#657FCC#657FCC

#657FCC is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.1% C 0.121 H 268.6°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#657FCC
RGB	rgb(101, 127, 204)
HSL	hsl(225, 50%, 60%)
HSV	hsv(225, 50%, 80%)
CMYK	cmyk(50.5%, 37.7%, 0%, 20%)
CIE-LAB	lab(54.35, 12.15, -42.83)
CIE-LCH	lch(54.35, 44.52, 285.84°)
OKLab	oklab(61.07% -0.0031 -0.121)
OKLCH	oklch(61.07% 0.121 268.6)
XYZ	xyz(23.8517, 22.3035, 60.1632)
Luminance	0.2230 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FCC #CCB265

analogous

#65B3CC #657FCC #7E65CC

triadic

#657FCC #CC657F #7FCC65

tetradic

#657FCC #CC65B3 #CCB265 #65CC7E

square

#657FCC #CC65B3 #CCB265 #65CC7E

split-complementary

#657FCC #CC7E65 #B3CC65

monochromatic

#2D4589 #3D5CB7 #657FCC #93A5DB #C1CBEA

Accessibility & contrast

On white

3.85

#657FCC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#657FCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FCC

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FCC	#FFFFFF	#000000	##000000
##657FCC	1.00	3.85	5.46	5.46
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6187CF

Deuteranopia (green-blind)

#567ECA

Tritanopia (blue-blind)

#388F9C

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #657fcc;
/* rgb */ color: rgb(101, 127, 204);
/* oklch */ color: oklch(61.1% 0.121 268.6);

Tailwind

colors: {
  custom: {
    50: '#97a3dc',
    500: '#657fcc',
    950: '#000000',
  },
}

SCSS

$custom: #657fcc;
$custom-light: #97a3dc;
$custom-dark: #000000;

JSON

{
  "hex": "#657fcc",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 204
  },
  "hsl": {
    "h": 224.854,
    "s": 50.244,
    "l": 59.804
  },
  "oklch": {
    "l": 0.6107,
    "c": 0.12105,
    "h": 268.6
  },
  "luminance": 0.22305
}

Semantic roles & 50–950 ramp

primary

#657FCC

secondary

#DAD0B2

accent

#B64EDA

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #657FCC

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

Preview Lab → · Contrast checker → · Palette generator →