#657FD0#657FD0

#657FD0 is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.3% C 0.127 H 269.0°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#657FD0
RGB	rgb(101, 127, 208)
HSL	hsl(225, 53%, 61%)
HSV	hsv(225, 51%, 82%)
CMYK	cmyk(51.4%, 38.9%, 0%, 18.4%)
CIE-LAB	lab(54.55, 13.40, -44.77)
CIE-LCH	lch(54.55, 46.73, 286.67°)
OKLab	oklab(61.29% -0.0022 -0.1267)
OKLCH	oklch(61.29% 0.127 269)
XYZ	xyz(24.3377, 22.4979, 62.7223)
Luminance	0.2250 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FD0 #D0B665

analogous

#65B4D0 #657FD0 #8065D0

triadic

#657FD0 #D0657F #7FD065

tetradic

#657FD0 #D065B4 #D0B665 #65D080

square

#657FD0 #D065B4 #D0B665 #65D080

split-complementary

#657FD0 #D08065 #B4D065

monochromatic

#2C448F #3A5ABE #657FD0 #94A6DE #C3CDED

Accessibility & contrast

On white

3.82

#657FD0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#657FD0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FD0

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FD0	#FFFFFF	#000000	##000000
##657FD0	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F88D3

Deuteranopia (green-blind)

#537ECE

Tritanopia (blue-blind)

#34909D

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #657fd0;
/* rgb */ color: rgb(101, 127, 208);
/* oklch */ color: oklch(61.3% 0.127 269.0);

Tailwind

colors: {
  custom: {
    50: '#97a3df',
    500: '#657fd0',
    950: '#000000',
  },
}

SCSS

$custom: #657fd0;
$custom-light: #97a3df;
$custom-dark: #000000;

JSON

{
  "hex": "#657fd0",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 208
  },
  "hsl": {
    "h": 225.421,
    "s": 53.234,
    "l": 60.588
  },
  "oklch": {
    "l": 0.61294,
    "c": 0.12671,
    "h": 269
  },
  "luminance": 0.225
}

Semantic roles & 50–950 ramp

primary

#657FD0

secondary

#DDD3B4

accent

#9B25C1

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #657FD0

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

Preview Lab → · Contrast checker → · Palette generator →