#657FB0#657FB0

#657FB0 is a mid, moderate blue. Relative luminance 0.211; OKLCH L 59.6% C 0.081 H 262.6°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#657FB0
RGB	rgb(101, 127, 176)
HSL	hsl(219, 32%, 54%)
HSV	hsv(219, 43%, 69%)
CMYK	cmyk(42.6%, 27.8%, 0%, 31%)
CIE-LAB	lab(53.04, 3.69, -28.88)
CIE-LCH	lch(53.04, 29.12, 277.29°)
OKLab	oklab(59.62% -0.0104 -0.0806)
OKLCH	oklch(59.62% 0.081 262.6)
XYZ	xyz(20.7902, 21.0789, 44.0390)
Luminance	0.2108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FB0 #B09665

analogous

#65A5B0 #657FB0 #7165B0

triadic

#657FB0 #B0657F #7FB065

tetradic

#657FB0 #B065A5 #B09665 #65B071

square

#657FB0 #B065A5 #B09665 #65B071

split-complementary

#657FB0 #B07165 #A5B065

monochromatic

#344666 #49618F #657FB0 #8DA1C5 #B6C2DA

Accessibility & contrast

On white

4.03

#657FB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#657FB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FB0

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FB0	#FFFFFF	#000000	##000000
##657FB0	1.00	4.03	5.22	5.22
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D82B2

Deuteranopia (green-blind)

#657BAF

Tritanopia (blue-blind)

#4B8990

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #657fb0;
/* rgb */ color: rgb(101, 127, 176);
/* oklch */ color: oklch(59.6% 0.081 262.6);

Tailwind

colors: {
  custom: {
    50: '#94a3c7',
    500: '#657fb0',
    950: '#000000',
  },
}

SCSS

$custom: #657fb0;
$custom-light: #94a3c7;
$custom-dark: #000000;

JSON

{
  "hex": "#657fb0",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 176
  },
  "hsl": {
    "h": 219.2,
    "s": 32.189,
    "l": 54.314
  },
  "oklch": {
    "l": 0.59622,
    "c": 0.08125,
    "h": 262.6
  },
  "luminance": 0.2108
}

Semantic roles & 50–950 ramp

primary

#657FB0

secondary

#C8BDA8

accent

#A45FC8

background

#F9FAFC

surface

#F2F3F8

border

#CCCDD1

text

#0D0F13

muted

#7E7F82

Preview Lab

Preview with #657FB0

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

Preview Lab → · Contrast checker → · Palette generator →