#4294DD#4294DD

#4294DD is a light, vivid cyan. Relative luminance 0.276; OKLCH L 64.9% C 0.135 H 248.4°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#4294DD
RGB	rgb(66, 148, 221)
HSL	hsl(208, 70%, 56%)
HSV	hsv(208, 70%, 87%)
CMYK	cmyk(70.1%, 33%, 0%, 13.3%)
CIE-LAB	lab(59.49, -1.28, -44.38)
CIE-LCH	lch(59.49, 44.39, 268.35°)
OKLab	oklab(64.92% -0.0498 -0.1258)
OKLCH	oklch(64.92% 0.135 248.4)
XYZ	xyz(25.8829, 27.5557, 72.3473)
Luminance	0.2756 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4294DD #DD8B42

analogous

#42DDD9 #4294DD #4247DD

triadic

#4294DD #DD4294 #94DD42

tetradic

#4294DD #D942DD #DD8B42 #47DD42

square

#4294DD #D942DD #DD8B42 #47DD42

split-complementary

#4294DD #DD4247 #DDD942

monochromatic

#19568C #2275BF #4294DD #76B1E6 #AACFF0

Accessibility & contrast

On white

3.22

#4294DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.51

#4294DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4294DD

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4294DD	#FFFFFF	#000000	##000000
##4294DD	1.00	3.22	6.51	6.51
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.51	21.00	1.00	1.00
##000000	6.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7397E0

Deuteranopia (green-blind)

#5D89DC

Tritanopia (blue-blind)

#00A5AE

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #4294dd;
/* rgb */ color: rgb(66, 148, 221);
/* oklch */ color: oklch(64.9% 0.135 248.4);

Tailwind

colors: {
  custom: {
    50: '#88b3e8',
    500: '#4294dd',
    950: '#000000',
  },
}

SCSS

$custom: #4294dd;
$custom-light: #88b3e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4294dd",
  "rgb": {
    "r": 66,
    "g": 148,
    "b": 221
  },
  "hsl": {
    "h": 208.258,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.64921,
    "c": 0.13536,
    "h": 248.4
  },
  "luminance": 0.27559
}

Semantic roles & 50–950 ramp

primary

#4294DD

secondary

#DDBC9D

accent

#8F3BEC

background

#F9FAFE

surface

#F1F5FC

border

#CBCFD5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4294DD

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

Preview Lab → · Contrast checker → · Palette generator →