#306D8F#306D8F

#306D8F is a mid, moderate cyan. Relative luminance 0.135; OKLCH L 51.0% C 0.083 H 236.0°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#306D8F
RGB	rgb(48, 109, 143)
HSL	hsl(201, 50%, 37%)
HSV	hsv(201, 66%, 56%)
CMYK	cmyk(66.4%, 23.8%, 0%, 43.9%)
CIE-LAB	lab(43.58, -8.47, -24.44)
CIE-LCH	lch(43.58, 25.86, 250.88°)
OKLab	oklab(50.98% -0.0462 -0.0686)
OKLCH	oklch(50.98% 0.083 236)
XYZ	xyz(11.6436, 13.5476, 27.9826)
Luminance	0.1355 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306D8F #8F5230

analogous

#308F82 #306D8F #303D8F

triadic

#306D8F #8F306D #6D8F30

tetradic

#306D8F #82308F #8F5230 #3D8F30

square

#306D8F #82308F #8F5230 #3D8F30

split-complementary

#306D8F #8F303D #8F8230

monochromatic

#112733 #214A61 #306D8F #3F90BD #6CABCE

Accessibility & contrast

On white

5.66

#306D8F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#306D8F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306D8F

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306D8F	#FFFFFF	#000000	##FFFFFF
##306D8F	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D6C91

Deuteranopia (green-blind)

#50638E

Tritanopia (blue-blind)

#007678

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #306d8f;
/* rgb */ color: rgb(48, 109, 143);
/* oklch */ color: oklch(51.0% 0.083 236.0);

Tailwind

colors: {
  custom: {
    50: '#7396b0',
    500: '#306d8f',
    950: '#000000',
  },
}

SCSS

$custom: #306d8f;
$custom-light: #7396b0;
$custom-dark: #000000;

JSON

{
  "hex": "#306d8f",
  "rgb": {
    "r": 48,
    "g": 109,
    "b": 143
  },
  "hsl": {
    "h": 201.474,
    "s": 49.738,
    "l": 37.451
  },
  "oklch": {
    "l": 0.50982,
    "c": 0.08269,
    "h": 236
  },
  "luminance": 0.13549
}

Semantic roles & 50–950 ramp

primary

#306D8F

secondary

#B58266

accent

#804FD9

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090D10

muted

#7B7E7F

Preview Lab

Preview with #306D8F

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

Preview Lab → · Contrast checker → · Palette generator →