#657CA5#657CA5

#657CA5 is a mid, moderate blue. Relative luminance 0.199; OKLCH L 58.4% C 0.069 H 261.7°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#657CA5
RGB	rgb(101, 124, 165)
HSL	hsl(218, 26%, 52%)
HSV	hsv(218, 39%, 65%)
CMYK	cmyk(38.8%, 24.8%, 0%, 35.3%)
CIE-LAB	lab(51.72, 2.31, -24.56)
CIE-LCH	lch(51.72, 24.66, 275.36°)
OKLab	oklab(58.44% -0.0099 -0.0682)
OKLCH	oklch(58.44% 0.069 261.7)
XYZ	xyz(19.3639, 19.8977, 38.4103)
Luminance	0.1990 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CA5 #A58E65

analogous

#659CA5 #657CA5 #6E65A5

triadic

#657CA5 #A5657C #7CA565

tetradic

#657CA5 #A5659C #A58E65 #65A56E

square

#657CA5 #A5659C #A58E65 #65A56E

split-complementary

#657CA5 #A56E65 #9CA565

monochromatic

#35435B #4C5F81 #657CA5 #8C9DBC #B2BED2

Accessibility & contrast

On white

4.22

#657CA5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#657CA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CA5

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CA5	#FFFFFF	#000000	##000000
##657CA5	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)

#6E7FA7

Deuteranopia (green-blind)

#6779A4

Tritanopia (blue-blind)

#50858A

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #657ca5;
/* rgb */ color: rgb(101, 124, 165);
/* oklch */ color: oklch(58.4% 0.069 261.7);

Tailwind

colors: {
  custom: {
    50: '#93a1bf',
    500: '#657ca5',
    950: '#000000',
  },
}

SCSS

$custom: #657ca5;
$custom-light: #93a1bf;
$custom-dark: #000000;

JSON

{
  "hex": "#657ca5",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 165
  },
  "hsl": {
    "h": 218.438,
    "s": 26.23,
    "l": 52.157
  },
  "oklch": {
    "l": 0.58441,
    "c": 0.0689,
    "h": 261.7
  },
  "luminance": 0.19899
}

Semantic roles & 50–950 ramp

primary

#657CA5

secondary

#C1B7A5

accent

#A165C3

background

#F9F9FB

surface

#F1F2F7

border

#CBCCD0

text

#0D0F12

muted

#7E7E81

Preview Lab

Preview with #657CA5

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

Preview Lab → · Contrast checker → · Palette generator →