#30819B#30819B

#30819B is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.5% C 0.087 H 222.9°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#30819B
RGB	rgb(48, 129, 155)
HSL	hsl(195, 53%, 40%)
HSV	hsv(195, 69%, 61%)
CMYK	cmyk(69%, 16.8%, 0%, 39.2%)
CIE-LAB	lab(50.33, -15.79, -21.09)
CIE-LCH	lch(50.33, 26.35, 233.18°)
OKLab	oklab(56.53% -0.0634 -0.0589)
OKLCH	oklch(56.53% 0.087 222.9)
XYZ	xyz(14.9832, 18.6938, 33.8226)
Luminance	0.1870 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30819B #9B4A30

analogous

#309B7F #30819B #304C9B

triadic

#30819B #9B3081 #819B30

tetradic

#30819B #7F309B #9B4A30 #4C9B30

square

#30819B #7F309B #9B4A30 #4C9B30

split-complementary

#30819B #9B304C #9B7F30

monochromatic

#13333E #225A6C #30819B #43A5C5 #72BCD3

Accessibility & contrast

On white

4.43

#30819B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#30819B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #30819B

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30819B	#FFFFFF	#000000	##000000
##30819B	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#727E9C

Deuteranopia (green-blind)

#63739B

Tritanopia (blue-blind)

#008989

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #30819b;
/* rgb */ color: rgb(48, 129, 155);
/* oklch */ color: oklch(56.5% 0.087 222.9);

Tailwind

colors: {
  custom: {
    50: '#76a5b8',
    500: '#30819b',
    950: '#000000',
  },
}

SCSS

$custom: #30819b;
$custom-light: #76a5b8;
$custom-dark: #000000;

JSON

{
  "hex": "#30819b",
  "rgb": {
    "r": 48,
    "g": 129,
    "b": 155
  },
  "hsl": {
    "h": 194.579,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.56534,
    "c": 0.08653,
    "h": 222.9
  },
  "luminance": 0.18695
}

Semantic roles & 50–950 ramp

primary

#30819B

secondary

#BB7F6C

accent

#6F4CDC

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #30819B

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

Preview Lab → · Contrast checker → · Palette generator →