#307F9F#307F9F

#307F9F is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.2% C 0.090 H 228.5°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#307F9F
RGB	rgb(48, 127, 159)
HSL	hsl(197, 54%, 41%)
HSV	hsv(197, 70%, 62%)
CMYK	cmyk(69.8%, 20.1%, 0%, 37.6%)
CIE-LAB	lab(49.87, -13.33, -24.13)
CIE-LCH	lch(49.87, 27.57, 241.08°)
OKLab	oklab(56.22% -0.0597 -0.0676)
OKLCH	oklch(56.22% 0.09 228.5)
XYZ	xyz(15.0638, 18.3087, 35.5342)
Luminance	0.1831 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307F9F #9F5030

analogous

#309F87 #307F9F #30489F

triadic

#307F9F #9F307F #7F9F30

tetradic

#307F9F #87309F #9F5030 #489F30

square

#307F9F #87309F #9F5030 #489F30

split-complementary

#307F9F #9F3048 #9F8730

monochromatic

#143441 #225970 #307F9F #45A2C7 #74B9D5

Accessibility & contrast

On white

4.50

#307F9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#307F9F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307F9F

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307F9F	#FFFFFF	#000000	##000000
##307F9F	1.00	4.50	4.66	4.66
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7DA1

Deuteranopia (green-blind)

#5F729F

Tritanopia (blue-blind)

#00888A

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #307f9f;
/* rgb */ color: rgb(48, 127, 159);
/* oklch */ color: oklch(56.2% 0.090 228.5);

Tailwind

colors: {
  custom: {
    50: '#76a4bb',
    500: '#307f9f',
    950: '#000000',
  },
}

SCSS

$custom: #307f9f;
$custom-light: #76a4bb;
$custom-dark: #000000;

JSON

{
  "hex": "#307f9f",
  "rgb": {
    "r": 48,
    "g": 127,
    "b": 159
  },
  "hsl": {
    "h": 197.297,
    "s": 53.623,
    "l": 40.588
  },
  "oklch": {
    "l": 0.56221,
    "c": 0.09018,
    "h": 228.5
  },
  "luminance": 0.1831
}

Semantic roles & 50–950 ramp

primary

#307F9F

secondary

#BD856E

accent

#754BDD

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #307F9F

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

Preview Lab → · Contrast checker → · Palette generator →