#4358CB#4358CB

#4358CB is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.1% C 0.179 H 270.9°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#4358CB
RGB	rgb(67, 88, 203)
HSL	hsl(231, 57%, 53%)
HSV	hsv(231, 67%, 80%)
CMYK	cmyk(67%, 56.7%, 0%, 20.4%)
CIE-LAB	lab(41.97, 29.49, -62.19)
CIE-LCH	lch(41.97, 68.83, 295.37°)
OKLab	oklab(51.11% 0.0027 -0.179)
OKLCH	oklch(51.11% 0.179 270.9)
XYZ	xyz(16.5803, 12.4830, 58.0240)
Luminance	0.1249 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4358CB #CBB643

analogous

#439CCB #4358CB #7243CB

triadic

#4358CB #CB4358 #58CB43

tetradic

#4358CB #CB439C #CBB643 #43CB72

square

#4358CB #CB439C #CBB643 #43CB72

split-complementary

#4358CB #CB7243 #9CCB43

monochromatic

#202D74 #2D40A4 #4358CB #7383D8 #A3ADE6

Accessibility & contrast

On white

6.01

#4358CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#4358CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4358CB

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4358CB	#FFFFFF	#000000	##FFFFFF
##4358CB	1.00	6.01	3.50	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CF

Deuteranopia (green-blind)

#005DC9

Tritanopia (blue-blind)

#007489

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4358cb;
/* rgb */ color: rgb(67, 88, 203);
/* oklch */ color: oklch(51.1% 0.179 270.9);

Tailwind

colors: {
  custom: {
    50: '#8786dc',
    500: '#4358cb',
    950: '#000000',
  },
}

SCSS

$custom: #4358cb;
$custom-light: #8786dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4358cb",
  "rgb": {
    "r": 67,
    "g": 88,
    "b": 203
  },
  "hsl": {
    "h": 230.735,
    "s": 56.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.51113,
    "c": 0.17905,
    "h": 270.9
  },
  "luminance": 0.12485
}

Semantic roles & 50–950 ramp

primary

#4358CB

secondary

#D2C998

accent

#C848E0

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #4358CB

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

Preview Lab → · Contrast checker → · Palette generator →