#657BC8#657BC8

#657BC8 is a mid, vivid blue. Relative luminance 0.211; OKLCH L 60.0% C 0.120 H 270.4°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#657BC8
RGB	rgb(101, 123, 200)
HSL	hsl(227, 47%, 59%)
HSV	hsv(227, 50%, 78%)
CMYK	cmyk(49.5%, 38.5%, 0%, 21.6%)
CIE-LAB	lab(53.06, 13.32, -42.59)
CIE-LCH	lch(53.06, 44.63, 287.37°)
OKLab	oklab(60.01% 0.0008 -0.1203)
OKLCH	oklch(60.01% 0.12 270.4)
XYZ	xyz(22.8718, 21.1013, 57.5001)
Luminance	0.2110 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BC8 #C8B265

analogous

#65ADC8 #657BC8 #8165C8

triadic

#657BC8 #C8657B #7BC865

tetradic

#657BC8 #C865AD #C8B265 #65C881

square

#657BC8 #C865AD #C8B265 #65C881

split-complementary

#657BC8 #C88165 #ADC865

monochromatic

#2F4284 #3F58B1 #657BC8 #92A2D8 #BFC8E8

Accessibility & contrast

On white

4.02

#657BC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#657BC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BC8

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BC8	#FFFFFF	#000000	##000000
##657BC8	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)

#5D83CB

Deuteranopia (green-blind)

#537BC6

Tritanopia (blue-blind)

#3C8B98

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #657bc8;
/* rgb */ color: rgb(101, 123, 200);
/* oklch */ color: oklch(60.0% 0.120 270.4);

Tailwind

colors: {
  custom: {
    50: '#96a0d9',
    500: '#657bc8',
    950: '#000000',
  },
}

SCSS

$custom: #657bc8;
$custom-light: #96a0d9;
$custom-dark: #000000;

JSON

{
  "hex": "#657bc8",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 200
  },
  "hsl": {
    "h": 226.667,
    "s": 47.368,
    "l": 59.02
  },
  "oklch": {
    "l": 0.60011,
    "c": 0.12034,
    "h": 270.4
  },
  "luminance": 0.21103
}

Semantic roles & 50–950 ramp

primary

#657BC8

secondary

#D8CFB1

accent

#B951D7

background

#F9F9FD

surface

#F2F2FA

border

#CCCCD3

text

#0E0E14

muted

#7E7E83

Preview Lab

Preview with #657BC8

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

Preview Lab → · Contrast checker → · Palette generator →