#307E90#307E90

#307E90 is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.3% C 0.080 H 215.8°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#307E90
RGB	rgb(48, 126, 144)
HSL	hsl(191, 50%, 38%)
HSV	hsv(191, 67%, 56%)
CMYK	cmyk(66.7%, 12.5%, 0%, 43.5%)
CIE-LAB	lab(48.96, -17.77, -16.75)
CIE-LCH	lch(48.96, 24.42, 223.30°)
OKLab	oklab(55.3% -0.0646 -0.0466)
OKLCH	oklch(55.3% 0.08 215.8)
XYZ	xyz(13.7117, 17.5622, 29.0474)
Luminance	0.1756 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307E90 #904230

analogous

#309072 #307E90 #304E90

triadic

#307E90 #90307E #7E9030

tetradic

#307E90 #723090 #904230 #4E9030

square

#307E90 #723090 #904230 #4E9030

split-complementary

#307E90 #90304E #907230

monochromatic

#112E34 #215662 #307E90 #3FA6BE #6CBCCE

Accessibility & contrast

On white

4.65

#307E90 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#307E90 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #307E90

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307E90	#FFFFFF	#000000	##FFFFFF
##307E90	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#727A91

Deuteranopia (green-blind)

#647090

Tritanopia (blue-blind)

#008584

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #307e90;
/* rgb */ color: rgb(48, 126, 144);
/* oklch */ color: oklch(55.3% 0.080 215.8);

Tailwind

colors: {
  custom: {
    50: '#74a3b0',
    500: '#307e90',
    950: '#000000',
  },
}

SCSS

$custom: #307e90;
$custom-light: #74a3b0;
$custom-dark: #000000;

JSON

{
  "hex": "#307e90",
  "rgb": {
    "r": 48,
    "g": 126,
    "b": 144
  },
  "hsl": {
    "h": 191.25,
    "s": 50,
    "l": 37.647
  },
  "oklch": {
    "l": 0.55297,
    "c": 0.07967,
    "h": 215.8
  },
  "luminance": 0.17564
}

Semantic roles & 50–950 ramp

primary

#307E90

secondary

#B57566

accent

#684EDA

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #307E90

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

Preview Lab → · Contrast checker → · Palette generator →