#307C9F#307C9F

#307C9F is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.5% C 0.091 H 231.8°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#307C9F
RGB	rgb(48, 124, 159)
HSL	hsl(199, 54%, 41%)
HSV	hsv(199, 70%, 62%)
CMYK	cmyk(69.8%, 22%, 0%, 37.6%)
CIE-LAB	lab(48.94, -11.63, -25.57)
CIE-LCH	lch(48.94, 28.09, 245.53°)
OKLab	oklab(55.48% -0.0565 -0.0717)
OKLCH	oklch(55.48% 0.091 231.8)
XYZ	xyz(14.6821, 17.5453, 35.4070)
Luminance	0.1755 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307C9F #9F5330

analogous

#309F8A #307C9F #30449F

triadic

#307C9F #9F307C #7C9F30

tetradic

#307C9F #8A309F #9F5330 #449F30

square

#307C9F #8A309F #9F5330 #449F30

split-complementary

#307C9F #9F3044 #9F8A30

monochromatic

#143341 #225770 #307C9F #459EC7 #74B7D5

Accessibility & contrast

On white

4.66

#307C9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#307C9F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #307C9F

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307C9F	#FFFFFF	#000000	##FFFFFF
##307C9F	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7AA1

Deuteranopia (green-blind)

#5B6F9E

Tritanopia (blue-blind)

#008588

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #307c9f;
/* rgb */ color: rgb(48, 124, 159);
/* oklch */ color: oklch(55.5% 0.091 231.8);

Tailwind

colors: {
  custom: {
    50: '#76a1bb',
    500: '#307c9f',
    950: '#000000',
  },
}

SCSS

$custom: #307c9f;
$custom-light: #76a1bb;
$custom-dark: #000000;

JSON

{
  "hex": "#307c9f",
  "rgb": {
    "r": 48,
    "g": 124,
    "b": 159
  },
  "hsl": {
    "h": 198.919,
    "s": 53.623,
    "l": 40.588
  },
  "oklch": {
    "l": 0.5548,
    "c": 0.09133,
    "h": 231.8
  },
  "luminance": 0.17547
}

Semantic roles & 50–950 ramp

primary

#307C9F

secondary

#BD876E

accent

#794BDD

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #307C9F

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

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