#307FA4#307FA4

#307FA4 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.5% C 0.095 H 232.4°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#307FA4
RGB	rgb(48, 127, 164)
HSL	hsl(199, 55%, 42%)
HSV	hsv(199, 71%, 64%)
CMYK	cmyk(70.7%, 22.6%, 0%, 35.7%)
CIE-LAB	lab(50.08, -11.62, -26.71)
CIE-LCH	lch(50.08, 29.13, 246.49°)
OKLab	oklab(56.46% -0.0578 -0.075)
OKLCH	oklch(56.46% 0.095 232.4)
XYZ	xyz(15.5065, 18.4857, 37.8656)
Luminance	0.1849 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307FA4 #A45530

analogous

#30A48F #307FA4 #3045A4

triadic

#307FA4 #A4307F #7FA430

tetradic

#307FA4 #8F30A4 #A45530 #45A430

square

#307FA4 #8F30A4 #A45530 #45A430

split-complementary

#307FA4 #A43045 #A48F30

monochromatic

#143645 #225A75 #307FA4 #48A0C9 #77B9D7

Accessibility & contrast

On white

4.47

#307FA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#307FA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307FA4

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307FA4	#FFFFFF	#000000	##000000
##307FA4	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7EA6

Deuteranopia (green-blind)

#5D72A3

Tritanopia (blue-blind)

#00898B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #307fa4;
/* rgb */ color: rgb(48, 127, 164);
/* oklch */ color: oklch(56.5% 0.095 232.4);

Tailwind

colors: {
  custom: {
    50: '#77a4bf',
    500: '#307fa4',
    950: '#000000',
  },
}

SCSS

$custom: #307fa4;
$custom-light: #77a4bf;
$custom-dark: #000000;

JSON

{
  "hex": "#307fa4",
  "rgb": {
    "r": 48,
    "g": 127,
    "b": 164
  },
  "hsl": {
    "h": 199.138,
    "s": 54.717,
    "l": 41.569
  },
  "oklch": {
    "l": 0.5646,
    "c": 0.09471,
    "h": 232.4
  },
  "luminance": 0.18487
}

Semantic roles & 50–950 ramp

primary

#307FA4

secondary

#BF8A70

accent

#794ADE

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #307FA4

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

Preview Lab → · Contrast checker → · Palette generator →