#307A8D#307A8D

#307A8D is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.2% C 0.078 H 217.7°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#307A8D
RGB	rgb(48, 122, 141)
HSL	hsl(192, 49%, 37%)
HSV	hsv(192, 66%, 55%)
CMYK	cmyk(66%, 13.5%, 0%, 44.7%)
CIE-LAB	lab(47.58, -16.56, -17.08)
CIE-LCH	lch(47.58, 23.79, 225.89°)
OKLab	oklab(54.15% -0.0615 -0.0475)
OKLCH	oklch(54.15% 0.078 217.7)
XYZ	xyz(12.9842, 16.4692, 27.6887)
Luminance	0.1647 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307A8D #8D4330

analogous

#308D72 #307A8D #304C8D

triadic

#307A8D #8D307A #7A8D30

tetradic

#307A8D #72308D #8D4330 #4C8D30

square

#307A8D #72308D #8D4330 #4C8D30

split-complementary

#307A8D #8D304C #8D7230

monochromatic

#112B32 #20525F #307A8D #40A2BB #6BB9CD

Accessibility & contrast

On white

4.89

#307A8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#307A8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #307A8D

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307A8D	#FFFFFF	#000000	##FFFFFF
##307A8D	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E778E

Deuteranopia (green-blind)

#606D8D

Tritanopia (blue-blind)

#008180

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #307a8d;
/* rgb */ color: rgb(48, 122, 141);
/* oklch */ color: oklch(54.2% 0.078 217.7);

Tailwind

colors: {
  custom: {
    50: '#74a0ae',
    500: '#307a8d',
    950: '#000000',
  },
}

SCSS

$custom: #307a8d;
$custom-light: #74a0ae;
$custom-dark: #000000;

JSON

{
  "hex": "#307a8d",
  "rgb": {
    "r": 48,
    "g": 122,
    "b": 141
  },
  "hsl": {
    "h": 192.258,
    "s": 49.206,
    "l": 37.059
  },
  "oklch": {
    "l": 0.54154,
    "c": 0.07769,
    "h": 217.7
  },
  "luminance": 0.16471
}

Semantic roles & 50–950 ramp

primary

#307A8D

secondary

#B47565

accent

#6B4FD9

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090E10

muted

#7B7E7F

Preview Lab

Preview with #307A8D

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

Preview Lab → · Contrast checker → · Palette generator →