#308599#308599

#308599 is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 57.4% C 0.085 H 216.4°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#308599
RGB	rgb(48, 133, 153)
HSL	hsl(191, 52%, 39%)
HSV	hsv(191, 69%, 60%)
CMYK	cmyk(68.6%, 13.1%, 0%, 40%)
CIE-LAB	lab(51.50, -18.63, -18.14)
CIE-LCH	lch(51.50, 26.00, 224.23°)
OKLab	oklab(57.45% -0.0685 -0.0505)
OKLCH	oklch(57.45% 0.085 216.4)
XYZ	xyz(15.3538, 19.7016, 33.1244)
Luminance	0.1970 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308599 #994430

analogous

#309979 #308599 #305099

triadic

#308599 #993085 #859930

tetradic

#308599 #793099 #994430 #509930

square

#308599 #793099 #994430 #509930

split-complementary

#308599 #993050 #997930

monochromatic

#13343C #215D6A #308599 #42ABC4 #71C0D2

Accessibility & contrast

On white

4.25

#308599 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#308599 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308599

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308599	#FFFFFF	#000000	##000000
##308599	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#77819A

Deuteranopia (green-blind)

#697699

Tritanopia (blue-blind)

#008C8B

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #308599;
/* rgb */ color: rgb(48, 133, 153);
/* oklch */ color: oklch(57.4% 0.085 216.4);

Tailwind

colors: {
  custom: {
    50: '#76a8b7',
    500: '#308599',
    950: '#000000',
  },
}

SCSS

$custom: #308599;
$custom-light: #76a8b7;
$custom-dark: #000000;

JSON

{
  "hex": "#308599",
  "rgb": {
    "r": 48,
    "g": 133,
    "b": 153
  },
  "hsl": {
    "h": 191.429,
    "s": 52.239,
    "l": 39.412
  },
  "oklch": {
    "l": 0.57448,
    "c": 0.08509,
    "h": 216.4
  },
  "luminance": 0.19703
}

Semantic roles & 50–950 ramp

primary

#308599

secondary

#BA7A6B

accent

#674CDC

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #308599

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

Preview Lab → · Contrast checker → · Palette generator →