#308FA4#308FA4

#308FA4 is a mid, moderate cyan. Relative luminance 0.230; OKLCH L 60.4% C 0.092 H 215.5°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#308FA4
RGB	rgb(48, 143, 164)
HSL	hsl(191, 55%, 42%)
HSV	hsv(191, 71%, 64%)
CMYK	cmyk(70.7%, 12.8%, 0%, 35.7%)
CIE-LAB	lab(55.02, -20.39, -19.11)
CIE-LCH	lch(55.02, 27.95, 223.14°)
OKLab	oklab(60.42% -0.0745 -0.0532)
OKLCH	oklch(60.42% 0.092 215.5)
XYZ	xyz(17.7394, 22.9516, 38.6099)
Luminance	0.2295 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308FA4 #A44530

analogous

#30A47F #308FA4 #3055A4

triadic

#308FA4 #A4308F #8FA430

tetradic

#308FA4 #7F30A4 #A44530 #55A430

square

#308FA4 #7F30A4 #A44530 #55A430

split-complementary

#308FA4 #A43055 #A47F30

monochromatic

#143C45 #226675 #308FA4 #48B2C9 #77C6D7

Accessibility & contrast

On white

3.76

#308FA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.59

#308FA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308FA4

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308FA4	#FFFFFF	#000000	##000000
##308FA4	1.00	3.76	5.59	5.59
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.59	21.00	1.00	1.00
##000000	5.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#808BA5

Deuteranopia (green-blind)

#707FA4

Tritanopia (blue-blind)

#009796

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #308fa4;
/* rgb */ color: rgb(48, 143, 164);
/* oklch */ color: oklch(60.4% 0.092 215.5);

Tailwind

colors: {
  custom: {
    50: '#78b0bf',
    500: '#308fa4',
    950: '#000000',
  },
}

SCSS

$custom: #308fa4;
$custom-light: #78b0bf;
$custom-dark: #000000;

JSON

{
  "hex": "#308fa4",
  "rgb": {
    "r": 48,
    "g": 143,
    "b": 164
  },
  "hsl": {
    "h": 190.862,
    "s": 54.717,
    "l": 41.569
  },
  "oklch": {
    "l": 0.60417,
    "c": 0.09157,
    "h": 215.5
  },
  "luminance": 0.22954
}

Semantic roles & 50–950 ramp

primary

#308FA4

secondary

#BF7F70

accent

#654ADE

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #308FA4

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

Preview Lab → · Contrast checker → · Palette generator →