#4376CB#4376CB

#4376CB is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.3% C 0.143 H 260.0°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#4376CB
RGB	rgb(67, 118, 203)
HSL	hsl(218, 57%, 53%)
HSV	hsv(218, 67%, 80%)
CMYK	cmyk(67%, 41.9%, 0%, 20.4%)
CIE-LAB	lab(50.05, 10.55, -49.19)
CIE-LCH	lch(50.05, 50.31, 282.10°)
OKLab	oklab(57.26% -0.0247 -0.1404)
OKLCH	oklch(57.26% 0.143 260)
XYZ	xyz(19.5688, 18.4600, 59.0202)
Luminance	0.1846 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4376CB #CB9843

analogous

#43BACB #4376CB #5443CB

triadic

#4376CB #CB4376 #76CB43

tetradic

#4376CB #CB43BA #CB9843 #43CB54

square

#4376CB #CB43BA #CB9843 #43CB54

split-complementary

#4376CB #CB5443 #BACB43

monochromatic

#203F74 #2D5AA4 #4376CB #7399D8 #A3BCE6

Accessibility & contrast

On white

4.48

#4376CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#4376CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4376CB

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4376CB	#FFFFFF	#000000	##000000
##4376CB	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E7ECE

Deuteranopia (green-blind)

#3971C9

Tritanopia (blue-blind)

#008A96

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4376cb;
/* rgb */ color: rgb(67, 118, 203);
/* oklch */ color: oklch(57.3% 0.143 260.0);

Tailwind

colors: {
  custom: {
    50: '#859ddb',
    500: '#4376cb',
    950: '#000000',
  },
}

SCSS

$custom: #4376cb;
$custom-light: #859ddb;
$custom-dark: #000000;

JSON

{
  "hex": "#4376cb",
  "rgb": {
    "r": 67,
    "g": 118,
    "b": 203
  },
  "hsl": {
    "h": 217.5,
    "s": 56.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.5726,
    "c": 0.14251,
    "h": 260
  },
  "luminance": 0.18462
}

Semantic roles & 50–950 ramp

primary

#4376CB

secondary

#D2BC98

accent

#A748E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4376CB

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

Preview Lab → · Contrast checker → · Palette generator →