#657AC8#657AC8

#657AC8 is a mid, vivid blue. Relative luminance 0.209; OKLCH L 59.8% C 0.122 H 271.0°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#657AC8
RGB	rgb(101, 122, 200)
HSL	hsl(227, 47%, 59%)
HSV	hsv(227, 50%, 78%)
CMYK	cmyk(49.5%, 39%, 0%, 21.6%)
CIE-LAB	lab(52.79, 13.93, -43.02)
CIE-LCH	lch(52.79, 45.22, 287.94°)
OKLab	oklab(59.8% 0.002 -0.1216)
OKLCH	oklch(59.8% 0.122 271)
XYZ	xyz(22.7483, 20.8545, 57.4590)
Luminance	0.2086 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657AC8 #C8B365

analogous

#65ACC8 #657AC8 #8265C8

triadic

#657AC8 #C8657A #7AC865

tetradic

#657AC8 #C865AC #C8B365 #65C882

square

#657AC8 #C865AC #C8B365 #65C882

split-complementary

#657AC8 #C88265 #ACC865

monochromatic

#2F4184 #3F57B1 #657AC8 #92A1D8 #BFC8E8

Accessibility & contrast

On white

4.06

#657AC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#657AC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657AC8

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657AC8	#FFFFFF	#000000	##000000
##657AC8	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C83CB

Deuteranopia (green-blind)

#527AC6

Tritanopia (blue-blind)

#3C8B97

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #657ac8;
/* rgb */ color: rgb(101, 122, 200);
/* oklch */ color: oklch(59.8% 0.122 271.0);

Tailwind

colors: {
  custom: {
    50: '#96a0d9',
    500: '#657ac8',
    950: '#000000',
  },
}

SCSS

$custom: #657ac8;
$custom-light: #96a0d9;
$custom-dark: #000000;

JSON

{
  "hex": "#657ac8",
  "rgb": {
    "r": 101,
    "g": 122,
    "b": 200
  },
  "hsl": {
    "h": 227.273,
    "s": 47.368,
    "l": 59.02
  },
  "oklch": {
    "l": 0.59803,
    "c": 0.12162,
    "h": 271
  },
  "luminance": 0.20856
}

Semantic roles & 50–950 ramp

primary

#657AC8

secondary

#D8D0B1

accent

#BB51D7

background

#F9F9FD

surface

#F2F2FA

border

#CCCCD3

text

#0E0E14

muted

#7E7E83

Preview Lab

Preview with #657AC8

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

Preview Lab → · Contrast checker → · Palette generator →