#307FA8#307FA8

#307FA8 is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.7% C 0.099 H 235.1°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#307FA8
RGB	rgb(48, 127, 168)
HSL	hsl(201, 56%, 42%)
HSV	hsv(201, 71%, 66%)
CMYK	cmyk(71.4%, 24.4%, 0%, 34.1%)
CIE-LAB	lab(50.25, -10.23, -28.77)
CIE-LCH	lch(50.25, 30.53, 250.42°)
OKLab	oklab(56.66% -0.0564 -0.0809)
OKLCH	oklch(56.66% 0.099 235.1)
XYZ	xyz(15.8734, 18.6325, 39.7981)
Luminance	0.1863 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307FA8 #A85930

analogous

#30A895 #307FA8 #3043A8

triadic

#307FA8 #A8307F #7FA830

tetradic

#307FA8 #9530A8 #A85930 #43A830

square

#307FA8 #9530A8 #A85930 #43A830

split-complementary

#307FA8 #A83043 #A89530

monochromatic

#153749 #225B78 #307FA8 #4A9FCB #7AB8D9

Accessibility & contrast

On white

4.44

#307FA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#307FA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307FA8

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307FA8	#FFFFFF	#000000	##000000
##307FA8	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7EAA

Deuteranopia (green-blind)

#5B72A7

Tritanopia (blue-blind)

#008A8D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #307fa8;
/* rgb */ color: rgb(48, 127, 168);
/* oklch */ color: oklch(56.7% 0.099 235.1);

Tailwind

colors: {
  custom: {
    50: '#78a4c2',
    500: '#307fa8',
    950: '#000000',
  },
}

SCSS

$custom: #307fa8;
$custom-light: #78a4c2;
$custom-dark: #000000;

JSON

{
  "hex": "#307fa8",
  "rgb": {
    "r": 48,
    "g": 127,
    "b": 168
  },
  "hsl": {
    "h": 200.5,
    "s": 55.556,
    "l": 42.353
  },
  "oklch": {
    "l": 0.56656,
    "c": 0.09863,
    "h": 235.1
  },
  "luminance": 0.18634
}

Semantic roles & 50–950 ramp

primary

#307FA8

secondary

#C18D73

accent

#7C49DF

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #307FA8

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

Preview Lab → · Contrast checker → · Palette generator →