#4357C8#4357C8

#4357C8 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.7% C 0.176 H 271.1°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#4357C8
RGB	rgb(67, 87, 200)
HSL	hsl(231, 55%, 52%)
HSV	hsv(231, 67%, 78%)
CMYK	cmyk(66.5%, 56.5%, 0%, 21.6%)
CIE-LAB	lab(41.50, 29.07, -61.23)
CIE-LCH	lch(41.50, 67.78, 295.40°)
OKLab	oklab(50.69% 0.0035 -0.1762)
OKLCH	oklch(50.69% 0.176 271.1)
XYZ	xyz(16.1447, 12.1783, 56.1322)
Luminance	0.1218 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4357C8 #C8B443

analogous

#439AC8 #4357C8 #7143C8

triadic

#4357C8 #C84357 #57C843

tetradic

#4357C8 #C8439A #C8B443 #43C871

square

#4357C8 #C8439A #C8B443 #43C871

split-complementary

#4357C8 #C87143 #9AC843

monochromatic

#212D70 #2F409F #4357C8 #7281D6 #A2ACE4

Accessibility & contrast

On white

6.11

#4357C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#4357C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4357C8

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4357C8	#FFFFFF	#000000	##FFFFFF
##4357C8	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068CC

Deuteranopia (green-blind)

#005CC6

Tritanopia (blue-blind)

#007287

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4357c8;
/* rgb */ color: rgb(67, 87, 200);
/* oklch */ color: oklch(50.7% 0.176 271.1);

Tailwind

colors: {
  custom: {
    50: '#8686d9',
    500: '#4357c8',
    950: '#000000',
  },
}

SCSS

$custom: #4357c8;
$custom-light: #8686d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4357c8",
  "rgb": {
    "r": 67,
    "g": 87,
    "b": 200
  },
  "hsl": {
    "h": 230.977,
    "s": 54.733,
    "l": 52.353
  },
  "oklch": {
    "l": 0.50687,
    "c": 0.17624,
    "h": 271.1
  },
  "luminance": 0.1218
}

Semantic roles & 50–950 ramp

primary

#4357C8

secondary

#D0C896

accent

#C84ADE

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #4357C8

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

Preview Lab → · Contrast checker → · Palette generator →