#4359CB#4359CB

#4359CB is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.3% C 0.178 H 270.6°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#4359CB
RGB	rgb(67, 89, 203)
HSL	hsl(230, 57%, 53%)
HSV	hsv(230, 67%, 80%)
CMYK	cmyk(67%, 56.2%, 0%, 20.4%)
CIE-LAB	lab(42.23, 28.85, -61.78)
CIE-LCH	lch(42.23, 68.19, 295.03°)
OKLab	oklab(51.3% 0.0019 -0.1778)
OKLCH	oklch(51.3% 0.178 270.6)
XYZ	xyz(16.6630, 12.6483, 58.0516)
Luminance	0.1265 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4359CB #CBB543

analogous

#439DCB #4359CB #7143CB

triadic

#4359CB #CB4359 #59CB43

tetradic

#4359CB #CB439D #CBB543 #43CB71

square

#4359CB #CB439D #CBB543 #43CB71

split-complementary

#4359CB #CB7143 #9DCB43

monochromatic

#202E74 #2D40A4 #4359CB #7383D8 #A3AEE6

Accessibility & contrast

On white

5.95

#4359CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#4359CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4359CB

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4359CB	#FFFFFF	#000000	##FFFFFF
##4359CB	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACF

Deuteranopia (green-blind)

#005EC9

Tritanopia (blue-blind)

#007589

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4359cb;
/* rgb */ color: rgb(67, 89, 203);
/* oklch */ color: oklch(51.3% 0.178 270.6);

Tailwind

colors: {
  custom: {
    50: '#8687dc',
    500: '#4359cb',
    950: '#000000',
  },
}

SCSS

$custom: #4359cb;
$custom-light: #8687dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4359cb",
  "rgb": {
    "r": 67,
    "g": 89,
    "b": 203
  },
  "hsl": {
    "h": 230.294,
    "s": 56.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.51303,
    "c": 0.17781,
    "h": 270.6
  },
  "luminance": 0.1265
}

Semantic roles & 50–950 ramp

primary

#4359CB

secondary

#D2C998

accent

#C748E0

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #4359CB

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

Preview Lab → · Contrast checker → · Palette generator →