#307C99#307C99

#307C99 is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.2% C 0.086 H 226.9°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#307C99
RGB	rgb(48, 124, 153)
HSL	hsl(197, 52%, 39%)
HSV	hsv(197, 69%, 60%)
CMYK	cmyk(68.6%, 19%, 0%, 40%)
CIE-LAB	lab(48.69, -13.68, -22.45)
CIE-LCH	lch(48.69, 26.29, 238.64°)
OKLab	oklab(55.2% -0.0588 -0.0628)
OKLCH	oklch(55.2% 0.086 226.9)
XYZ	xyz(14.1740, 17.3420, 32.7312)
Luminance	0.1734 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307C99 #994D30

analogous

#309982 #307C99 #304899

triadic

#307C99 #99307C #7C9930

tetradic

#307C99 #823099 #994D30 #489930

square

#307C99 #823099 #994D30 #489930

split-complementary

#307C99 #993048 #998230

monochromatic

#13303C #21566A #307C99 #42A0C4 #71B8D2

Accessibility & contrast

On white

4.70

#307C99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#307C99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #307C99

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307C99	#FFFFFF	#000000	##FFFFFF
##307C99	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7A9A

Deuteranopia (green-blind)

#5E6F99

Tritanopia (blue-blind)

#008485

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #307c99;
/* rgb */ color: rgb(48, 124, 153);
/* oklch */ color: oklch(55.2% 0.086 226.9);

Tailwind

colors: {
  custom: {
    50: '#75a2b7',
    500: '#307c99',
    950: '#000000',
  },
}

SCSS

$custom: #307c99;
$custom-light: #75a2b7;
$custom-dark: #000000;

JSON

{
  "hex": "#307c99",
  "rgb": {
    "r": 48,
    "g": 124,
    "b": 153
  },
  "hsl": {
    "h": 196.571,
    "s": 52.239,
    "l": 39.412
  },
  "oklch": {
    "l": 0.55196,
    "c": 0.08602,
    "h": 226.9
  },
  "luminance": 0.17344
}

Semantic roles & 50–950 ramp

primary

#307C99

secondary

#BA816B

accent

#744CDC

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090F11

muted

#7B7E80

Preview Lab

Preview with #307C99

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

Preview Lab → · Contrast checker → · Palette generator →