#307D8D#307D8D

#307D8D is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 54.9% C 0.078 H 213.8°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#307D8D
RGB	rgb(48, 125, 141)
HSL	hsl(190, 49%, 37%)
HSV	hsv(190, 66%, 55%)
CMYK	cmyk(66%, 11.3%, 0%, 44.7%)
CIE-LAB	lab(48.53, -18.20, -15.64)
CIE-LCH	lch(48.53, 23.99, 220.67°)
OKLab	oklab(54.92% -0.0648 -0.0434)
OKLCH	oklch(54.92% 0.078 213.8)
XYZ	xyz(13.3583, 17.2173, 27.8134)
Luminance	0.1722 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307D8D #8D4030

analogous

#308D6F #307D8D #304E8D

triadic

#307D8D #8D307D #7D8D30

tetradic

#307D8D #6F308D #8D4030 #4E8D30

square

#307D8D #6F308D #8D4030 #4E8D30

split-complementary

#307D8D #8D304E #8D6F30

monochromatic

#112C32 #20555F #307D8D #40A5BB #6BBCCD

Accessibility & contrast

On white

4.73

#307D8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#307D8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #307D8D

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307D8D	#FFFFFF	#000000	##FFFFFF
##307D8D	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#71798E

Deuteranopia (green-blind)

#646F8D

Tritanopia (blue-blind)

#008382

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #307d8d;
/* rgb */ color: rgb(48, 125, 141);
/* oklch */ color: oklch(54.9% 0.078 213.8);

Tailwind

colors: {
  custom: {
    50: '#74a2ae',
    500: '#307d8d',
    950: '#000000',
  },
}

SCSS

$custom: #307d8d;
$custom-light: #74a2ae;
$custom-dark: #000000;

JSON

{
  "hex": "#307d8d",
  "rgb": {
    "r": 48,
    "g": 125,
    "b": 141
  },
  "hsl": {
    "h": 190.323,
    "s": 49.206,
    "l": 37.059
  },
  "oklch": {
    "l": 0.54916,
    "c": 0.07802,
    "h": 213.8
  },
  "luminance": 0.17219
}

Semantic roles & 50–950 ramp

primary

#307D8D

secondary

#B47365

accent

#674FD9

background

#F7FAFA

surface

#EDF3F4

border

#C8CDCE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #307D8D

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

Preview Lab → · Contrast checker → · Palette generator →