#307C8F#307C8F

#307C8F is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 54.7% C 0.079 H 217.3°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#307C8F
RGB	rgb(48, 124, 143)
HSL	hsl(192, 50%, 37%)
HSV	hsv(192, 66%, 56%)
CMYK	cmyk(66.4%, 13.3%, 0%, 43.9%)
CIE-LAB	lab(48.29, -17.00, -17.18)
CIE-LCH	lch(48.29, 24.17, 225.30°)
OKLab	oklab(54.75% -0.0628 -0.0478)
OKLCH	oklch(54.75% 0.079 217.3)
XYZ	xyz(13.3825, 17.0254, 28.5622)
Luminance	0.1703 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307C8F #8F4330

analogous

#308F72 #307C8F #304D8F

triadic

#307C8F #8F307C #7C8F30

tetradic

#307C8F #72308F #8F4330 #4D8F30

square

#307C8F #72308F #8F4330 #4D8F30

split-complementary

#307C8F #8F304D #8F7230

monochromatic

#112D33 #215461 #307C8F #3FA4BD #6CBACE

Accessibility & contrast

On white

4.77

#307C8F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#307C8F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #307C8F

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307C8F	#FFFFFF	#000000	##FFFFFF
##307C8F	1.00	4.77	4.41	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7890

Deuteranopia (green-blind)

#626E8F

Tritanopia (blue-blind)

#008382

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #307c8f;
/* rgb */ color: rgb(48, 124, 143);
/* oklch */ color: oklch(54.7% 0.079 217.3);

Tailwind

colors: {
  custom: {
    50: '#74a2af',
    500: '#307c8f',
    950: '#000000',
  },
}

SCSS

$custom: #307c8f;
$custom-light: #74a2af;
$custom-dark: #000000;

JSON

{
  "hex": "#307c8f",
  "rgb": {
    "r": 48,
    "g": 124,
    "b": 143
  },
  "hsl": {
    "h": 192,
    "s": 49.738,
    "l": 37.451
  },
  "oklch": {
    "l": 0.54748,
    "c": 0.07897,
    "h": 217.3
  },
  "luminance": 0.17027
}

Semantic roles & 50–950 ramp

primary

#307C8F

secondary

#B57666

accent

#6A4FD9

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090F10

muted

#7B7E7F

Preview Lab

Preview with #307C8F

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

Preview Lab → · Contrast checker → · Palette generator →