#657CAB#657CAB

#657CAB is a mid, moderate blue. Relative luminance 0.201; OKLCH L 58.7% C 0.077 H 264.1°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#657CAB
RGB	rgb(101, 124, 171)
HSL	hsl(220, 29%, 53%)
HSV	hsv(220, 41%, 67%)
CMYK	cmyk(40.9%, 27.5%, 0%, 32.9%)
CIE-LAB	lab(51.97, 4.02, -27.64)
CIE-LCH	lch(51.97, 27.93, 278.28°)
OKLab	oklab(58.72% -0.008 -0.077)
OKLCH	oklch(58.72% 0.077 264.1)
XYZ	xyz(19.9229, 20.1212, 41.3542)
Luminance	0.2012 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CAB #AB9465

analogous

#659FAB #657CAB #7165AB

triadic

#657CAB #AB657C #7CAB65

tetradic

#657CAB #AB659F #AB9465 #65AB71

square

#657CAB #AB659F #AB9465 #65AB71

split-complementary

#657CAB #AB7165 #9FAB65

monochromatic

#354361 #4A5F88 #657CAB #8D9EC1 #B4BFD6

Accessibility & contrast

On white

4.18

#657CAB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#657CAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CAB

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CAB	#FFFFFF	#000000	##000000
##657CAB	1.00	4.18	5.02	5.02
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7FAD

Deuteranopia (green-blind)

#6479AA

Tritanopia (blue-blind)

#4D868C

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #657cab;
/* rgb */ color: rgb(101, 124, 171);
/* oklch */ color: oklch(58.7% 0.077 264.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#657cab",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 171
  },
  "hsl": {
    "h": 220.286,
    "s": 29.412,
    "l": 53.333
  },
  "oklch": {
    "l": 0.58722,
    "c": 0.07743,
    "h": 264.1
  },
  "luminance": 0.20122
}

Semantic roles & 50–950 ramp

primary

#657CAB

secondary

#C5BBA7

accent

#A562C6

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0F12

muted

#7E7E81

Preview Lab

Preview with #657CAB

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

Preview Lab → · Contrast checker → · Palette generator →