#306D9E#306D9E

#306D9E is a mid, moderate cyan. Relative luminance 0.140; OKLCH L 51.8% C 0.100 H 245.7°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#306D9E
RGB	rgb(48, 109, 158)
HSL	hsl(207, 53%, 40%)
HSV	hsv(207, 70%, 62%)
CMYK	cmyk(69.6%, 31%, 0%, 38%)
CIE-LAB	lab(44.28, -3.16, -32.25)
CIE-LCH	lch(44.28, 32.40, 264.40°)
OKLab	oklab(51.77% -0.0411 -0.0912)
OKLCH	oklch(51.77% 0.1 245.7)
XYZ	xyz(12.8568, 14.0329, 34.3722)
Luminance	0.1403 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306D9E #9E6130

analogous

#309E98 #306D9E #30369E

triadic

#306D9E #9E306D #6D9E30

tetradic

#306D9E #98309E #9E6130 #369E30

square

#306D9E #98309E #9E6130 #369E30

split-complementary

#306D9E #9E3036 #9E9830

monochromatic

#132C40 #224D6F #306D9E #458DC6 #74A9D5

Accessibility & contrast

On white

5.52

#306D9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#306D9E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306D9E

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306D9E	#FFFFFF	#000000	##FFFFFF
##306D9E	1.00	5.52	3.81	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#576FA0

Deuteranopia (green-blind)

#48649D

Tritanopia (blue-blind)

#00797E

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #306d9e;
/* rgb */ color: rgb(48, 109, 158);
/* oklch */ color: oklch(51.8% 0.100 245.7);

Tailwind

colors: {
  custom: {
    50: '#7596bb',
    500: '#306d9e',
    950: '#000000',
  },
}

SCSS

$custom: #306d9e;
$custom-light: #7596bb;
$custom-dark: #000000;

JSON

{
  "hex": "#306d9e",
  "rgb": {
    "r": 48,
    "g": 109,
    "b": 158
  },
  "hsl": {
    "h": 206.727,
    "s": 53.398,
    "l": 40.392
  },
  "oklch": {
    "l": 0.5177,
    "c": 0.10002,
    "h": 245.7
  },
  "luminance": 0.14034
}

Semantic roles & 50–950 ramp

primary

#306D9E

secondary

#BD916D

accent

#8C4BDD

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #306D9E

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

Preview Lab → · Contrast checker → · Palette generator →