#307DA6#307DA6

#307DA6 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.1% C 0.098 H 235.7°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#307DA6
RGB	rgb(48, 125, 166)
HSL	hsl(201, 55%, 42%)
HSV	hsv(201, 71%, 65%)
CMYK	cmyk(71.1%, 24.7%, 0%, 34.9%)
CIE-LAB	lab(49.55, -9.78, -28.70)
CIE-LCH	lch(49.55, 30.32, 251.18°)
OKLab	oklab(56.07% -0.055 -0.0807)
OKLCH	oklch(56.07% 0.098 235.7)
XYZ	xyz(15.4328, 18.0471, 38.7391)
Luminance	0.1805 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307DA6 #A65930

analogous

#30A694 #307DA6 #3042A6

triadic

#307DA6 #A6307D #7DA630

tetradic

#307DA6 #9430A6 #A65930 #42A630

square

#307DA6 #9430A6 #A65930 #42A630

split-complementary

#307DA6 #A63042 #A69430

monochromatic

#153647 #225977 #307DA6 #499DCA #78B7D8

Accessibility & contrast

On white

4.56

#307DA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#307DA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307DA6

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307DA6	#FFFFFF	#000000	##000000
##307DA6	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697CA8

Deuteranopia (green-blind)

#5971A5

Tritanopia (blue-blind)

#00888B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #307da6;
/* rgb */ color: rgb(48, 125, 166);
/* oklch */ color: oklch(56.1% 0.098 235.7);

Tailwind

colors: {
  custom: {
    50: '#77a2c0',
    500: '#307da6',
    950: '#000000',
  },
}

SCSS

$custom: #307da6;
$custom-light: #77a2c0;
$custom-dark: #000000;

JSON

{
  "hex": "#307da6",
  "rgb": {
    "r": 48,
    "g": 125,
    "b": 166
  },
  "hsl": {
    "h": 200.847,
    "s": 55.14,
    "l": 41.961
  },
  "oklch": {
    "l": 0.56069,
    "c": 0.09772,
    "h": 235.7
  },
  "luminance": 0.18049
}

Semantic roles & 50–950 ramp

primary

#307DA6

secondary

#C08D71

accent

#7D49DE

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #307DA6

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

Preview Lab → · Contrast checker → · Palette generator →