#306F9C#306F9C

#306F9C is a mid, moderate cyan. Relative luminance 0.144; OKLCH L 52.1% C 0.096 H 242.8°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#306F9C
RGB	rgb(48, 111, 156)
HSL	hsl(205, 53%, 40%)
HSV	hsv(205, 69%, 61%)
CMYK	cmyk(69.2%, 28.8%, 0%, 38.8%)
CIE-LAB	lab(44.80, -5.09, -30.26)
CIE-LCH	lch(44.80, 30.68, 260.46°)
OKLab	oklab(52.15% -0.0438 -0.0854)
OKLCH	oklch(52.15% 0.096 242.8)
XYZ	xyz(12.9018, 14.3962, 33.5448)
Luminance	0.1440 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306F9C #9C5D30

analogous

#309C93 #306F9C #30399C

triadic

#306F9C #9C306F #6F9C30

tetradic

#306F9C #93309C #9C5D30 #399C30

square

#306F9C #93309C #9C5D30 #399C30

split-complementary

#306F9C #9C3039 #9C9330

monochromatic

#132C3E #224E6D #306F9C #448FC5 #73ABD4

Accessibility & contrast

On white

5.41

#306F9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#306F9C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306F9C

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306F9C	#FFFFFF	#000000	##FFFFFF
##306F9C	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B709E

Deuteranopia (green-blind)

#4C659B

Tritanopia (blue-blind)

#007A7F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #306f9c;
/* rgb */ color: rgb(48, 111, 156);
/* oklch */ color: oklch(52.1% 0.096 242.8);

Tailwind

colors: {
  custom: {
    50: '#7598b9',
    500: '#306f9c',
    950: '#000000',
  },
}

SCSS

$custom: #306f9c;
$custom-light: #7598b9;
$custom-dark: #000000;

JSON

{
  "hex": "#306f9c",
  "rgb": {
    "r": 48,
    "g": 111,
    "b": 156
  },
  "hsl": {
    "h": 205,
    "s": 52.941,
    "l": 40
  },
  "oklch": {
    "l": 0.52145,
    "c": 0.09598,
    "h": 242.8
  },
  "luminance": 0.14398
}

Semantic roles & 50–950 ramp

primary

#306F9C

secondary

#BC8D6C

accent

#884BDC

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #306F9C

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

Preview Lab → · Contrast checker → · Palette generator →