#307F8B#307F8B

#307F8B is a mid, moderate teal. Relative luminance 0.177; OKLCH L 55.3% C 0.078 H 209.1°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#307F8B
RGB	rgb(48, 127, 139)
HSL	hsl(188, 49%, 37%)
HSV	hsv(188, 65%, 55%)
CMYK	cmyk(65.5%, 8.6%, 0%, 45.5%)
CIE-LAB	lab(49.09, -19.91, -13.61)
CIE-LCH	lch(49.09, 24.12, 214.35°)
OKLab	oklab(55.34% -0.0679 -0.0378)
OKLCH	oklch(55.34% 0.078 209.1)
XYZ	xyz(13.4665, 17.6698, 27.1220)
Luminance	0.1767 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307F8B #8B3C30

analogous

#308B6A #307F8B #30528B

triadic

#307F8B #8B307F #7F8B30

tetradic

#307F8B #6A308B #8B3C30 #528B30

square

#307F8B #6A308B #8B3C30 #528B30

split-complementary

#307F8B #8B3052 #8B6A30

monochromatic

#112C30 #20555E #307F8B #40A9B8 #6ABFCC

Accessibility & contrast

On white

4.63

#307F8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#307F8B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #307F8B

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307F8B	#FFFFFF	#000000	##FFFFFF
##307F8B	1.00	4.63	4.53	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#747A8C

Deuteranopia (green-blind)

#67708B

Tritanopia (blue-blind)

#008583

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #307f8b;
/* rgb */ color: rgb(48, 127, 139);
/* oklch */ color: oklch(55.3% 0.078 209.1);

Tailwind

colors: {
  custom: {
    50: '#74a4ac',
    500: '#307f8b',
    950: '#000000',
  },
}

SCSS

$custom: #307f8b;
$custom-light: #74a4ac;
$custom-dark: #000000;

JSON

{
  "hex": "#307f8b",
  "rgb": {
    "r": 48,
    "g": 127,
    "b": 139
  },
  "hsl": {
    "h": 187.912,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.55343,
    "c": 0.07768,
    "h": 209.1
  },
  "luminance": 0.17671
}

Semantic roles & 50–950 ramp

primary

#307F8B

secondary

#B36E64

accent

#6250D8

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #307F8B

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

Preview Lab → · Contrast checker → · Palette generator →