#657AAB#657AAB

#657AAB is a mid, moderate blue. Relative luminance 0.196; OKLCH L 58.3% C 0.080 H 266.2°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#657AAB
RGB	rgb(101, 122, 171)
HSL	hsl(222, 29%, 53%)
HSV	hsv(222, 41%, 67%)
CMYK	cmyk(40.9%, 28.7%, 0%, 32.9%)
CIE-LAB	lab(51.41, 5.21, -28.52)
CIE-LCH	lch(51.41, 28.99, 280.36°)
OKLab	oklab(58.28% -0.0053 -0.0795)
OKLCH	oklch(58.28% 0.08 266.2)
XYZ	xyz(19.6748, 19.6250, 41.2715)
Luminance	0.1963 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657AAB #AB9665

analogous

#659DAB #657AAB #7365AB

triadic

#657AAB #AB657A #7AAB65

tetradic

#657AAB #AB659D #AB9665 #65AB73

square

#657AAB #AB659D #AB9665 #65AB73

split-complementary

#657AAB #AB7365 #9DAB65

monochromatic

#354261 #4A5D88 #657AAB #8D9CC1 #B4BED6

Accessibility & contrast

On white

4.26

#657AAB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#657AAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657AAB

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657AAB	#FFFFFF	#000000	##000000
##657AAB	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697EAD

Deuteranopia (green-blind)

#6278AA

Tritanopia (blue-blind)

#4E848B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #657aab;
/* rgb */ color: rgb(101, 122, 171);
/* oklch */ color: oklch(58.3% 0.080 266.2);

Tailwind

colors: {
  custom: {
    50: '#93a0c4',
    500: '#657aab',
    950: '#000000',
  },
}

SCSS

$custom: #657aab;
$custom-light: #93a0c4;
$custom-dark: #000000;

JSON

{
  "hex": "#657aab",
  "rgb": {
    "r": 101,
    "g": 122,
    "b": 171
  },
  "hsl": {
    "h": 222,
    "s": 29.412,
    "l": 53.333
  },
  "oklch": {
    "l": 0.58283,
    "c": 0.07972,
    "h": 266.2
  },
  "luminance": 0.19626
}

Semantic roles & 50–950 ramp

primary

#657AAB

secondary

#C5BCA7

accent

#A862C6

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0E12

muted

#7E7E81

Preview Lab

Preview with #657AAB

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

Preview Lab → · Contrast checker → · Palette generator →