#4299BD#4299BD

#4299BD is a light, moderate cyan. Relative luminance 0.276; OKLCH L 64.5% C 0.098 H 228.5°. Best body text is #000000 at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#4299BD
RGB	rgb(66, 153, 189)
HSL	hsl(198, 48%, 50%)
HSV	hsv(198, 65%, 74%)
CMYK	cmyk(65.1%, 19%, 0%, 25.9%)
CIE-LAB	lab(59.54, -14.83, -26.36)
CIE-LCH	lch(59.54, 30.24, 240.64°)
OKLab	oklab(64.5% -0.0652 -0.0737)
OKLCH	oklch(64.5% 0.098 228.5)
XYZ	xyz(22.8197, 27.6124, 52.2614)
Luminance	0.2762 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4299BD #BD6642

analogous

#42BDA3 #4299BD #425CBD

triadic

#4299BD #BD4299 #99BD42

tetradic

#4299BD #A342BD #BD6642 #5CBD42

square

#4299BD #A342BD #BD6642 #5CBD42

split-complementary

#4299BD #BD425C #BDA342

monochromatic

#225062 #327490 #4299BD #6FB1CD #9DCADD

Accessibility & contrast

On white

3.22

#4299BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.52

#4299BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4299BD

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4299BD	#FFFFFF	#000000	##000000
##4299BD	1.00	3.22	6.52	6.52
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.52	21.00	1.00	1.00
##000000	6.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8696BF

Deuteranopia (green-blind)

#758ABD

Tritanopia (blue-blind)

#00A3A5

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #4299bd;
/* rgb */ color: rgb(66, 153, 189);
/* oklch */ color: oklch(64.5% 0.098 228.5);

Tailwind

colors: {
  custom: {
    50: '#83b7d1',
    500: '#4299bd',
    950: '#000000',
  },
}

SCSS

$custom: #4299bd;
$custom-light: #83b7d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4299bd",
  "rgb": {
    "r": 66,
    "g": 153,
    "b": 189
  },
  "hsl": {
    "h": 197.561,
    "s": 48.235,
    "l": 50
  },
  "oklch": {
    "l": 0.64497,
    "c": 0.09843,
    "h": 228.5
  },
  "luminance": 0.27615
}

Semantic roles & 50–950 ramp

primary

#4299BD

secondary

#C9A292

accent

#7850D8

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1114

muted

#7D8082

Preview Lab

Preview with #4299BD

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

Preview Lab → · Contrast checker → · Palette generator →