#4299C3#4299C3

#4299C3 is a light, moderate cyan. Relative luminance 0.279; OKLCH L 64.8% C 0.104 H 232.5°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#4299C3
RGB	rgb(66, 153, 195)
HSL	hsl(200, 52%, 51%)
HSV	hsv(200, 66%, 76%)
CMYK	cmyk(66.2%, 21.5%, 0%, 23.5%)
CIE-LAB	lab(59.78, -12.88, -29.36)
CIE-LCH	lch(59.78, 32.06, 246.31°)
OKLab	oklab(64.77% -0.0631 -0.0823)
OKLCH	oklch(64.77% 0.104 232.5)
XYZ	xyz(23.4845, 27.8784, 55.7626)
Luminance	0.2788 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4299C3 #C36C42

analogous

#42C3AC #4299C3 #4258C3

triadic

#4299C3 #C34299 #99C342

tetradic

#4299C3 #AC42C3 #C36C42 #58C342

square

#4299C3 #AC42C3 #C36C42 #58C342

split-complementary

#4299C3 #C34258 #C3AC42

monochromatic

#215269 #307698 #4299C3 #70B2D2 #9FCBE0

Accessibility & contrast

On white

3.19

#4299C3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.58

#4299C3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4299C3

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4299C3	#FFFFFF	#000000	##000000
##4299C3	1.00	3.19	6.58	6.58
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.58	21.00	1.00	1.00
##000000	6.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8497C5

Deuteranopia (green-blind)

#728AC2

Tritanopia (blue-blind)

#00A4A7

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #4299c3;
/* rgb */ color: rgb(66, 153, 195);
/* oklch */ color: oklch(64.8% 0.104 232.5);

Tailwind

colors: {
  custom: {
    50: '#84b7d5',
    500: '#4299c3',
    950: '#000000',
  },
}

SCSS

$custom: #4299c3;
$custom-light: #84b7d5;
$custom-dark: #000000;

JSON

{
  "hex": "#4299c3",
  "rgb": {
    "r": 66,
    "g": 153,
    "b": 195
  },
  "hsl": {
    "h": 199.535,
    "s": 51.807,
    "l": 51.176
  },
  "oklch": {
    "l": 0.6477,
    "c": 0.10369,
    "h": 232.5
  },
  "luminance": 0.27881
}

Semantic roles & 50–950 ramp

primary

#4299C3

secondary

#CDA694

accent

#7B4DDB

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #4299C3

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

Preview Lab → · Contrast checker → · Palette generator →