#4089DD#4089DD

#4089DD is a light, vivid cyan. Relative luminance 0.242; OKLCH L 62.4% C 0.147 H 253.8°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#4089DD
RGB	rgb(64, 137, 221)
HSL	hsl(212, 70%, 56%)
HSV	hsv(212, 71%, 87%)
CMYK	cmyk(71%, 38%, 0%, 13.3%)
CIE-LAB	lab(56.29, 4.92, -49.44)
CIE-LCH	lch(56.29, 49.69, 275.68°)
OKLab	oklab(62.4% -0.0408 -0.1408)
OKLCH	oklch(62.4% 0.147 253.8)
XYZ	xyz(24.1063, 24.1991, 71.7930)
Luminance	0.2420 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4089DD #DD9440

analogous

#40D7DD #4089DD #4540DD

triadic

#4089DD #DD4089 #89DD40

tetradic

#4089DD #DD40D7 #DD9440 #40DD45

square

#4089DD #DD40D7 #DD9440 #40DD45

split-complementary

#4089DD #DD4540 #D7DD40

monochromatic

#194D8A #226ABE #4089DD #74A9E6 #A8C9EF

Accessibility & contrast

On white

3.60

#4089DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.84

#4089DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4089DD

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4089DD	#FFFFFF	#000000	##000000
##4089DD	1.00	3.60	5.84	5.84
#FFFFFF	3.60	1.00	21.00	21.00
#000000	5.84	21.00	1.00	1.00
##000000	5.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#628FE0

Deuteranopia (green-blind)

#4A80DB

Tritanopia (blue-blind)

#009DA8

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #4089dd;
/* rgb */ color: rgb(64, 137, 221);
/* oklch */ color: oklch(62.4% 0.147 253.8);

Tailwind

colors: {
  custom: {
    50: '#87aae8',
    500: '#4089dd',
    950: '#000000',
  },
}

SCSS

$custom: #4089dd;
$custom-light: #87aae8;
$custom-dark: #000000;

JSON

{
  "hex": "#4089dd",
  "rgb": {
    "r": 64,
    "g": 137,
    "b": 221
  },
  "hsl": {
    "h": 212.102,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.62397,
    "c": 0.14664,
    "h": 253.8
  },
  "luminance": 0.24202
}

Semantic roles & 50–950 ramp

primary

#4089DD

secondary

#DDBF9C

accent

#9A3BED

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4089DD

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

Preview Lab → · Contrast checker → · Palette generator →