#307F90#307F90

#307F90 is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 55.6% C 0.080 H 214.5°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#307F90
RGB	rgb(48, 127, 144)
HSL	hsl(191, 50%, 38%)
HSV	hsv(191, 67%, 56%)
CMYK	cmyk(66.7%, 11.8%, 0%, 43.5%)
CIE-LAB	lab(49.28, -18.31, -16.27)
CIE-LCH	lch(49.28, 24.49, 221.62°)
OKLab	oklab(55.55% -0.0657 -0.0452)
OKLCH	oklch(55.55% 0.08 214.5)
XYZ	xyz(13.8403, 17.8192, 29.0902)
Luminance	0.1782 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307F90 #904130

analogous

#309071 #307F90 #304F90

triadic

#307F90 #90307F #7F9030

tetradic

#307F90 #713090 #904130 #4F9030

square

#307F90 #713090 #904130 #4F9030

split-complementary

#307F90 #90304F #907130

monochromatic

#112E34 #215762 #307F90 #3FA7BE #6CBDCE

Accessibility & contrast

On white

4.60

#307F90 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#307F90 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #307F90

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307F90	#FFFFFF	#000000	##FFFFFF
##307F90	1.00	4.60	4.56	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#737B91

Deuteranopia (green-blind)

#657190

Tritanopia (blue-blind)

#008584

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #307f90;
/* rgb */ color: rgb(48, 127, 144);
/* oklch */ color: oklch(55.6% 0.080 214.5);

Tailwind

colors: {
  custom: {
    50: '#74a4b0',
    500: '#307f90',
    950: '#000000',
  },
}

SCSS

$custom: #307f90;
$custom-light: #74a4b0;
$custom-dark: #000000;

JSON

{
  "hex": "#307f90",
  "rgb": {
    "r": 48,
    "g": 127,
    "b": 144
  },
  "hsl": {
    "h": 190.625,
    "s": 50,
    "l": 37.647
  },
  "oklch": {
    "l": 0.55551,
    "c": 0.0798,
    "h": 214.5
  },
  "luminance": 0.17821
}

Semantic roles & 50–950 ramp

primary

#307F90

secondary

#B57466

accent

#674EDA

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #307F90

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

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