#307F9D#307F9D

#307F9D is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.1% C 0.088 H 226.9°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#307F9D
RGB	rgb(48, 127, 157)
HSL	hsl(197, 53%, 40%)
HSV	hsv(197, 69%, 62%)
CMYK	cmyk(69.4%, 19.1%, 0%, 38.4%)
CIE-LAB	lab(49.79, -14.01, -23.09)
CIE-LCH	lch(49.79, 27.01, 238.76°)
OKLab	oklab(56.13% -0.0605 -0.0646)
OKLCH	oklch(56.13% 0.089 226.9)
XYZ	xyz(14.8917, 18.2398, 34.6276)
Luminance	0.1824 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307F9D #9D4E30

analogous

#309D85 #307F9D #30489D

triadic

#307F9D #9D307F #7F9D30

tetradic

#307F9D #85309D #9D4E30 #489D30

square

#307F9D #85309D #9D4E30 #489D30

split-complementary

#307F9D #9D3048 #9D8530

monochromatic

#13333F #22596E #307F9D #44A2C6 #73BAD4

Accessibility & contrast

On white

4.52

#307F9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#307F9D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307F9D

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307F9D	#FFFFFF	#000000	##000000
##307F9D	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7D9F

Deuteranopia (green-blind)

#60729D

Tritanopia (blue-blind)

#008889

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #307f9d;
/* rgb */ color: rgb(48, 127, 157);
/* oklch */ color: oklch(56.1% 0.088 226.9);

Tailwind

colors: {
  custom: {
    50: '#76a4ba',
    500: '#307f9d',
    950: '#000000',
  },
}

SCSS

$custom: #307f9d;
$custom-light: #76a4ba;
$custom-dark: #000000;

JSON

{
  "hex": "#307f9d",
  "rgb": {
    "r": 48,
    "g": 127,
    "b": 157
  },
  "hsl": {
    "h": 196.514,
    "s": 53.171,
    "l": 40.196
  },
  "oklch": {
    "l": 0.56128,
    "c": 0.0885,
    "h": 226.9
  },
  "luminance": 0.18241
}

Semantic roles & 50–950 ramp

primary

#307F9D

secondary

#BC836D

accent

#734BDD

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #307F9D

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

Preview Lab → · Contrast checker → · Palette generator →