#657BC7#657BC7

#657BC7 is a mid, moderate blue. Relative luminance 0.211; OKLCH L 60.0% C 0.119 H 270.3°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#657BC7
RGB	rgb(101, 123, 199)
HSL	hsl(227, 47%, 59%)
HSV	hsv(227, 49%, 78%)
CMYK	cmyk(49.2%, 38.2%, 0%, 22%)
CIE-LAB	lab(53.01, 13.02, -42.10)
CIE-LCH	lch(53.01, 44.07, 287.18°)
OKLab	oklab(59.96% 0.0006 -0.1189)
OKLCH	oklch(59.96% 0.119 270.3)
XYZ	xyz(22.7553, 21.0547, 56.8867)
Luminance	0.2106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BC7 #C7B165

analogous

#65ACC7 #657BC7 #8065C7

triadic

#657BC7 #C7657B #7BC765

tetradic

#657BC7 #C765AC #C7B165 #65C780

square

#657BC7 #C765AC #C7B165 #65C780

split-complementary

#657BC7 #C78065 #ACC765

monochromatic

#2F4282 #4059AF #657BC7 #92A1D7 #BFC8E8

Accessibility & contrast

On white

4.03

#657BC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#657BC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BC7

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BC7	#FFFFFF	#000000	##000000
##657BC7	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E83CA

Deuteranopia (green-blind)

#547BC5

Tritanopia (blue-blind)

#3D8B97

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #657bc7;
/* rgb */ color: rgb(101, 123, 199);
/* oklch */ color: oklch(60.0% 0.119 270.3);

Tailwind

colors: {
  custom: {
    50: '#96a0d8',
    500: '#657bc7',
    950: '#000000',
  },
}

SCSS

$custom: #657bc7;
$custom-light: #96a0d8;
$custom-dark: #000000;

JSON

{
  "hex": "#657bc7",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 199
  },
  "hsl": {
    "h": 226.531,
    "s": 46.667,
    "l": 58.824
  },
  "oklch": {
    "l": 0.59955,
    "c": 0.11892,
    "h": 270.3
  },
  "luminance": 0.21056
}

Semantic roles & 50–950 ramp

primary

#657BC7

secondary

#D7CFB1

accent

#B851D6

background

#F9F9FD

surface

#F2F2FA

border

#CCCCD3

text

#0E0E14

muted

#7E7E83

Preview Lab

Preview with #657BC7

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

Preview Lab → · Contrast checker → · Palette generator →