#307FA3#307FA3

#307FA3 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.4% C 0.094 H 231.6°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#307FA3
RGB	rgb(48, 127, 163)
HSL	hsl(199, 55%, 41%)
HSV	hsv(199, 71%, 64%)
CMYK	cmyk(70.6%, 22.1%, 0%, 36.1%)
CIE-LAB	lab(50.04, -11.96, -26.20)
CIE-LCH	lch(50.04, 28.80, 245.46°)
OKLab	oklab(56.41% -0.0582 -0.0735)
OKLCH	oklch(56.41% 0.094 231.6)
XYZ	xyz(15.4165, 18.4498, 37.3919)
Luminance	0.1845 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307FA3 #A35430

analogous

#30A38E #307FA3 #3046A3

triadic

#307FA3 #A3307F #7FA330

tetradic

#307FA3 #8E30A3 #A35430 #46A330

square

#307FA3 #8E30A3 #A35430 #46A330

split-complementary

#307FA3 #A33046 #A38E30

monochromatic

#143544 #225A74 #307FA3 #47A0C9 #77B9D7

Accessibility & contrast

On white

4.48

#307FA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#307FA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307FA3

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307FA3	#FFFFFF	#000000	##000000
##307FA3	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7DA5

Deuteranopia (green-blind)

#5D72A2

Tritanopia (blue-blind)

#00898B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #307fa3;
/* rgb */ color: rgb(48, 127, 163);
/* oklch */ color: oklch(56.4% 0.094 231.6);

Tailwind

colors: {
  custom: {
    50: '#77a4be',
    500: '#307fa3',
    950: '#000000',
  },
}

SCSS

$custom: #307fa3;
$custom-light: #77a4be;
$custom-dark: #000000;

JSON

{
  "hex": "#307fa3",
  "rgb": {
    "r": 48,
    "g": 127,
    "b": 163
  },
  "hsl": {
    "h": 198.783,
    "s": 54.502,
    "l": 41.373
  },
  "oklch": {
    "l": 0.56411,
    "c": 0.09378,
    "h": 231.6
  },
  "luminance": 0.18451
}

Semantic roles & 50–950 ramp

primary

#307FA3

secondary

#BF8970

accent

#784ADE

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #307FA3

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

Preview Lab → · Contrast checker → · Palette generator →