#4357C5#4357C5

#4357C5 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.5% C 0.172 H 271.1°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#4357C5
RGB	rgb(67, 87, 197)
HSL	hsl(231, 53%, 52%)
HSV	hsv(231, 66%, 77%)
CMYK	cmyk(66%, 55.8%, 0%, 22.7%)
CIE-LAB	lab(41.28, 28.02, -59.85)
CIE-LCH	lch(41.28, 66.08, 295.09°)
OKLab	oklab(50.45% 0.0034 -0.1721)
OKLCH	oklch(50.45% 0.172 271.1)
XYZ	xyz(15.7976, 12.0395, 54.3038)
Luminance	0.1204 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4357C5 #C5B143

analogous

#4398C5 #4357C5 #7043C5

triadic

#4357C5 #C54357 #57C543

tetradic

#4357C5 #C54398 #C5B143 #43C570

square

#4357C5 #C54398 #C5B143 #43C570

split-complementary

#4357C5 #C57043 #98C543

monochromatic

#212D6C #30409B #4357C5 #7281D3 #A1ABE2

Accessibility & contrast

On white

6.16

#4357C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#4357C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4357C5

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4357C5	#FFFFFF	#000000	##FFFFFF
##4357C5	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067C9

Deuteranopia (green-blind)

#005CC3

Tritanopia (blue-blind)

#007285

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4357c5;
/* rgb */ color: rgb(67, 87, 197);
/* oklch */ color: oklch(50.5% 0.172 271.1);

Tailwind

colors: {
  custom: {
    50: '#8586d7',
    500: '#4357c5',
    950: '#000000',
  },
}

SCSS

$custom: #4357c5;
$custom-light: #8586d7;
$custom-dark: #000000;

JSON

{
  "hex": "#4357c5",
  "rgb": {
    "r": 67,
    "g": 87,
    "b": 197
  },
  "hsl": {
    "h": 230.769,
    "s": 52.846,
    "l": 51.765
  },
  "oklch": {
    "l": 0.50454,
    "c": 0.17217,
    "h": 271.1
  },
  "luminance": 0.12041
}

Semantic roles & 50–950 ramp

primary

#4357C5

secondary

#CEC695

accent

#C64CDC

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #4357C5

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

Preview Lab → · Contrast checker → · Palette generator →