#4089E8#4089E8

#4089E8 is a light, vivid cyan. Relative luminance 0.248; OKLCH L 63.1% C 0.161 H 256.2°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#4089E8
RGB	rgb(64, 137, 232)
HSL	hsl(214, 79%, 58%)
HSV	hsv(214, 72%, 91%)
CMYK	cmyk(72.4%, 40.9%, 0%, 9%)
CIE-LAB	lab(56.88, 8.83, -54.63)
CIE-LCH	lch(56.88, 55.34, 279.18°)
OKLab	oklab(63.06% -0.0383 -0.1561)
OKLCH	oklch(63.06% 0.161 256.2)
XYZ	xyz(25.6201, 24.8047, 79.7658)
Luminance	0.2481 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4089E8 #E89F40

analogous

#40DDE8 #4089E8 #4B40E8

triadic

#4089E8 #E84089 #89E840

tetradic

#4089E8 #E840DD #E89F40 #40E84B

square

#4089E8 #E840DD #E89F40 #40E84B

split-complementary

#4089E8 #E84B40 #DDE840

monochromatic

#134E9B #1969D2 #4089E8 #77ABEF #ADCCF5

Accessibility & contrast

On white

3.52

#4089E8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#4089E8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4089E8

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4089E8	#FFFFFF	#000000	##000000
##4089E8	1.00	3.52	5.96	5.96
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.96	21.00	1.00	1.00
##000000	5.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B91EC

Deuteranopia (green-blind)

#3F81E6

Tritanopia (blue-blind)

#009FAD

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #4089e8;
/* rgb */ color: rgb(64, 137, 232);
/* oklch */ color: oklch(63.1% 0.161 256.2);

Tailwind

colors: {
  custom: {
    50: '#89aaf0',
    500: '#4089e8',
    950: '#000000',
  },
}

SCSS

$custom: #4089e8;
$custom-light: #89aaf0;
$custom-dark: #000000;

JSON

{
  "hex": "#4089e8",
  "rgb": {
    "r": 64,
    "g": 137,
    "b": 232
  },
  "hsl": {
    "h": 213.929,
    "s": 78.505,
    "l": 58.039
  },
  "oklch": {
    "l": 0.63056,
    "c": 0.16071,
    "h": 256.2
  },
  "luminance": 0.24808
}

Semantic roles & 50–950 ramp

primary

#4089E8

secondary

#E3C6A0

accent

#A133F5

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4089E8

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

Preview Lab → · Contrast checker → · Palette generator →