#306F8D#306F8D

#306F8D is a mid, moderate cyan. Relative luminance 0.139; OKLCH L 51.4% C 0.080 H 231.9°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#306F8D
RGB	rgb(48, 111, 141)
HSL	hsl(199, 49%, 37%)
HSV	hsv(199, 66%, 55%)
CMYK	cmyk(66%, 21.3%, 0%, 44.7%)
CIE-LAB	lab(44.12, -10.33, -22.41)
CIE-LCH	lch(44.12, 24.68, 245.24°)
OKLab	oklab(51.38% -0.0492 -0.0627)
OKLCH	oklch(51.38% 0.08 231.9)
XYZ	xyz(11.7092, 13.9191, 27.2637)
Luminance	0.1392 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306F8D #8D4E30

analogous

#308D7D #306F8D #30418D

triadic

#306F8D #8D306F #6F8D30

tetradic

#306F8D #7D308D #8D4E30 #418D30

square

#306F8D #7D308D #8D4E30 #418D30

split-complementary

#306F8D #8D3041 #8D7D30

monochromatic

#112732 #204B5F #306F8D #4093BB #6BADCD

Accessibility & contrast

On white

5.55

#306F8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#306F8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306F8D

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306F8D	#FFFFFF	#000000	##FFFFFF
##306F8D	1.00	5.55	3.78	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#606E8E

Deuteranopia (green-blind)

#53648D

Tritanopia (blue-blind)

#007779

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #306f8d;
/* rgb */ color: rgb(48, 111, 141);
/* oklch */ color: oklch(51.4% 0.080 231.9);

Tailwind

colors: {
  custom: {
    50: '#7398ae',
    500: '#306f8d',
    950: '#000000',
  },
}

SCSS

$custom: #306f8d;
$custom-light: #7398ae;
$custom-dark: #000000;

JSON

{
  "hex": "#306f8d",
  "rgb": {
    "r": 48,
    "g": 111,
    "b": 141
  },
  "hsl": {
    "h": 199.355,
    "s": 49.206,
    "l": 37.059
  },
  "oklch": {
    "l": 0.51382,
    "c": 0.07972,
    "h": 231.9
  },
  "luminance": 0.1392
}

Semantic roles & 50–950 ramp

primary

#306F8D

secondary

#B47E65

accent

#7B4FD9

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090D10

muted

#7B7E7F

Preview Lab

Preview with #306F8D

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

Preview Lab → · Contrast checker → · Palette generator →