#307A9F#307A9F

#307A9F is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.0% C 0.092 H 233.9°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#307A9F
RGB	rgb(48, 122, 159)
HSL	hsl(200, 54%, 41%)
HSV	hsv(200, 70%, 62%)
CMYK	cmyk(69.8%, 23.3%, 0%, 37.6%)
CIE-LAB	lab(48.32, -10.49, -26.53)
CIE-LCH	lch(48.32, 28.52, 248.42°)
OKLab	oklab(54.99% -0.0544 -0.0745)
OKLCH	oklch(54.99% 0.092 233.9)
XYZ	xyz(14.4340, 17.0491, 35.3243)
Luminance	0.1705 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307A9F #9F5530

analogous

#309F8C #307A9F #30429F

triadic

#307A9F #9F307A #7A9F30

tetradic

#307A9F #8C309F #9F5530 #429F30

square

#307A9F #8C309F #9F5530 #429F30

split-complementary

#307A9F #9F3042 #9F8C30

monochromatic

#143241 #225670 #307A9F #459CC7 #74B5D5

Accessibility & contrast

On white

4.76

#307A9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#307A9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #307A9F

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307A9F	#FFFFFF	#000000	##FFFFFF
##307A9F	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6879A1

Deuteranopia (green-blind)

#596E9E

Tritanopia (blue-blind)

#008486

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #307a9f;
/* rgb */ color: rgb(48, 122, 159);
/* oklch */ color: oklch(55.0% 0.092 233.9);

Tailwind

colors: {
  custom: {
    50: '#76a0bb',
    500: '#307a9f',
    950: '#000000',
  },
}

SCSS

$custom: #307a9f;
$custom-light: #76a0bb;
$custom-dark: #000000;

JSON

{
  "hex": "#307a9f",
  "rgb": {
    "r": 48,
    "g": 122,
    "b": 159
  },
  "hsl": {
    "h": 200,
    "s": 53.623,
    "l": 40.588
  },
  "oklch": {
    "l": 0.54988,
    "c": 0.09226,
    "h": 233.9
  },
  "luminance": 0.17051
}

Semantic roles & 50–950 ramp

primary

#307A9F

secondary

#BD886E

accent

#7C4BDD

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #307A9F

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

Preview Lab → · Contrast checker → · Palette generator →