1c8',
    500: '#657bb0',
    950: '#000000',
  },
}

SCSS

$custom: #657bb0;
$custom-light: #94a1c8;
$custom-dark: #000000;

JSON

{
  "hex": "#657bb0",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 176
  },
  "hsl": {
    "h": 222.4,
    "s": 32.189,
    "l": 54.314
  },
  "oklch": {
    "l": 0.58746,
    "c": 0.08578,
    "h": 266.5
  },
  "luminance": 0.20067
}

Semantic roles & 50–950 ramp

primary

#657BB0

secondary

#C8BFA8

accent

#AA5FC8

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0E13

muted

#7E7E82

Preview Lab

Preview with #657BB0

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

Preview Lab → · Contrast checker → · Palette generator →