#4087E3#4087E3

#4087E3 is a light, vivid cyan. Relative luminance 0.240; OKLCH L 62.3% C 0.156 H 256.1°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#4087E3
RGB	rgb(64, 135, 227)
HSL	hsl(214, 74%, 57%)
HSV	hsv(214, 72%, 89%)
CMYK	cmyk(71.8%, 40.5%, 0%, 11%)
CIE-LAB	lab(56.05, 8.25, -53.18)
CIE-LCH	lch(56.05, 53.81, 278.82°)
OKLab	oklab(62.32% -0.0376 -0.1518)
OKLCH	oklch(62.32% 0.156 256.1)
XYZ	xyz(24.6384, 23.9613, 75.9846)
Luminance	0.2396 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4087E3 #E39C40

analogous

#40D9E3 #4087E3 #4B40E3

triadic

#4087E3 #E34087 #87E340

tetradic

#4087E3 #E340D9 #E39C40 #40E34B

square

#4087E3 #E340D9 #E39C40 #40E34B

split-complementary

#4087E3 #E34B40 #D9E340

monochromatic

#164C93 #1D68C8 #4087E3 #75A9EB #ABCAF3

Accessibility & contrast

On white

3.63

#4087E3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.79

#4087E3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4087E3

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4087E3	#FFFFFF	#000000	##000000
##4087E3	1.00	3.63	5.79	5.79
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.79	21.00	1.00	1.00
##000000	5.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B8FE7

Deuteranopia (green-blind)

#417FE1

Tritanopia (blue-blind)

#009DAA

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #4087e3;
/* rgb */ color: rgb(64, 135, 227);
/* oklch */ color: oklch(62.3% 0.156 256.1);

Tailwind

colors: {
  custom: {
    50: '#88a9ec',
    500: '#4087e3',
    950: '#000000',
  },
}

SCSS

$custom: #4087e3;
$custom-light: #88a9ec;
$custom-dark: #000000;

JSON

{
  "hex": "#4087e3",
  "rgb": {
    "r": 64,
    "g": 135,
    "b": 227
  },
  "hsl": {
    "h": 213.865,
    "s": 74.429,
    "l": 57.059
  },
  "oklch": {
    "l": 0.62317,
    "c": 0.15644,
    "h": 256.1
  },
  "luminance": 0.23964
}

Semantic roles & 50–950 ramp

primary

#4087E3

secondary

#E1C49E

accent

#A037F1

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4087E3

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

Preview Lab → · Contrast checker → · Palette generator →