#307D9D#307D9D

#307D9D is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.6% C 0.089 H 229.1°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#307D9D
RGB	rgb(48, 125, 157)
HSL	hsl(198, 53%, 40%)
HSV	hsv(198, 69%, 62%)
CMYK	cmyk(69.4%, 20.4%, 0%, 38.4%)
CIE-LAB	lab(49.16, -12.89, -24.05)
CIE-LCH	lch(49.16, 27.29, 241.82°)
OKLab	oklab(55.63% -0.0583 -0.0674)
OKLCH	oklch(55.63% 0.089 229.1)
XYZ	xyz(14.6359, 17.7283, 34.5423)
Luminance	0.1773 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307D9D #9D5030

analogous

#309D87 #307D9D #30469D

triadic

#307D9D #9D307D #7D9D30

tetradic

#307D9D #87309D #9D5030 #469D30

square

#307D9D #87309D #9D5030 #469D30

split-complementary

#307D9D #9D3046 #9D8730

monochromatic

#13323F #22586E #307D9D #44A0C6 #73B8D4

Accessibility & contrast

On white

4.62

#307D9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#307D9D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #307D9D

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307D9D	#FFFFFF	#000000	##FFFFFF
##307D9D	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7B9F

Deuteranopia (green-blind)

#5D709D

Tritanopia (blue-blind)

#008688

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #307d9d;
/* rgb */ color: rgb(48, 125, 157);
/* oklch */ color: oklch(55.6% 0.089 229.1);

Tailwind

colors: {
  custom: {
    50: '#76a2ba',
    500: '#307d9d',
    950: '#000000',
  },
}

SCSS

$custom: #307d9d;
$custom-light: #76a2ba;
$custom-dark: #000000;

JSON

{
  "hex": "#307d9d",
  "rgb": {
    "r": 48,
    "g": 125,
    "b": 157
  },
  "hsl": {
    "h": 197.615,
    "s": 53.171,
    "l": 40.196
  },
  "oklch": {
    "l": 0.55632,
    "c": 0.08912,
    "h": 229.1
  },
  "luminance": 0.1773
}

Semantic roles & 50–950 ramp

primary

#307D9D

secondary

#BC846D

accent

#764BDD

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #307D9D

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

Preview Lab → · Contrast checker → · Palette generator →