#657EB7#657EB7

#657EB7 is a mid, moderate blue. Relative luminance 0.211; OKLCH L 59.7% C 0.092 H 265.6°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#657EB7
RGB	rgb(101, 126, 183)
HSL	hsl(222, 36%, 56%)
HSV	hsv(222, 45%, 72%)
CMYK	cmyk(44.8%, 31.1%, 0%, 28.2%)
CIE-LAB	lab(53.07, 6.35, -32.86)
CIE-LCH	lch(53.07, 33.47, 280.94°)
OKLab	oklab(59.75% -0.0071 -0.0921)
OKLCH	oklch(59.75% 0.092 265.6)
XYZ	xyz(21.3722, 21.1061, 47.7383)
Luminance	0.2111 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EB7 #B79E65

analogous

#65A7B7 #657EB7 #7565B7

triadic

#657EB7 #B7657E #7EB765

tetradic

#657EB7 #B765A7 #B79E65 #65B775

square

#657EB7 #B765A7 #B79E65 #65B775

split-complementary

#657EB7 #B77565 #A7B765

monochromatic

#33456E #476098 #657EB7 #8FA1CA #B8C4DE

Accessibility & contrast

On white

4.02

#657EB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#657EB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EB7

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EB7	#FFFFFF	#000000	##000000
##657EB7	1.00	4.02	5.22	5.22
#FFFFFF	4.02	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)

#6983B9

Deuteranopia (green-blind)

#617BB6

Tritanopia (blue-blind)

#478A92

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #657eb7;
/* rgb */ color: rgb(101, 126, 183);
/* oklch */ color: oklch(59.7% 0.092 265.6);

Tailwind

colors: {
  custom: {
    50: '#95a3cd',
    500: '#657eb7',
    950: '#000000',
  },
}

SCSS

$custom: #657eb7;
$custom-light: #95a3cd;
$custom-dark: #000000;

JSON

{
  "hex": "#657eb7",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 183
  },
  "hsl": {
    "h": 221.707,
    "s": 36.283,
    "l": 55.686
  },
  "oklch": {
    "l": 0.59747,
    "c": 0.09232,
    "h": 265.6
  },
  "luminance": 0.21107
}

Semantic roles & 50–950 ramp

primary

#657EB7

secondary

#CDC3AB

accent

#AA5CCC

background

#F9FAFC

surface

#F2F3F9

border

#CCCDD2

text

#0D0F13

muted

#7E7F82

Preview Lab

Preview with #657EB7

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

Preview Lab → · Contrast checker → · Palette generator →