#657CB0#657CB0

#657CB0 is a mid, moderate blue. Relative luminance 0.203; OKLCH L 59.0% C 0.085 H 265.6°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#657CB0
RGB	rgb(101, 124, 176)
HSL	hsl(222, 32%, 54%)
HSV	hsv(222, 43%, 69%)
CMYK	cmyk(42.6%, 29.5%, 0%, 31%)
CIE-LAB	lab(52.19, 5.47, -30.19)
CIE-LCH	lch(52.19, 30.68, 280.28°)
OKLab	oklab(58.96% -0.0065 -0.0844)
OKLCH	oklch(58.96% 0.085 265.6)
XYZ	xyz(20.4085, 20.3155, 43.9118)
Luminance	0.2032 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CB0 #B09965

analogous

#65A2B0 #657CB0 #7465B0

triadic

#657CB0 #B0657C #7CB065

tetradic

#657CB0 #B065A2 #B09965 #65B074

square

#657CB0 #B065A2 #B09965 #65B074

split-complementary

#657CB0 #B07465 #A2B065

monochromatic

#344466 #495E8F #657CB0 #8D9EC5 #B6C1DA

Accessibility & contrast

On white

4.15

#657CB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#657CB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CB0

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CB0	#FFFFFF	#000000	##000000
##657CB0	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A80B2

Deuteranopia (green-blind)

#6279AF

Tritanopia (blue-blind)

#4B878E

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #657cb0;
/* rgb */ color: rgb(101, 124, 176);
/* oklch */ color: oklch(59.0% 0.085 265.6);

Tailwind

colors: {
  custom: {
    50: '#94a1c8',
    500: '#657cb0',
    950: '#000000',
  },
}

SCSS

$custom: #657cb0;
$custom-light: #94a1c8;
$custom-dark: #000000;

JSON

{
  "hex": "#657cb0",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 176
  },
  "hsl": {
    "h": 221.6,
    "s": 32.189,
    "l": 54.314
  },
  "oklch": {
    "l": 0.58964,
    "c": 0.08461,
    "h": 265.6
  },
  "luminance": 0.20317
}

Semantic roles & 50–950 ramp

primary

#657CB0

secondary

#C8BFA8

accent

#A85FC8

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0F13

muted

#7E7E82

Preview Lab

Preview with #657CB0

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

Preview Lab → · Contrast checker → · Palette generator →