#657EC8#657EC8

#657EC8 is a mid, moderate blue. Relative luminance 0.219; OKLCH L 60.6% C 0.117 H 268.6°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#657EC8
RGB	rgb(101, 126, 200)
HSL	hsl(225, 47%, 59%)
HSV	hsv(225, 50%, 78%)
CMYK	cmyk(49.5%, 37%, 0%, 21.6%)
CIE-LAB	lab(53.87, 11.52, -41.30)
CIE-LCH	lch(53.87, 42.88, 285.58°)
OKLab	oklab(60.64% -0.0028 -0.1166)
OKLCH	oklch(60.64% 0.117 268.6)
XYZ	xyz(23.2496, 21.8570, 57.6261)
Luminance	0.2186 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EC8 #C8AF65

analogous

#65B0C8 #657EC8 #7E65C8

triadic

#657EC8 #C8657E #7EC865

tetradic

#657EC8 #C865B0 #C8AF65 #65C87E

square

#657EC8 #C865B0 #C8AF65 #65C87E

split-complementary

#657EC8 #C87E65 #B0C865

monochromatic

#2F4484 #3F5CB1 #657EC8 #92A4D8 #BFCAE8

Accessibility & contrast

On white

3.91

#657EC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#657EC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EC8

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EC8	#FFFFFF	#000000	##000000
##657EC8	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6285CB

Deuteranopia (green-blind)

#577DC6

Tritanopia (blue-blind)

#3B8E99

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #657ec8;
/* rgb */ color: rgb(101, 126, 200);
/* oklch */ color: oklch(60.6% 0.117 268.6);

Tailwind

colors: {
  custom: {
    50: '#96a3d9',
    500: '#657ec8',
    950: '#000000',
  },
}

SCSS

$custom: #657ec8;
$custom-light: #96a3d9;
$custom-dark: #000000;

JSON

{
  "hex": "#657ec8",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 200
  },
  "hsl": {
    "h": 224.848,
    "s": 47.368,
    "l": 59.02
  },
  "oklch": {
    "l": 0.6064,
    "c": 0.1166,
    "h": 268.6
  },
  "luminance": 0.21859
}

Semantic roles & 50–950 ramp

primary

#657EC8

secondary

#D8CEB1

accent

#B551D7

background

#F9FAFD

surface

#F2F3FA

border

#CCCDD3

text

#0E0F14

muted

#7E7F83

Preview Lab

Preview with #657EC8

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

Preview Lab → · Contrast checker → · Palette generator →