#657AB2#657AB2

#657AB2 is a mid, moderate blue. Relative luminance 0.199; OKLCH L 58.6% C 0.090 H 267.9°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#657AB2
RGB	rgb(101, 122, 178)
HSL	hsl(224, 33%, 55%)
HSV	hsv(224, 43%, 70%)
CMYK	cmyk(43.3%, 31.5%, 0%, 30.2%)
CIE-LAB	lab(51.72, 7.26, -32.08)
CIE-LCH	lch(51.72, 32.89, 282.75°)
OKLab	oklab(58.63% -0.0033 -0.0898)
OKLCH	oklch(58.63% 0.09 267.9)
XYZ	xyz(20.3597, 19.8990, 44.8789)
Luminance	0.1990 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657AB2 #B29D65

analogous

#65A1B2 #657AB2 #7765B2

triadic

#657AB2 #B2657A #7AB265

tetradic

#657AB2 #B265A1 #B29D65 #65B277

square

#657AB2 #B265A1 #B29D65 #65B277

split-complementary

#657AB2 #B27765 #A1B265

monochromatic

#344268 #495C91 #657AB2 #8E9DC6 #B7C0DB

Accessibility & contrast

On white

4.22

#657AB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#657AB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657AB2

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657AB2	#FFFFFF	#000000	##000000
##657AB2	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#667FB4

Deuteranopia (green-blind)

#5F78B1

Tritanopia (blue-blind)

#4A868E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #657ab2;
/* rgb */ color: rgb(101, 122, 178);
/* oklch */ color: oklch(58.6% 0.090 267.9);

Tailwind

colors: {
  custom: {
    50: '#94a0c9',
    500: '#657ab2',
    950: '#000000',
  },
}

SCSS

$custom: #657ab2;
$custom-light: #94a0c9;
$custom-dark: #000000;

JSON

{
  "hex": "#657ab2",
  "rgb": {
    "r": 101,
    "g": 122,
    "b": 178
  },
  "hsl": {
    "h": 223.636,
    "s": 33.333,
    "l": 54.706
  },
  "oklch": {
    "l": 0.58629,
    "c": 0.08987,
    "h": 267.9
  },
  "luminance": 0.199
}

Semantic roles & 50–950 ramp

primary

#657AB2

secondary

#CAC1A9

accent

#AC5EC9

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0E13

muted

#7E7E82

Preview Lab

Preview with #657AB2

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

Preview Lab → · Contrast checker → · Palette generator →