#657EC0#657EC0

#657EC0 is a mid, moderate blue. Relative luminance 0.215; OKLCH L 60.2% C 0.105 H 267.4°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#657EC0
RGB	rgb(101, 126, 192)
HSL	hsl(224, 42%, 57%)
HSV	hsv(224, 47%, 75%)
CMYK	cmyk(47.4%, 34.4%, 0%, 24.7%)
CIE-LAB	lab(53.48, 9.06, -37.36)
CIE-LCH	lch(53.48, 38.44, 283.63°)
OKLab	oklab(60.21% -0.0047 -0.1051)
OKLCH	oklch(60.21% 0.105 267.4)
XYZ	xyz(22.3391, 21.4928, 52.8304)
Luminance	0.2149 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EC0 #C0A765

analogous

#65ACC0 #657EC0 #7965C0

triadic

#657EC0 #C0657E #7EC065

tetradic

#657EC0 #C065AC #C0A765 #65C079

square

#657EC0 #C065AC #C0A765 #65C079

split-complementary

#657EC0 #C07965 #ACC065

monochromatic

#324579 #435EA5 #657EC0 #90A2D2 #BCC7E4

Accessibility & contrast

On white

3.96

#657EC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#657EC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EC0

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EC0	#FFFFFF	#000000	##000000
##657EC0	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6584C3

Deuteranopia (green-blind)

#5C7CBF

Tritanopia (blue-blind)

#418C96

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #657ec0;
/* rgb */ color: rgb(101, 126, 192);
/* oklch */ color: oklch(60.2% 0.105 267.4);

Tailwind

colors: {
  custom: {
    50: '#95a3d3',
    500: '#657ec0',
    950: '#000000',
  },
}

SCSS

$custom: #657ec0;
$custom-light: #95a3d3;
$custom-dark: #000000;

JSON

{
  "hex": "#657ec0",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 192
  },
  "hsl": {
    "h": 223.516,
    "s": 41.935,
    "l": 57.451
  },
  "oklch": {
    "l": 0.6021,
    "c": 0.10519,
    "h": 267.4
  },
  "luminance": 0.21494
}

Semantic roles & 50–950 ramp

primary

#657EC0

secondary

#D3C9AE

accent

#B056D2

background

#F9FAFD

surface

#F2F3FA

border

#CCCDD3

text

#0E0F14

muted

#7E7F83

Preview Lab

Preview with #657EC0

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

Preview Lab → · Contrast checker → · Palette generator →