#4299CB#4299CB

#4299CB is a light, moderate cyan. Relative luminance 0.283; OKLCH L 65.1% C 0.111 H 237.3°. Best body text is #000000 at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#4299CB
RGB	rgb(66, 153, 203)
HSL	hsl(202, 57%, 53%)
HSV	hsv(202, 67%, 80%)
CMYK	cmyk(67.5%, 24.6%, 0%, 20.4%)
CIE-LAB	lab(60.11, -10.24, -33.33)
CIE-LCH	lch(60.11, 34.87, 252.92°)
OKLab	oklab(65.15% -0.0603 -0.0937)
OKLCH	oklch(65.15% 0.111 237.3)
XYZ	xyz(24.4133, 28.2499, 60.6545)
Luminance	0.2825 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4299CB #CB7442

analogous

#42CBB8 #4299CB #4254CB

triadic

#4299CB #CB4299 #99CB42

tetradic

#4299CB #B842CB #CB7442 #54CB42

square

#4299CB #B842CB #CB7442 #54CB42

split-complementary

#4299CB #CB4254 #CBB842

monochromatic

#205573 #2D78A3 #4299CB #72B3D8 #A2CDE5

Accessibility & contrast

On white

3.16

#4299CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.65

#4299CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4299CB

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4299CB	#FFFFFF	#000000	##000000
##4299CB	1.00	3.16	6.65	6.65
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.65	21.00	1.00	1.00
##000000	6.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8198CD

Deuteranopia (green-blind)

#6F8BCA

Tritanopia (blue-blind)

#00A6AA

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #4299cb;
/* rgb */ color: rgb(66, 153, 203);
/* oklch */ color: oklch(65.1% 0.111 237.3);

Tailwind

colors: {
  custom: {
    50: '#85b7db',
    500: '#4299cb',
    950: '#000000',
  },
}

SCSS

$custom: #4299cb;
$custom-light: #85b7db;
$custom-dark: #000000;

JSON

{
  "hex": "#4299cb",
  "rgb": {
    "r": 66,
    "g": 153,
    "b": 203
  },
  "hsl": {
    "h": 201.898,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.65147,
    "c": 0.11145,
    "h": 237.3
  },
  "luminance": 0.28253
}

Semantic roles & 50–950 ramp

primary

#4299CB

secondary

#D2AC97

accent

#7F48E0

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #4299CB

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

Preview Lab → · Contrast checker → · Palette generator →