#4293DD#4293DD

#4293DD is a light, vivid cyan. Relative luminance 0.272; OKLCH L 64.7% C 0.136 H 249.0°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#4293DD
RGB	rgb(66, 147, 221)
HSL	hsl(209, 70%, 56%)
HSV	hsv(209, 70%, 87%)
CMYK	cmyk(70.1%, 33.5%, 0%, 13.3%)
CIE-LAB	lab(59.20, -0.70, -44.83)
CIE-LCH	lch(59.20, 44.83, 269.11°)
OKLab	oklab(64.7% -0.0489 -0.1272)
OKLCH	oklch(64.7% 0.136 249)
XYZ	xyz(25.7267, 27.2433, 72.2952)
Luminance	0.2725 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4293DD #DD8C42

analogous

#42DDDA #4293DD #4246DD

triadic

#4293DD #DD4293 #93DD42

tetradic

#4293DD #DA42DD #DD8C42 #46DD42

square

#4293DD #DA42DD #DD8C42 #46DD42

split-complementary

#4293DD #DD4246 #DDDA42

monochromatic

#19558C #2274BF #4293DD #76B1E6 #AACEF0

Accessibility & contrast

On white

3.26

#4293DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.45

#4293DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4293DD

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4293DD	#FFFFFF	#000000	##000000
##4293DD	1.00	3.26	6.45	6.45
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.45	21.00	1.00	1.00
##000000	6.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7297E0

Deuteranopia (green-blind)

#5C88DC

Tritanopia (blue-blind)

#00A5AE

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4293dd;
/* rgb */ color: rgb(66, 147, 221);
/* oklch */ color: oklch(64.7% 0.136 249.0);

Tailwind

colors: {
  custom: {
    50: '#88b2e8',
    500: '#4293dd',
    950: '#000000',
  },
}

SCSS

$custom: #4293dd;
$custom-light: #88b2e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4293dd",
  "rgb": {
    "r": 66,
    "g": 147,
    "b": 221
  },
  "hsl": {
    "h": 208.645,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.64696,
    "c": 0.13626,
    "h": 249
  },
  "luminance": 0.27246
}

Semantic roles & 50–950 ramp

primary

#4293DD

secondary

#DDBC9D

accent

#903BEC

background

#F9FAFE

surface

#F1F5FC

border

#CBCFD5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4293DD

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

Preview Lab → · Contrast checker → · Palette generator →