#657BCC#657BCC

#657BCC is a mid, vivid blue. Relative luminance 0.213; OKLCH L 60.2% C 0.126 H 270.8°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#657BCC
RGB	rgb(101, 123, 204)
HSL	hsl(227, 50%, 60%)
HSV	hsv(227, 50%, 80%)
CMYK	cmyk(50.5%, 39.7%, 0%, 20%)
CIE-LAB	lab(53.27, 14.57, -44.54)
CIE-LCH	lch(53.27, 46.86, 288.11°)
OKLab	oklab(60.24% 0.0017 -0.126)
OKLCH	oklch(60.24% 0.126 270.8)
XYZ	xyz(23.3454, 21.2907, 59.9944)
Luminance	0.2129 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BCC #CCB665

analogous

#65AFCC #657BCC #8265CC

triadic

#657BCC #CC657B #7BCC65

tetradic

#657BCC #CC65AF #CCB665 #65CC82

square

#657BCC #CC65AF #CCB665 #65CC82

split-complementary

#657BCC #CC8265 #AFCC65

monochromatic

#2D4189 #3D57B7 #657BCC #93A2DB #C1CAEA

Accessibility & contrast

On white

3.99

#657BCC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.26

#657BCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BCC

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BCC	#FFFFFF	#000000	##000000
##657BCC	1.00	3.99	5.26	5.26
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.26	21.00	1.00	1.00
##000000	5.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B84CF

Deuteranopia (green-blind)

#507BCA

Tritanopia (blue-blind)

#398C9A

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #657bcc;
/* rgb */ color: rgb(101, 123, 204);
/* oklch */ color: oklch(60.2% 0.126 270.8);

Tailwind

colors: {
  custom: {
    50: '#97a0dc',
    500: '#657bcc',
    950: '#000000',
  },
}

SCSS

$custom: #657bcc;
$custom-light: #97a0dc;
$custom-dark: #000000;

JSON

{
  "hex": "#657bcc",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 204
  },
  "hsl": {
    "h": 227.184,
    "s": 50.244,
    "l": 59.804
  },
  "oklch": {
    "l": 0.60237,
    "c": 0.12605,
    "h": 270.8
  },
  "luminance": 0.21292
}

Semantic roles & 50–950 ramp

primary

#657BCC

secondary

#DAD2B2

accent

#BC4EDA

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #657BCC

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

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