#4657CB#4657CB

#4657CB is a mid, vivid blue. Relative luminance 0.124; OKLCH L 51.1% C 0.179 H 272.1°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#4657CB
RGB	rgb(70, 87, 203)
HSL	hsl(232, 56%, 54%)
HSV	hsv(232, 66%, 80%)
CMYK	cmyk(65.5%, 57.1%, 0%, 20.4%)
CIE-LAB	lab(41.89, 30.58, -62.32)
CIE-LCH	lch(41.89, 69.42, 296.13°)
OKLab	oklab(51.1% 0.0066 -0.1793)
OKLCH	oklch(51.1% 0.179 272.1)
XYZ	xyz(16.7099, 12.4288, 58.0067)
Luminance	0.1243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4657CB #CBBA46

analogous

#4699CB #4657CB #7746CB

triadic

#4657CB #CB4657 #57CB46

tetradic

#4657CB #CB4699 #CBBA46 #46CB77

square

#4657CB #CB4699 #CBBA46 #46CB77

split-complementary

#4657CB #CB7746 #99CB46

monochromatic

#212C76 #2E3EA5 #4657CB #7682D8 #A6AEE6

Accessibility & contrast

On white

6.02

#4657CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#4657CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4657CB

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4657CB	#FFFFFF	#000000	##FFFFFF
##4657CB	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CF

Deuteranopia (green-blind)

#005DC9

Tritanopia (blue-blind)

#007388

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4657cb;
/* rgb */ color: rgb(70, 87, 203);
/* oklch */ color: oklch(51.1% 0.179 272.1);

Tailwind

colors: {
  custom: {
    50: '#8886dc',
    500: '#4657cb',
    950: '#000000',
  },
}

SCSS

$custom: #4657cb;
$custom-light: #8886dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4657cb",
  "rgb": {
    "r": 70,
    "g": 87,
    "b": 203
  },
  "hsl": {
    "h": 232.331,
    "s": 56.118,
    "l": 53.529
  },
  "oklch": {
    "l": 0.51095,
    "c": 0.17947,
    "h": 272.1
  },
  "luminance": 0.1243
}

Semantic roles & 50–950 ramp

primary

#4657CB

secondary

#D3CC9A

accent

#CC48DF

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4657CB

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

Preview Lab → · Contrast checker → · Palette generator →