#657EA4#657EA4

#657EA4 is a mid, moderate blue. Relative luminance 0.204; OKLCH L 58.8% C 0.065 H 258.6°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#657EA4
RGB	rgb(101, 126, 164)
HSL	hsl(216, 26%, 52%)
HSV	hsv(216, 38%, 64%)
CMYK	cmyk(38.4%, 23.2%, 0%, 35.7%)
CIE-LAB	lab(52.25, 0.85, -23.16)
CIE-LCH	lch(52.25, 23.17, 272.09°)
OKLab	oklab(58.84% -0.0129 -0.0642)
OKLCH	oklch(58.84% 0.065 258.6)
XYZ	xyz(19.5264, 20.3678, 38.0173)
Luminance	0.2037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EA4 #A48B65

analogous

#659EA4 #657EA4 #6C65A4

triadic

#657EA4 #A4657E #7EA465

tetradic

#657EA4 #A4659E #A48B65 #65A46C

square

#657EA4 #A4659E #A48B65 #65A46C

split-complementary

#657EA4 #A46C65 #9EA465

monochromatic

#35445A #4C6080 #657EA4 #8B9EBB #B2BED1

Accessibility & contrast

On white

4.14

#657EA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#657EA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EA4

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EA4	#FFFFFF	#000000	##000000
##657EA4	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7080A6

Deuteranopia (green-blind)

#6A7AA3

Tritanopia (blue-blind)

#50868B

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #657ea4;
/* rgb */ color: rgb(101, 126, 164);
/* oklch */ color: oklch(58.8% 0.065 258.6);

Tailwind

colors: {
  custom: {
    50: '#93a3bf',
    500: '#657ea4',
    950: '#000000',
  },
}

SCSS

$custom: #657ea4;
$custom-light: #93a3bf;
$custom-dark: #000000;

JSON

{
  "hex": "#657ea4",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 164
  },
  "hsl": {
    "h": 216.19,
    "s": 25.714,
    "l": 51.961
  },
  "oklch": {
    "l": 0.58842,
    "c": 0.06549,
    "h": 258.6
  },
  "luminance": 0.20369
}

Semantic roles & 50–950 ramp

primary

#657EA4

secondary

#C0B5A5

accent

#9D66C2

background

#F9FAFB

surface

#F1F3F7

border

#CBCDD0

text

#0D0F12

muted

#7E7F81

Preview Lab

Preview with #657EA4

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

Preview Lab → · Contrast checker → · Palette generator →