#657EBC#657EBC

#657EBC is a mid, moderate blue. Relative luminance 0.213; OKLCH L 60.0% C 0.099 H 266.7°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#657EBC
RGB	rgb(101, 126, 188)
HSL	hsl(223, 39%, 57%)
HSV	hsv(223, 46%, 74%)
CMYK	cmyk(46.3%, 33%, 0%, 26.3%)
CIE-LAB	lab(53.30, 7.85, -35.37)
CIE-LCH	lch(53.30, 36.23, 282.51°)
OKLab	oklab(60% -0.0057 -0.0993)
OKLCH	oklch(60% 0.099 266.7)
XYZ	xyz(21.9019, 21.3179, 50.5279)
Luminance	0.2132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EBC #BCA365

analogous

#65AABC #657EBC #7865BC

triadic

#657EBC #BC657E #7EBC65

tetradic

#657EBC #BC65AA #BCA365 #65BC78

square

#657EBC #BC65AA #BCA365 #65BC78

split-complementary

#657EBC #BC7865 #AABC65

monochromatic

#334574 #455F9F #657EBC #90A2CF #BAC5E1

Accessibility & contrast

On white

3.99

#657EBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.26

#657EBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EBC

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EBC	#FFFFFF	#000000	##000000
##657EBC	1.00	3.99	5.26	5.26
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.26	21.00	1.00	1.00
##000000	5.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6783BF

Deuteranopia (green-blind)

#5E7CBB

Tritanopia (blue-blind)

#448B94

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #657ebc;
/* rgb */ color: rgb(101, 126, 188);
/* oklch */ color: oklch(60.0% 0.099 266.7);

Tailwind

colors: {
  custom: {
    50: '#95a3d0',
    500: '#657ebc',
    950: '#000000',
  },
}

SCSS

$custom: #657ebc;
$custom-light: #95a3d0;
$custom-dark: #000000;

JSON

{
  "hex": "#657ebc",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 188
  },
  "hsl": {
    "h": 222.759,
    "s": 39.367,
    "l": 56.667
  },
  "oklch": {
    "l": 0.60001,
    "c": 0.09947,
    "h": 266.7
  },
  "luminance": 0.21319
}

Semantic roles & 50–950 ramp

primary

#657EBC

secondary

#D0C6AD

accent

#AD59CF

background

#F9FAFC

surface

#F2F3F9

border

#CCCDD2

text

#0E0F14

muted

#7E7F82

Preview Lab

Preview with #657EBC

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

Preview Lab → · Contrast checker → · Palette generator →