#4387E4#4387E4

#4387E4 is a light, vivid cyan. Relative luminance 0.241; OKLCH L 62.5% C 0.157 H 256.9°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#4387E4
RGB	rgb(67, 135, 228)
HSL	hsl(215, 75%, 58%)
HSV	hsv(215, 71%, 89%)
CMYK	cmyk(70.6%, 40.8%, 0%, 10.6%)
CIE-LAB	lab(56.21, 9.02, -53.48)
CIE-LCH	lch(56.21, 54.23, 279.58°)
OKLab	oklab(62.49% -0.0354 -0.1527)
OKLCH	oklch(62.49% 0.157 256.9)
XYZ	xyz(24.9772, 24.1200, 76.7230)
Luminance	0.2412 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4387E4 #E4A043

analogous

#43D8E4 #4387E4 #4F43E4

triadic

#4387E4 #E44387 #87E443

tetradic

#4387E4 #E443D8 #E4A043 #43E44F

square

#4387E4 #E443D8 #E4A043 #43E44F

split-complementary

#4387E4 #E44F43 #D8E443

monochromatic

#164C97 #1D67CC #4387E4 #79A9EC #AECBF3

Accessibility & contrast

On white

3.61

#4387E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.82

#4387E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4387E4

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4387E4	#FFFFFF	#000000	##000000
##4387E4	1.00	3.61	5.82	5.82
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.82	21.00	1.00	1.00
##000000	5.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B8FE8

Deuteranopia (green-blind)

#4180E2

Tritanopia (blue-blind)

#009DAA

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #4387e4;
/* rgb */ color: rgb(67, 135, 228);
/* oklch */ color: oklch(62.5% 0.157 256.9);

Tailwind

colors: {
  custom: {
    50: '#89a9ed',
    500: '#4387e4',
    950: '#000000',
  },
}

SCSS

$custom: #4387e4;
$custom-light: #89a9ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4387e4",
  "rgb": {
    "r": 67,
    "g": 135,
    "b": 228
  },
  "hsl": {
    "h": 214.658,
    "s": 74.884,
    "l": 57.843
  },
  "oklch": {
    "l": 0.62487,
    "c": 0.15672,
    "h": 256.9
  },
  "luminance": 0.24123
}

Semantic roles & 50–950 ramp

primary

#4387E4

secondary

#E2C6A1

accent

#A236F2

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4387E4

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

Preview Lab → · Contrast checker → · Palette generator →