#307BA7#307BA7

#307BA7 is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.6% C 0.100 H 238.2°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#307BA7
RGB	rgb(48, 123, 167)
HSL	hsl(202, 55%, 42%)
HSV	hsv(202, 71%, 65%)
CMYK	cmyk(71.3%, 26.3%, 0%, 34.5%)
CIE-LAB	lab(48.99, -8.27, -30.16)
CIE-LCH	lch(48.99, 31.28, 254.66°)
OKLab	oklab(55.63% -0.0526 -0.085)
OKLCH	oklch(55.63% 0.1 238.2)
XYZ	xyz(15.2742, 17.5826, 39.1405)
Luminance	0.1758 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307BA7 #A75C30

analogous

#30A798 #307BA7 #303FA7

triadic

#307BA7 #A7307B #7BA730

tetradic

#307BA7 #9830A7 #A75C30 #3FA730

square

#307BA7 #9830A7 #A75C30 #3FA730

split-complementary

#307BA7 #A7303F #A79830

monochromatic

#153548 #225877 #307BA7 #499BCB #79B5D8

Accessibility & contrast

On white

4.65

#307BA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#307BA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #307BA7

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307BA7	#FFFFFF	#000000	##FFFFFF
##307BA7	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#667BA9

Deuteranopia (green-blind)

#566FA6

Tritanopia (blue-blind)

#00868A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #307ba7;
/* rgb */ color: rgb(48, 123, 167);
/* oklch */ color: oklch(55.6% 0.100 238.2);

Tailwind

colors: {
  custom: {
    50: '#77a1c1',
    500: '#307ba7',
    950: '#000000',
  },
}

SCSS

$custom: #307ba7;
$custom-light: #77a1c1;
$custom-dark: #000000;

JSON

{
  "hex": "#307ba7",
  "rgb": {
    "r": 48,
    "g": 123,
    "b": 167
  },
  "hsl": {
    "h": 202.185,
    "s": 55.349,
    "l": 42.157
  },
  "oklch": {
    "l": 0.55633,
    "c": 0.09997,
    "h": 238.2
  },
  "luminance": 0.17584
}

Semantic roles & 50–950 ramp

primary

#307BA7

secondary

#C18F72

accent

#8049DF

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #307BA7

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

Preview Lab → · Contrast checker → · Palette generator →