#307D8B#307D8B

#307D8B is a mid, moderate teal. Relative luminance 0.172; OKLCH L 54.8% C 0.077 H 211.6°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#307D8B
RGB	rgb(48, 125, 139)
HSL	hsl(189, 49%, 37%)
HSV	hsv(189, 65%, 55%)
CMYK	cmyk(65.5%, 10.1%, 0%, 45.5%)
CIE-LAB	lab(48.46, -18.84, -14.57)
CIE-LCH	lch(48.46, 23.82, 217.72°)
OKLab	oklab(54.83% -0.0656 -0.0404)
OKLCH	oklch(54.83% 0.077 211.6)
XYZ	xyz(13.2108, 17.1583, 27.0367)
Luminance	0.1716 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307D8B #8B3E30

analogous

#308B6C #307D8B #30508B

triadic

#307D8B #8B307D #7D8B30

tetradic

#307D8B #6C308B #8B3E30 #508B30

square

#307D8B #6C308B #8B3E30 #508B30

split-complementary

#307D8B #8B3050 #8B6C30

monochromatic

#112B30 #20545E #307D8B #40A6B8 #6ABCCC

Accessibility & contrast

On white

4.74

#307D8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#307D8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #307D8B

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307D8B	#FFFFFF	#000000	##FFFFFF
##307D8B	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#72798C

Deuteranopia (green-blind)

#646F8B

Tritanopia (blue-blind)

#008381

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #307d8b;
/* rgb */ color: rgb(48, 125, 139);
/* oklch */ color: oklch(54.8% 0.077 211.6);

Tailwind

colors: {
  custom: {
    50: '#74a3ac',
    500: '#307d8b',
    950: '#000000',
  },
}

SCSS

$custom: #307d8b;
$custom-light: #74a3ac;
$custom-dark: #000000;

JSON

{
  "hex": "#307d8b",
  "rgb": {
    "r": 48,
    "g": 125,
    "b": 139
  },
  "hsl": {
    "h": 189.231,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.54832,
    "c": 0.07711,
    "h": 211.6
  },
  "luminance": 0.1716
}

Semantic roles & 50–950 ramp

primary

#307D8B

secondary

#B37064

accent

#6550D8

background

#F7FAFA

surface

#EDF3F4

border

#C8CDCE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #307D8B

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

Preview Lab → · Contrast checker → · Palette generator →