#4381CB#4381CB

#4381CB is a mid, vivid cyan. Relative luminance 0.212; OKLCH L 59.7% C 0.131 H 254.2°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#4381CB
RGB	rgb(67, 129, 203)
HSL	hsl(213, 57%, 53%)
HSV	hsv(213, 67%, 80%)
CMYK	cmyk(67%, 36.5%, 0%, 20.4%)
CIE-LAB	lab(53.17, 3.83, -44.23)
CIE-LCH	lch(53.17, 44.40, 274.95°)
OKLab	oklab(59.69% -0.0355 -0.1257)
OKLCH	oklch(59.69% 0.131 254.2)
XYZ	xyz(20.9405, 21.2035, 59.4774)
Luminance	0.2121 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4381CB #CB8D43

analogous

#43C5CB #4381CB #4943CB

triadic

#4381CB #CB4381 #81CB43

tetradic

#4381CB #CB43C5 #CB8D43 #43CB49

square

#4381CB #CB43C5 #CB8D43 #43CB49

split-complementary

#4381CB #CB4943 #C5CB43

monochromatic

#204674 #2D63A4 #4381CB #73A1D8 #A3C1E6

Accessibility & contrast

On white

4.01

#4381CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#4381CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4381CB

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4381CB	#FFFFFF	#000000	##000000
##4381CB	1.00	4.01	5.24	5.24
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6086CE

Deuteranopia (green-blind)

#4D79CA

Tritanopia (blue-blind)

#00929C

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4381cb;
/* rgb */ color: rgb(67, 129, 203);
/* oklch */ color: oklch(59.7% 0.131 254.2);

Tailwind

colors: {
  custom: {
    50: '#85a5db',
    500: '#4381cb',
    950: '#000000',
  },
}

SCSS

$custom: #4381cb;
$custom-light: #85a5db;
$custom-dark: #000000;

JSON

{
  "hex": "#4381cb",
  "rgb": {
    "r": 67,
    "g": 129,
    "b": 203
  },
  "hsl": {
    "h": 212.647,
    "s": 56.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.59687,
    "c": 0.13057,
    "h": 254.2
  },
  "luminance": 0.21206
}

Semantic roles & 50–950 ramp

primary

#4381CB

secondary

#D2B798

accent

#9B48E0

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4381CB

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

Preview Lab → · Contrast checker → · Palette generator →