#4090DD#4090DD

#4090DD is a light, vivid cyan. Relative luminance 0.263; OKLCH L 64.0% C 0.140 H 250.2°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#4090DD
RGB	rgb(64, 144, 221)
HSL	hsl(209, 70%, 56%)
HSV	hsv(209, 71%, 87%)
CMYK	cmyk(71%, 34.8%, 0%, 13.3%)
CIE-LAB	lab(58.28, 0.77, -46.29)
CIE-LCH	lch(58.28, 46.29, 270.95°)
OKLab	oklab(63.95% -0.0473 -0.1315)
OKLCH	oklch(63.95% 0.14 250.2)
XYZ	xyz(25.1339, 26.2542, 72.1355)
Luminance	0.2626 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4090DD #DD8D40

analogous

#40DDDC #4090DD #4041DD

triadic

#4090DD #DD4090 #90DD40

tetradic

#4090DD #DC40DD #DD8D40 #41DD40

square

#4090DD #DC40DD #DD8D40 #41DD40

split-complementary

#4090DD #DD4041 #DDDC40

monochromatic

#19528A #2271BE #4090DD #74AEE6 #A8CCEF

Accessibility & contrast

On white

3.36

#4090DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.25

#4090DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4090DD

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4090DD	#FFFFFF	#000000	##000000
##4090DD	1.00	3.36	6.25	6.25
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.25	21.00	1.00	1.00
##000000	6.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D94E0

Deuteranopia (green-blind)

#5685DB

Tritanopia (blue-blind)

#00A2AC

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #4090dd;
/* rgb */ color: rgb(64, 144, 221);
/* oklch */ color: oklch(64.0% 0.140 250.2);

Tailwind

colors: {
  custom: {
    50: '#87b0e8',
    500: '#4090dd',
    950: '#000000',
  },
}

SCSS

$custom: #4090dd;
$custom-light: #87b0e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4090dd",
  "rgb": {
    "r": 64,
    "g": 144,
    "b": 221
  },
  "hsl": {
    "h": 209.427,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.63954,
    "c": 0.13976,
    "h": 250.2
  },
  "luminance": 0.26257
}

Semantic roles & 50–950 ramp

primary

#4090DD

secondary

#DDBC9C

accent

#923BED

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4090DD

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

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