#4299CC#4299CC

#4299CC is a light, moderate cyan. Relative luminance 0.283; OKLCH L 65.2% C 0.112 H 237.8°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#4299CC
RGB	rgb(66, 153, 204)
HSL	hsl(202, 58%, 53%)
HSV	hsv(202, 68%, 80%)
CMYK	cmyk(67.6%, 25%, 0%, 20%)
CIE-LAB	lab(60.16, -9.91, -33.83)
CIE-LCH	lch(60.16, 35.25, 253.67°)
OKLab	oklab(65.2% -0.06 -0.0952)
OKLCH	oklch(65.2% 0.112 237.8)
XYZ	xyz(24.5329, 28.2977, 61.2841)
Luminance	0.2830 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4299CC #CC7542

analogous

#42CCBA #4299CC #4254CC

triadic

#4299CC #CC4299 #99CC42

tetradic

#4299CC #BA42CC #CC7542 #54CC42

square

#4299CC #BA42CC #CC7542 #54CC42

split-complementary

#4299CC #CC4254 #CCBA42

monochromatic

#1F5574 #2C78A4 #4299CC #72B3D9 #A2CDE6

Accessibility & contrast

On white

3.15

#4299CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.66

#4299CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4299CC

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4299CC	#FFFFFF	#000000	##000000
##4299CC	1.00	3.15	6.66	6.66
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.66	21.00	1.00	1.00
##000000	6.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8199CE

Deuteranopia (green-blind)

#6E8BCB

Tritanopia (blue-blind)

#00A6AA

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #4299cc;
/* rgb */ color: rgb(66, 153, 204);
/* oklch */ color: oklch(65.2% 0.112 237.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#4299cc",
  "rgb": {
    "r": 66,
    "g": 153,
    "b": 204
  },
  "hsl": {
    "h": 202.174,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.65195,
    "c": 0.11248,
    "h": 237.8
  },
  "luminance": 0.283
}

Semantic roles & 50–950 ramp

primary

#4299CC

secondary

#D3AD97

accent

#8047E1

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #4299CC

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

Preview Lab → · Contrast checker → · Palette generator →