#307D8F#307D8F

#307D8F is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.0% C 0.079 H 216.0°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#307D8F
RGB	rgb(48, 125, 143)
HSL	hsl(191, 50%, 37%)
HSV	hsv(191, 66%, 56%)
CMYK	cmyk(66.4%, 12.6%, 0%, 43.9%)
CIE-LAB	lab(48.61, -17.55, -16.70)
CIE-LCH	lch(48.61, 24.23, 223.58°)
OKLab	oklab(55% -0.064 -0.0464)
OKLCH	oklch(55% 0.079 216)
XYZ	xyz(13.5084, 17.2773, 28.6042)
Luminance	0.1728 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307D8F #8F4230

analogous

#308F71 #307D8F #304E8F

triadic

#307D8F #8F307D #7D8F30

tetradic

#307D8F #71308F #8F4230 #4E8F30

square

#307D8F #71308F #8F4230 #4E8F30

split-complementary

#307D8F #8F304E #8F7130

monochromatic

#112D33 #215561 #307D8F #3FA5BD #6CBBCE

Accessibility & contrast

On white

4.71

#307D8F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#307D8F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #307D8F

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307D8F	#FFFFFF	#000000	##FFFFFF
##307D8F	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#717990

Deuteranopia (green-blind)

#636F8F

Tritanopia (blue-blind)

#008483

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #307d8f;
/* rgb */ color: rgb(48, 125, 143);
/* oklch */ color: oklch(55.0% 0.079 216.0);

Tailwind

colors: {
  custom: {
    50: '#74a2af',
    500: '#307d8f',
    950: '#000000',
  },
}

SCSS

$custom: #307d8f;
$custom-light: #74a2af;
$custom-dark: #000000;

JSON

{
  "hex": "#307d8f",
  "rgb": {
    "r": 48,
    "g": 125,
    "b": 143
  },
  "hsl": {
    "h": 191.368,
    "s": 49.738,
    "l": 37.451
  },
  "oklch": {
    "l": 0.55001,
    "c": 0.07904,
    "h": 216
  },
  "luminance": 0.17279
}

Semantic roles & 50–950 ramp

primary

#307D8F

secondary

#B57566

accent

#694FD9

background

#F7FAFA

surface

#EDF3F4

border

#C8CDCE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #307D8F

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

Preview Lab → · Contrast checker → · Palette generator →