#4359C9#4359C9

#4359C9 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.1% C 0.175 H 270.6°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#4359C9
RGB	rgb(67, 89, 201)
HSL	hsl(230, 55%, 53%)
HSV	hsv(230, 67%, 79%)
CMYK	cmyk(66.7%, 55.7%, 0%, 21.2%)
CIE-LAB	lab(42.08, 28.15, -60.86)
CIE-LCH	lch(42.08, 67.06, 294.82°)
OKLab	oklab(51.15% 0.0018 -0.1751)
OKLCH	oklch(51.15% 0.175 270.6)
XYZ	xyz(16.4262, 12.5536, 56.8044)
Luminance	0.1255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4359C9 #C9B343

analogous

#439CC9 #4359C9 #7043C9

triadic

#4359C9 #C94359 #59C943

tetradic

#4359C9 #C9439C #C9B343 #43C970

square

#4359C9 #C9439C #C9B343 #43C970

split-complementary

#4359C9 #C97043 #9CC943

monochromatic

#202E71 #2E41A1 #4359C9 #7383D7 #A2ADE4

Accessibility & contrast

On white

5.98

#4359C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#4359C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4359C9

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4359C9	#FFFFFF	#000000	##FFFFFF
##4359C9	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACD

Deuteranopia (green-blind)

#005DC7

Tritanopia (blue-blind)

#007488

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4359c9;
/* rgb */ color: rgb(67, 89, 201);
/* oklch */ color: oklch(51.1% 0.175 270.6);

Tailwind

colors: {
  custom: {
    50: '#8687da',
    500: '#4359c9',
    950: '#000000',
  },
}

SCSS

$custom: #4359c9;
$custom-light: #8687da;
$custom-dark: #000000;

JSON

{
  "hex": "#4359c9",
  "rgb": {
    "r": 67,
    "g": 89,
    "b": 201
  },
  "hsl": {
    "h": 230.149,
    "s": 55.372,
    "l": 52.549
  },
  "oklch": {
    "l": 0.51148,
    "c": 0.17511,
    "h": 270.6
  },
  "luminance": 0.12555
}

Semantic roles & 50–950 ramp

primary

#4359C9

secondary

#D1C797

accent

#C649DF

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #4359C9

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

Preview Lab → · Contrast checker → · Palette generator →