#306D9C#306D9C

#306D9C is a mid, moderate cyan. Relative luminance 0.140; OKLCH L 51.7% C 0.098 H 244.7°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#306D9C
RGB	rgb(48, 109, 156)
HSL	hsl(206, 53%, 40%)
HSV	hsv(206, 69%, 61%)
CMYK	cmyk(69.2%, 30.1%, 0%, 38.8%)
CIE-LAB	lab(44.18, -3.88, -31.22)
CIE-LCH	lch(44.18, 31.46, 262.91°)
OKLab	oklab(51.66% -0.0417 -0.0882)
OKLCH	oklch(51.66% 0.098 244.7)
XYZ	xyz(12.6860, 13.9646, 33.4729)
Luminance	0.1397 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306D9C #9C5F30

analogous

#309C95 #306D9C #30379C

triadic

#306D9C #9C306D #6D9C30

tetradic

#306D9C #95309C #9C5F30 #379C30

square

#306D9C #95309C #9C5F30 #379C30

split-complementary

#306D9C #9C3037 #9C9530

monochromatic

#132C3E #224C6D #306D9C #448DC5 #73AAD4

Accessibility & contrast

On white

5.54

#306D9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#306D9C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306D9C

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306D9C	#FFFFFF	#000000	##FFFFFF
##306D9C	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#586E9E

Deuteranopia (green-blind)

#49649B

Tritanopia (blue-blind)

#00787E

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #306d9c;
/* rgb */ color: rgb(48, 109, 156);
/* oklch */ color: oklch(51.7% 0.098 244.7);

Tailwind

colors: {
  custom: {
    50: '#7596b9',
    500: '#306d9c',
    950: '#000000',
  },
}

SCSS

$custom: #306d9c;
$custom-light: #7596b9;
$custom-dark: #000000;

JSON

{
  "hex": "#306d9c",
  "rgb": {
    "r": 48,
    "g": 109,
    "b": 156
  },
  "hsl": {
    "h": 206.111,
    "s": 52.941,
    "l": 40
  },
  "oklch": {
    "l": 0.5166,
    "c": 0.09756,
    "h": 244.7
  },
  "luminance": 0.13966
}

Semantic roles & 50–950 ramp

primary

#306D9C

secondary

#BC8F6C

accent

#8B4BDC

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #306D9C

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

Preview Lab → · Contrast checker → · Palette generator →