#306C8B#306C8B

#306C8B is a mid, moderate cyan. Relative luminance 0.132; OKLCH L 50.5% C 0.079 H 233.9°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#306C8B
RGB	rgb(48, 108, 139)
HSL	hsl(200, 49%, 37%)
HSV	hsv(200, 65%, 55%)
CMYK	cmyk(65.5%, 22.3%, 0%, 45.5%)
CIE-LAB	lab(43.09, -9.27, -22.81)
CIE-LCH	lch(43.09, 24.62, 247.89°)
OKLab	oklab(50.54% -0.0466 -0.0639)
OKLCH	oklch(50.54% 0.079 233.9)
XYZ	xyz(11.2399, 13.2164, 26.3798)
Luminance	0.1322 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306C8B #8B4F30

analogous

#308B7D #306C8B #303E8B

triadic

#306C8B #8B306C #6C8B30

tetradic

#306C8B #7D308B #8B4F30 #3E8B30

square

#306C8B #7D308B #8B4F30 #3E8B30

split-complementary

#306C8B #8B303E #8B7D30

monochromatic

#112530 #20495E #306C8B #408FB8 #6AAACC

Accessibility & contrast

On white

5.76

#306C8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#306C8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306C8B

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306C8B	#FFFFFF	#000000	##FFFFFF
##306C8B	1.00	5.76	3.64	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D6B8C

Deuteranopia (green-blind)

#50628B

Tritanopia (blue-blind)

#007476

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #306c8b;
/* rgb */ color: rgb(48, 108, 139);
/* oklch */ color: oklch(50.5% 0.079 233.9);

Tailwind

colors: {
  custom: {
    50: '#7296ad',
    500: '#306c8b',
    950: '#000000',
  },
}

SCSS

$custom: #306c8b;
$custom-light: #7296ad;
$custom-dark: #000000;

JSON

{
  "hex": "#306c8b",
  "rgb": {
    "r": 48,
    "g": 108,
    "b": 139
  },
  "hsl": {
    "h": 200.44,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.50535,
    "c": 0.07906,
    "h": 233.9
  },
  "luminance": 0.13218
}

Semantic roles & 50–950 ramp

primary

#306C8B

secondary

#B37F64

accent

#7E50D8

background

#F7F9FA

surface

#EDF1F4

border

#C8CBCE

text

#090D10

muted

#7B7E7F

Preview Lab

Preview with #306C8B

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

Preview Lab → · Contrast checker → · Palette generator →