#307C9A#307C9A

#307C9A is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.2% C 0.087 H 227.7°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#307C9A
RGB	rgb(48, 124, 154)
HSL	hsl(197, 52%, 40%)
HSV	hsv(197, 69%, 60%)
CMYK	cmyk(68.8%, 19.5%, 0%, 39.6%)
CIE-LAB	lab(48.73, -13.34, -22.97)
CIE-LCH	lch(48.73, 26.56, 239.85°)
OKLab	oklab(55.24% -0.0584 -0.0643)
OKLCH	oklch(55.24% 0.087 227.7)
XYZ	xyz(14.2570, 17.3752, 33.1680)
Luminance	0.1738 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307C9A #9A4E30

analogous

#309A83 #307C9A #30479A

triadic

#307C9A #9A307C #7C9A30

tetradic

#307C9A #83309A #9A4E30 #479A30

square

#307C9A #83309A #9A4E30 #479A30

split-complementary

#307C9A #9A3047 #9A8330

monochromatic

#13313D #21566B #307C9A #43A0C4 #72B7D3

Accessibility & contrast

On white

4.69

#307C9A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#307C9A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #307C9A

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307C9A	#FFFFFF	#000000	##FFFFFF
##307C9A	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7A9C

Deuteranopia (green-blind)

#5D6F9A

Tritanopia (blue-blind)

#008586

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #307c9a;
/* rgb */ color: rgb(48, 124, 154);
/* oklch */ color: oklch(55.2% 0.087 227.7);

Tailwind

colors: {
  custom: {
    50: '#75a2b7',
    500: '#307c9a',
    950: '#000000',
  },
}

SCSS

$custom: #307c9a;
$custom-light: #75a2b7;
$custom-dark: #000000;

JSON

{
  "hex": "#307c9a",
  "rgb": {
    "r": 48,
    "g": 124,
    "b": 154
  },
  "hsl": {
    "h": 196.981,
    "s": 52.475,
    "l": 39.608
  },
  "oklch": {
    "l": 0.55243,
    "c": 0.08686,
    "h": 227.7
  },
  "luminance": 0.17377
}

Semantic roles & 50–950 ramp

primary

#307C9A

secondary

#BB826B

accent

#754CDC

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090F11

muted

#7B7E80

Preview Lab

Preview with #307C9A

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

Preview Lab → · Contrast checker → · Palette generator →