#4099BD#4099BD

#4099BD is a light, moderate cyan. Relative luminance 0.275; OKLCH L 64.4% C 0.099 H 228.1°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#4099BD
RGB	rgb(64, 153, 189)
HSL	hsl(197, 49%, 50%)
HSV	hsv(197, 66%, 74%)
CMYK	cmyk(66.1%, 19%, 0%, 25.9%)
CIE-LAB	lab(59.47, -15.16, -26.46)
CIE-LCH	lch(59.47, 30.49, 240.18°)
OKLab	oklab(64.43% -0.0664 -0.074)
OKLCH	oklch(64.43% 0.099 228.1)
XYZ	xyz(22.6872, 27.5442, 52.2551)
Luminance	0.2755 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4099BD #BD6440

analogous

#40BDA3 #4099BD #405BBD

triadic

#4099BD #BD4099 #99BD40

tetradic

#4099BD #A340BD #BD6440 #5BBD40

square

#4099BD #A340BD #BD6440 #5BBD40

split-complementary

#4099BD #BD405B #BDA340

monochromatic

#214F62 #31748F #4099BD #6DB2CD #9ACADD

Accessibility & contrast

On white

3.23

#4099BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.51

#4099BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4099BD

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4099BD	#FFFFFF	#000000	##000000
##4099BD	1.00	3.23	6.51	6.51
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.51	21.00	1.00	1.00
##000000	6.51	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: #4099bd;
/* rgb */ color: rgb(64, 153, 189);
/* oklch */ color: oklch(64.4% 0.099 228.1);

Tailwind

colors: {
  custom: {
    50: '#83b7d1',
    500: '#4099bd',
    950: '#000000',
  },
}

SCSS

$custom: #4099bd;
$custom-light: #83b7d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4099bd",
  "rgb": {
    "r": 64,
    "g": 153,
    "b": 189
  },
  "hsl": {
    "h": 197.28,
    "s": 49.407,
    "l": 49.608
  },
  "oklch": {
    "l": 0.6443,
    "c": 0.09946,
    "h": 228.1
  },
  "luminance": 0.27547
}

Semantic roles & 50–950 ramp

primary

#4099BD

secondary

#C9A090

accent

#774FD9

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1114

muted

#7D8082

Preview Lab

Preview with #4099BD

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

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