#657CA0#657CA0

#657CA0 is a mid, moderate blue. Relative luminance 0.197; OKLCH L 58.2% C 0.062 H 259.2°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#657CA0
RGB	rgb(101, 124, 160)
HSL	hsl(217, 24%, 51%)
HSV	hsv(217, 37%, 63%)
CMYK	cmyk(36.9%, 22.5%, 0%, 37.3%)
CIE-LAB	lab(51.52, 0.90, -21.96)
CIE-LCH	lch(51.52, 21.98, 272.36°)
OKLab	oklab(58.22% -0.0116 -0.0608)
OKLCH	oklch(58.22% 0.062 259.2)
XYZ	xyz(18.9177, 19.7192, 36.0603)
Luminance	0.1972 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CA0 #A08965

analogous

#6599A0 #657CA0 #6B65A0

triadic

#657CA0 #A0657C #7CA065

tetradic

#657CA0 #A06599 #A08965 #65A06B

square

#657CA0 #A06599 #A08965 #65A06B

split-complementary

#657CA0 #A06B65 #99A065

monochromatic

#354256 #4C5F7C #657CA0 #8B9CB7 #B1BCCF

Accessibility & contrast

On white

4.25

#657CA0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#657CA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CA0

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CA0	#FFFFFF	#000000	##000000
##657CA0	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7EA2

Deuteranopia (green-blind)

#69789F

Tritanopia (blue-blind)

#528488

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #657ca0;
/* rgb */ color: rgb(101, 124, 160);
/* oklch */ color: oklch(58.2% 0.062 259.2);

Tailwind

colors: {
  custom: {
    50: '#93a1bc',
    500: '#657ca0',
    950: '#000000',
  },
}

SCSS

$custom: #657ca0;
$custom-light: #93a1bc;
$custom-dark: #000000;

JSON

{
  "hex": "#657ca0",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 160
  },
  "hsl": {
    "h": 216.61,
    "s": 23.695,
    "l": 51.176
  },
  "oklch": {
    "l": 0.58215,
    "c": 0.06189,
    "h": 259.2
  },
  "luminance": 0.1972
}

Semantic roles & 50–950 ramp

primary

#657CA0

secondary

#BDB3A3

accent

#9E68C0

background

#F9F9FB

surface

#F1F2F6

border

#CBCCD0

text

#0D0F12

muted

#7E7E81

Preview Lab

Preview with #657CA0

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

Preview Lab → · Contrast checker → · Palette generator →