#657AB3#657AB3

#657AB3 is a mid, moderate blue. Relative luminance 0.199; OKLCH L 58.7% C 0.091 H 268.1°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#657AB3
RGB	rgb(101, 122, 179)
HSL	hsl(224, 34%, 55%)
HSV	hsv(224, 44%, 70%)
CMYK	cmyk(43.6%, 31.8%, 0%, 29.8%)
CIE-LAB	lab(51.77, 7.55, -32.58)
CIE-LCH	lch(51.77, 33.45, 283.05°)
OKLab	oklab(58.68% -0.003 -0.0913)
OKLCH	oklch(58.68% 0.091 268.1)
XYZ	xyz(20.4605, 19.9393, 45.4097)
Luminance	0.1994 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657AB3 #B39E65

analogous

#65A1B3 #657AB3 #7765B3

triadic

#657AB3 #B3657A #7AB365

tetradic

#657AB3 #B365A1 #B39E65 #65B377

square

#657AB3 #B365A1 #B39E65 #65B377

split-complementary

#657AB3 #B37765 #A1B365

monochromatic

#34426A #485C93 #657AB3 #8E9DC7 #B7C1DB

Accessibility & contrast

On white

4.21

#657AB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#657AB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657AB3

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657AB3	#FFFFFF	#000000	##000000
##657AB3	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#667FB5

Deuteranopia (green-blind)

#5E78B2

Tritanopia (blue-blind)

#4A868E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #657ab3;
/* rgb */ color: rgb(101, 122, 179);
/* oklch */ color: oklch(58.7% 0.091 268.1);

Tailwind

colors: {
  custom: {
    50: '#94a0ca',
    500: '#657ab3',
    950: '#000000',
  },
}

SCSS

$custom: #657ab3;
$custom-light: #94a0ca;
$custom-dark: #000000;

JSON

{
  "hex": "#657ab3",
  "rgb": {
    "r": 101,
    "g": 122,
    "b": 179
  },
  "hsl": {
    "h": 223.846,
    "s": 33.913,
    "l": 54.902
  },
  "oklch": {
    "l": 0.58679,
    "c": 0.09132,
    "h": 268.1
  },
  "luminance": 0.1994
}

Semantic roles & 50–950 ramp

primary

#657AB3

secondary

#CAC1A9

accent

#AD5ECA

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0E13

muted

#7E7E82

Preview Lab

Preview with #657AB3

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

Preview Lab → · Contrast checker → · Palette generator →