#4299BE#4299BE

#4299BE is a light, moderate cyan. Relative luminance 0.277; OKLCH L 64.5% C 0.099 H 229.2°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#4299BE
RGB	rgb(66, 153, 190)
HSL	hsl(198, 49%, 50%)
HSV	hsv(198, 65%, 75%)
CMYK	cmyk(65.3%, 19.5%, 0%, 25.5%)
CIE-LAB	lab(59.58, -14.51, -26.86)
CIE-LCH	lch(59.58, 30.53, 241.63°)
OKLab	oklab(64.54% -0.0649 -0.0751)
OKLCH	oklch(64.54% 0.099 229.2)
XYZ	xyz(22.9286, 27.6560, 52.8350)
Luminance	0.2766 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4299BE #BE6742

analogous

#42BEA5 #4299BE #425BBE

triadic

#4299BE #BE4299 #99BE42

tetradic

#4299BE #A542BE #BE6742 #5BBE42

square

#4299BE #A542BE #BE6742 #5BBE42

split-complementary

#4299BE #BE425B #BEA542

monochromatic

#225063 #327591 #4299BE #70B2CE #9DCADD

Accessibility & contrast

On white

3.22

#4299BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.53

#4299BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4299BE

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4299BE	#FFFFFF	#000000	##000000
##4299BE	1.00	3.22	6.53	6.53
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.53	21.00	1.00	1.00
##000000	6.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8697C0

Deuteranopia (green-blind)

#758ABE

Tritanopia (blue-blind)

#00A3A5

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #4299be;
/* rgb */ color: rgb(66, 153, 190);
/* oklch */ color: oklch(64.5% 0.099 229.2);

Tailwind

colors: {
  custom: {
    50: '#84b7d1',
    500: '#4299be',
    950: '#000000',
  },
}

SCSS

$custom: #4299be;
$custom-light: #84b7d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4299be",
  "rgb": {
    "r": 66,
    "g": 153,
    "b": 190
  },
  "hsl": {
    "h": 197.903,
    "s": 48.819,
    "l": 50.196
  },
  "oklch": {
    "l": 0.64542,
    "c": 0.09927,
    "h": 229.2
  },
  "luminance": 0.27658
}

Semantic roles & 50–950 ramp

primary

#4299BE

secondary

#CAA392

accent

#784FD8

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1114

muted

#7D8082

Preview Lab

Preview with #4299BE

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

Preview Lab → · Contrast checker → · Palette generator →