#4088DD#4088DD

#4088DD is a light, vivid cyan. Relative luminance 0.239; OKLCH L 62.2% C 0.148 H 254.3°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#4088DD
RGB	rgb(64, 136, 221)
HSL	hsl(212, 70%, 56%)
HSV	hsv(212, 71%, 87%)
CMYK	cmyk(71%, 38.5%, 0%, 13.3%)
CIE-LAB	lab(56.00, 5.51, -49.89)
CIE-LCH	lch(56.00, 50.20, 276.31°)
OKLab	oklab(62.18% -0.0399 -0.1422)
OKLCH	oklch(62.18% 0.148 254.3)
XYZ	xyz(23.9648, 23.9162, 71.7459)
Luminance	0.2392 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4088DD #DD9540

analogous

#40D7DD #4088DD #4640DD

triadic

#4088DD #DD4088 #88DD40

tetradic

#4088DD #DD40D7 #DD9540 #40DD46

square

#4088DD #DD40D7 #DD9540 #40DD46

split-complementary

#4088DD #DD4640 #D7DD40

monochromatic

#194D8A #2269BE #4088DD #74A8E6 #A8C9EF

Accessibility & contrast

On white

3.63

#4088DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#4088DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4088DD

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4088DD	#FFFFFF	#000000	##000000
##4088DD	1.00	3.63	5.78	5.78
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#618EE0

Deuteranopia (green-blind)

#4980DB

Tritanopia (blue-blind)

#009CA8

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #4088dd;
/* rgb */ color: rgb(64, 136, 221);
/* oklch */ color: oklch(62.2% 0.148 254.3);

Tailwind

colors: {
  custom: {
    50: '#87aae8',
    500: '#4088dd',
    950: '#000000',
  },
}

SCSS

$custom: #4088dd;
$custom-light: #87aae8;
$custom-dark: #000000;

JSON

{
  "hex": "#4088dd",
  "rgb": {
    "r": 64,
    "g": 136,
    "b": 221
  },
  "hsl": {
    "h": 212.484,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.62176,
    "c": 0.14768,
    "h": 254.3
  },
  "luminance": 0.23919
}

Semantic roles & 50–950 ramp

primary

#4088DD

secondary

#DDBF9C

accent

#9B3BED

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4088DD

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

Preview Lab → · Contrast checker → · Palette generator →