#307C8D#307C8D

#307C8D is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 54.7% C 0.078 H 215.1°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#307C8D
RGB	rgb(48, 124, 141)
HSL	hsl(191, 49%, 37%)
HSV	hsv(191, 66%, 55%)
CMYK	cmyk(66%, 12.1%, 0%, 44.7%)
CIE-LAB	lab(48.22, -17.65, -16.12)
CIE-LCH	lch(48.22, 23.91, 222.40°)
OKLab	oklab(54.66% -0.0637 -0.0448)
OKLCH	oklch(54.66% 0.078 215.1)
XYZ	xyz(13.2323, 16.9654, 27.7714)
Luminance	0.1697 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307C8D #8D4130

analogous

#308D70 #307C8D #304E8D

triadic

#307C8D #8D307C #7C8D30

tetradic

#307C8D #70308D #8D4130 #4E8D30

square

#307C8D #70308D #8D4130 #4E8D30

split-complementary

#307C8D #8D304E #8D7030

monochromatic

#112C32 #20545F #307C8D #40A4BB #6BBBCD

Accessibility & contrast

On white

4.78

#307C8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#307C8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #307C8D

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307C8D	#FFFFFF	#000000	##FFFFFF
##307C8D	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#70788E

Deuteranopia (green-blind)

#636E8D

Tritanopia (blue-blind)

#008281

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #307c8d;
/* rgb */ color: rgb(48, 124, 141);
/* oklch */ color: oklch(54.7% 0.078 215.1);

Tailwind

colors: {
  custom: {
    50: '#74a2ae',
    500: '#307c8d',
    950: '#000000',
  },
}

SCSS

$custom: #307c8d;
$custom-light: #74a2ae;
$custom-dark: #000000;

JSON

{
  "hex": "#307c8d",
  "rgb": {
    "r": 48,
    "g": 124,
    "b": 141
  },
  "hsl": {
    "h": 190.968,
    "s": 49.206,
    "l": 37.059
  },
  "oklch": {
    "l": 0.54662,
    "c": 0.07787,
    "h": 215.1
  },
  "luminance": 0.16967
}

Semantic roles & 50–950 ramp

primary

#307C8D

secondary

#B47365

accent

#684FD9

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090F10

muted

#7B7E7F

Preview Lab

Preview with #307C8D

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

Preview Lab → · Contrast checker → · Palette generator →