#307B8A#307B8A

#307B8A is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 54.3% C 0.076 H 213.1°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#307B8A
RGB	rgb(48, 123, 138)
HSL	hsl(190, 48%, 36%)
HSV	hsv(190, 65%, 54%)
CMYK	cmyk(65.2%, 10.9%, 0%, 45.9%)
CIE-LAB	lab(47.79, -18.08, -15.00)
CIE-LCH	lch(47.79, 23.49, 219.69°)
OKLab	oklab(54.28% -0.0638 -0.0417)
OKLCH	oklch(54.28% 0.076 213.1)
XYZ	xyz(12.8874, 16.6279, 26.5702)
Luminance	0.1663 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307B8A #8A3F30

analogous

#308A6C #307B8A #304E8A

triadic

#307B8A #8A307B #7B8A30

tetradic

#307B8A #6C308A #8A3F30 #4E8A30

square

#307B8A #6C308A #8A3F30 #4E8A30

split-complementary

#307B8A #8A304E #8A6C30

monochromatic

#102A2F #20535D #307B8A #40A3B7 #69BBCB

Accessibility & contrast

On white

4.85

#307B8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#307B8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #307B8A

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307B8A	#FFFFFF	#000000	##FFFFFF
##307B8A	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#70778B

Deuteranopia (green-blind)

#626D8A

Tritanopia (blue-blind)

#008180

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #307b8a;
/* rgb */ color: rgb(48, 123, 138);
/* oklch */ color: oklch(54.3% 0.076 213.1);

Tailwind

colors: {
  custom: {
    50: '#73a1ac',
    500: '#307b8a',
    950: '#000000',
  },
}

SCSS

$custom: #307b8a;
$custom-light: #73a1ac;
$custom-dark: #000000;

JSON

{
  "hex": "#307b8a",
  "rgb": {
    "r": 48,
    "g": 123,
    "b": 138
  },
  "hsl": {
    "h": 190,
    "s": 48.387,
    "l": 36.471
  },
  "oklch": {
    "l": 0.5428,
    "c": 0.07624,
    "h": 213.1
  },
  "luminance": 0.16629
}

Semantic roles & 50–950 ramp

primary

#307B8A

secondary

#B27164

accent

#6750D8

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090F10

muted

#7B7E7F

Preview Lab

Preview with #307B8A

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

Preview Lab → · Contrast checker → · Palette generator →