#4099BA#4099BA

#4099BA is a light, moderate cyan. Relative luminance 0.274; OKLCH L 64.3% C 0.097 H 225.9°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#4099BA
RGB	rgb(64, 153, 186)
HSL	hsl(196, 49%, 49%)
HSV	hsv(196, 66%, 73%)
CMYK	cmyk(65.6%, 17.7%, 0%, 27.1%)
CIE-LAB	lab(59.36, -16.13, -24.95)
CIE-LCH	lch(59.36, 29.71, 237.11°)
OKLab	oklab(64.3% -0.0676 -0.0697)
OKLCH	oklch(64.3% 0.097 225.9)
XYZ	xyz(22.3650, 27.4152, 50.5579)
Luminance	0.2742 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4099BA #BA6140

analogous

#40BA9E #4099BA #405CBA

triadic

#4099BA #BA4099 #99BA40

tetradic

#4099BA #9E40BA #BA6140 #5CBA40

square

#4099BA #9E40BA #BA6140 #5CBA40

split-complementary

#4099BA #BA405C #BA9E40

monochromatic

#214E5F #30748C #4099BA #6BB2CC #99CADC

Accessibility & contrast

On white

3.24

#4099BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.48

#4099BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4099BA

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4099BA	#FFFFFF	#000000	##000000
##4099BA	1.00	3.24	6.48	6.48
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.48	21.00	1.00	1.00
##000000	6.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8796BC

Deuteranopia (green-blind)

#7689BA

Tritanopia (blue-blind)

#00A3A4

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #4099ba;
/* rgb */ color: rgb(64, 153, 186);
/* oklch */ color: oklch(64.3% 0.097 225.9);

Tailwind

colors: {
  custom: {
    50: '#82b7ce',
    500: '#4099ba',
    950: '#000000',
  },
}

SCSS

$custom: #4099ba;
$custom-light: #82b7ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4099ba",
  "rgb": {
    "r": 64,
    "g": 153,
    "b": 186
  },
  "hsl": {
    "h": 196.23,
    "s": 48.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.64297,
    "c": 0.09706,
    "h": 225.9
  },
  "luminance": 0.27418
}

Semantic roles & 50–950 ramp

primary

#4099BA

secondary

#C89E8E

accent

#744FD8

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #4099BA

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

Preview Lab → · Contrast checker → · Palette generator →