#307FA6#307FA6

#307FA6 is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.6% C 0.097 H 233.8°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#307FA6
RGB	rgb(48, 127, 166)
HSL	hsl(200, 55%, 42%)
HSV	hsv(200, 71%, 65%)
CMYK	cmyk(71.1%, 23.5%, 0%, 34.9%)
CIE-LAB	lab(50.17, -10.93, -27.74)
CIE-LCH	lch(50.17, 29.82, 248.50°)
OKLab	oklab(56.56% -0.0571 -0.078)
OKLCH	oklch(56.56% 0.097 233.8)
XYZ	xyz(15.6885, 18.5585, 38.8243)
Luminance	0.1856 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307FA6 #A65730

analogous

#30A692 #307FA6 #3044A6

triadic

#307FA6 #A6307F #7FA630

tetradic

#307FA6 #9230A6 #A65730 #44A630

square

#307FA6 #9230A6 #A65730 #44A630

split-complementary

#307FA6 #A63044 #A69230

monochromatic

#153647 #225B77 #307FA6 #49A0CA #78B8D8

Accessibility & contrast

On white

4.46

#307FA6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#307FA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307FA6

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307FA6	#FFFFFF	#000000	##000000
##307FA6	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7EA8

Deuteranopia (green-blind)

#5C72A5

Tritanopia (blue-blind)

#00898C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #307fa6;
/* rgb */ color: rgb(48, 127, 166);
/* oklch */ color: oklch(56.6% 0.097 233.8);

Tailwind

colors: {
  custom: {
    50: '#77a4c0',
    500: '#307fa6',
    950: '#000000',
  },
}

SCSS

$custom: #307fa6;
$custom-light: #77a4c0;
$custom-dark: #000000;

JSON

{
  "hex": "#307fa6",
  "rgb": {
    "r": 48,
    "g": 127,
    "b": 166
  },
  "hsl": {
    "h": 199.831,
    "s": 55.14,
    "l": 41.961
  },
  "oklch": {
    "l": 0.56557,
    "c": 0.09664,
    "h": 233.8
  },
  "luminance": 0.1856
}

Semantic roles & 50–950 ramp

primary

#307FA6

secondary

#C08C71

accent

#7B49DE

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #307FA6

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

Preview Lab → · Contrast checker → · Palette generator →