#306C8F#306C8F

#306C8F is a mid, moderate cyan. Relative luminance 0.133; OKLCH L 50.7% C 0.083 H 237.2°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#306C8F
RGB	rgb(48, 108, 143)
HSL	hsl(202, 50%, 37%)
HSV	hsv(202, 66%, 56%)
CMYK	cmyk(66.4%, 24.5%, 0%, 43.9%)
CIE-LAB	lab(43.26, -7.88, -24.92)
CIE-LCH	lch(43.26, 26.14, 252.45°)
OKLab	oklab(50.73% -0.0451 -0.07)
OKLCH	oklch(50.73% 0.083 237.2)
XYZ	xyz(11.5375, 13.3355, 27.9472)
Luminance	0.1334 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306C8F #8F5330

analogous

#308F82 #306C8F #303D8F

triadic

#306C8F #8F306C #6C8F30

tetradic

#306C8F #82308F #8F5330 #3D8F30

square

#306C8F #82308F #8F5330 #3D8F30

split-complementary

#306C8F #8F303D #8F8230

monochromatic

#112733 #214961 #306C8F #3F8FBD #6CAACE

Accessibility & contrast

On white

5.73

#306C8F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#306C8F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306C8F

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306C8F	#FFFFFF	#000000	##FFFFFF
##306C8F	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C6C91

Deuteranopia (green-blind)

#4F628E

Tritanopia (blue-blind)

#007578

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #306c8f;
/* rgb */ color: rgb(48, 108, 143);
/* oklch */ color: oklch(50.7% 0.083 237.2);

Tailwind

colors: {
  custom: {
    50: '#7396b0',
    500: '#306c8f',
    950: '#000000',
  },
}

SCSS

$custom: #306c8f;
$custom-light: #7396b0;
$custom-dark: #000000;

JSON

{
  "hex": "#306c8f",
  "rgb": {
    "r": 48,
    "g": 108,
    "b": 143
  },
  "hsl": {
    "h": 202.105,
    "s": 49.738,
    "l": 37.451
  },
  "oklch": {
    "l": 0.50734,
    "c": 0.08325,
    "h": 237.2
  },
  "luminance": 0.13337
}

Semantic roles & 50–950 ramp

primary

#306C8F

secondary

#B58366

accent

#824FD9

background

#F7F9FA

surface

#EDF1F4

border

#C8CBCE

text

#090D10

muted

#7B7E7F

Preview Lab

Preview with #306C8F

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

Preview Lab → · Contrast checker → · Palette generator →