#305B77#305B77

#305B77 is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.3% C 0.066 H 239.1°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#305B77
RGB	rgb(48, 91, 119)
HSL	hsl(204, 43%, 33%)
HSV	hsv(204, 60%, 47%)
CMYK	cmyk(59.7%, 23.5%, 0%, 53.3%)
CIE-LAB	lab(36.82, -5.95, -20.37)
CIE-LCH	lch(36.82, 21.22, 253.71°)
OKLab	oklab(45.27% -0.0341 -0.057)
OKLCH	oklch(45.27% 0.066 239.1)
XYZ	xyz(8.2885, 9.4417, 18.8348)
Luminance	0.0944 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305B77 #774C30

analogous

#30776F #305B77 #303777

triadic

#305B77 #77305B #5B7730

tetradic

#305B77 #6F3077 #774C30 #377730

square

#305B77 #6F3077 #774C30 #377730

split-complementary

#305B77 #773037 #776F30

monochromatic

#0D1820 #1E3A4B #305B77 #427CA3 #629BC0

Accessibility & contrast

On white

7.27

#305B77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#305B77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #305B77

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305B77	#FFFFFF	#000000	##FFFFFF
##305B77	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E5B78

Deuteranopia (green-blind)

#455377

Tritanopia (blue-blind)

#006264

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #305b77;
/* rgb */ color: rgb(48, 91, 119);
/* oklch */ color: oklch(45.3% 0.066 239.1);

Tailwind

colors: {
  custom: {
    50: '#6f899e',
    500: '#305b77',
    950: '#000000',
  },
}

SCSS

$custom: #305b77;
$custom-light: #6f899e;
$custom-dark: #000000;

JSON

{
  "hex": "#305b77",
  "rgb": {
    "r": 48,
    "g": 91,
    "b": 119
  },
  "hsl": {
    "h": 203.662,
    "s": 42.515,
    "l": 32.745
  },
  "oklch": {
    "l": 0.45269,
    "c": 0.0664,
    "h": 239.1
  },
  "luminance": 0.09442
}

Semantic roles & 50–950 ramp

primary

#305B77

secondary

#A77A5C

accent

#8755D2

background

#F6F8F9

surface

#ECF0F2

border

#C7CBCC

text

#080B0E

muted

#7B7C7E

Preview Lab

Preview with #305B77

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

Preview Lab → · Contrast checker → · Palette generator →