#307FA1#307FA1

#307FA1 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.3% C 0.092 H 230.1°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#307FA1
RGB	rgb(48, 127, 161)
HSL	hsl(198, 54%, 41%)
HSV	hsv(198, 70%, 63%)
CMYK	cmyk(70.2%, 21.1%, 0%, 36.9%)
CIE-LAB	lab(49.95, -12.65, -25.17)
CIE-LCH	lch(49.95, 28.17, 243.32°)
OKLab	oklab(56.32% -0.0589 -0.0706)
OKLCH	oklch(56.32% 0.092 230.1)
XYZ	xyz(15.2388, 18.3786, 36.4556)
Luminance	0.1838 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307FA1 #A15230

analogous

#30A18A #307FA1 #3046A1

triadic

#307FA1 #A1307F #7FA130

tetradic

#307FA1 #8A30A1 #A15230 #46A130

square

#307FA1 #8A30A1 #A15230 #46A130

split-complementary

#307FA1 #A13046 #A18A30

monochromatic

#143543 #225A72 #307FA1 #46A1C8 #75B9D6

Accessibility & contrast

On white

4.49

#307FA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#307FA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307FA1

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307FA1	#FFFFFF	#000000	##000000
##307FA1	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7DA3

Deuteranopia (green-blind)

#5E72A1

Tritanopia (blue-blind)

#00888A

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #307fa1;
/* rgb */ color: rgb(48, 127, 161);
/* oklch */ color: oklch(56.3% 0.092 230.1);

Tailwind

colors: {
  custom: {
    50: '#77a4bd',
    500: '#307fa1',
    950: '#000000',
  },
}

SCSS

$custom: #307fa1;
$custom-light: #77a4bd;
$custom-dark: #000000;

JSON

{
  "hex": "#307fa1",
  "rgb": {
    "r": 48,
    "g": 127,
    "b": 161
  },
  "hsl": {
    "h": 198.053,
    "s": 54.067,
    "l": 40.98
  },
  "oklch": {
    "l": 0.56316,
    "c": 0.09194,
    "h": 230.1
  },
  "luminance": 0.1838
}

Semantic roles & 50–950 ramp

primary

#307FA1

secondary

#BE876F

accent

#774ADD

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #307FA1

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

Preview Lab → · Contrast checker → · Palette generator →