#657BAB#657BAB

#657BAB is a mid, moderate blue. Relative luminance 0.199; OKLCH L 58.5% C 0.079 H 265.1°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#657BAB
RGB	rgb(101, 123, 171)
HSL	hsl(221, 29%, 53%)
HSV	hsv(221, 41%, 67%)
CMYK	cmyk(40.9%, 28.1%, 0%, 32.9%)
CIE-LAB	lab(51.69, 4.62, -28.08)
CIE-LCH	lch(51.69, 28.46, 279.33°)
OKLab	oklab(58.5% -0.0067 -0.0783)
OKLCH	oklch(58.5% 0.079 265.1)
XYZ	xyz(19.7982, 19.8719, 41.3126)
Luminance	0.1987 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BAB #AB9565

analogous

#659EAB #657BAB #7265AB

triadic

#657BAB #AB657B #7BAB65

tetradic

#657BAB #AB659E #AB9565 #65AB72

square

#657BAB #AB659E #AB9565 #65AB72

split-complementary

#657BAB #AB7265 #9EAB65

monochromatic

#354361 #4A5E88 #657BAB #8D9DC1 #B4BFD6

Accessibility & contrast

On white

4.22

#657BAB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#657BAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BAB

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BAB	#FFFFFF	#000000	##000000
##657BAB	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7FAD

Deuteranopia (green-blind)

#6378AA

Tritanopia (blue-blind)

#4E858C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #657bab;
/* rgb */ color: rgb(101, 123, 171);
/* oklch */ color: oklch(58.5% 0.079 265.1);

Tailwind

colors: {
  custom: {
    50: '#93a1c4',
    500: '#657bab',
    950: '#000000',
  },
}

SCSS

$custom: #657bab;
$custom-light: #93a1c4;
$custom-dark: #000000;

JSON

{
  "hex": "#657bab",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 171
  },
  "hsl": {
    "h": 221.143,
    "s": 29.412,
    "l": 53.333
  },
  "oklch": {
    "l": 0.58502,
    "c": 0.07856,
    "h": 265.1
  },
  "luminance": 0.19873
}

Semantic roles & 50–950 ramp

primary

#657BAB

secondary

#C5BBA7

accent

#A662C6

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0E12

muted

#7E7E81

Preview Lab

Preview with #657BAB

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

Preview Lab → · Contrast checker → · Palette generator →