#4087E9#4087E9

#4087E9 is a light, vivid cyan. Relative luminance 0.243; OKLCH L 62.7% C 0.164 H 257.2°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#4087E9
RGB	rgb(64, 135, 233)
HSL	hsl(215, 79%, 58%)
HSV	hsv(215, 73%, 91%)
CMYK	cmyk(72.5%, 42.1%, 0%, 8.6%)
CIE-LAB	lab(56.39, 10.39, -55.99)
CIE-LCH	lch(56.39, 56.94, 280.52°)
OKLab	oklab(62.69% -0.0364 -0.1601)
OKLCH	oklch(62.69% 0.164 257.2)
XYZ	xyz(25.4809, 24.2983, 80.4221)
Luminance	0.2430 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4087E9 #E9A240

analogous

#40DBE9 #4087E9 #4D40E9

triadic

#4087E9 #E94087 #87E940

tetradic

#4087E9 #E940DB #E9A240 #40E94D

square

#4087E9 #E940DB #E9A240 #40E94D

split-complementary

#4087E9 #E94D40 #DBE940

monochromatic

#124C9D #1867D3 #4087E9 #77A9EF #AECCF6

Accessibility & contrast

On white

3.58

#4087E9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#4087E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4087E9

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4087E9	#FFFFFF	#000000	##000000
##4087E9	1.00	3.58	5.86	5.86
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.86	21.00	1.00	1.00
##000000	5.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5790ED

Deuteranopia (green-blind)

#3980E7

Tritanopia (blue-blind)

#009EAD

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #4087e9;
/* rgb */ color: rgb(64, 135, 233);
/* oklch */ color: oklch(62.7% 0.164 257.2);

Tailwind

colors: {
  custom: {
    50: '#89a9f0',
    500: '#4087e9',
    950: '#000000',
  },
}

SCSS

$custom: #4087e9;
$custom-light: #89a9f0;
$custom-dark: #000000;

JSON

{
  "hex": "#4087e9",
  "rgb": {
    "r": 64,
    "g": 135,
    "b": 233
  },
  "hsl": {
    "h": 214.793,
    "s": 79.343,
    "l": 58.235
  },
  "oklch": {
    "l": 0.62687,
    "c": 0.16418,
    "h": 257.2
  },
  "luminance": 0.24301
}

Semantic roles & 50–950 ramp

primary

#4087E9

secondary

#E4C8A1

accent

#A432F6

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F17

muted

#7E7F85

Preview Lab

Preview with #4087E9

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

Preview Lab → · Contrast checker → · Palette generator →