#305B79#305B79

#305B79 is a mid, moderate cyan. Relative luminance 0.095; OKLCH L 45.4% C 0.069 H 241.0°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#305B79
RGB	rgb(48, 91, 121)
HSL	hsl(205, 43%, 33%)
HSV	hsv(205, 60%, 47%)
CMYK	cmyk(60.3%, 24.8%, 0%, 52.5%)
CIE-LAB	lab(36.91, -5.26, -21.46)
CIE-LCH	lch(36.91, 22.09, 256.21°)
OKLab	oklab(45.37% -0.0334 -0.0601)
OKLCH	oklch(45.37% 0.069 241)
XYZ	xyz(8.4099, 9.4903, 19.4741)
Luminance	0.0949 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305B79 #794E30

analogous

#307972 #305B79 #303679

triadic

#305B79 #79305B #5B7930

tetradic

#305B79 #723079 #794E30 #367930

square

#305B79 #723079 #794E30 #367930

split-complementary

#305B79 #793036 #797230

monochromatic

#0D1921 #1F3A4D #305B79 #417CA5 #629AC1

Accessibility & contrast

On white

7.25

#305B79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#305B79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #305B79

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305B79	#FFFFFF	#000000	##FFFFFF
##305B79	1.00	7.25	2.90	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E5B7A

Deuteranopia (green-blind)

#445478

Tritanopia (blue-blind)

#006265

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #305b79;
/* rgb */ color: rgb(48, 91, 121);
/* oklch */ color: oklch(45.4% 0.069 241.0);

Tailwind

colors: {
  custom: {
    50: '#6f899f',
    500: '#305b79',
    950: '#000000',
  },
}

SCSS

$custom: #305b79;
$custom-light: #6f899f;
$custom-dark: #000000;

JSON

{
  "hex": "#305b79",
  "rgb": {
    "r": 48,
    "g": 91,
    "b": 121
  },
  "hsl": {
    "h": 204.658,
    "s": 43.195,
    "l": 33.137
  },
  "oklch": {
    "l": 0.4537,
    "c": 0.06874,
    "h": 241
  },
  "luminance": 0.09491
}

Semantic roles & 50–950 ramp

primary

#305B79

secondary

#A87C5D

accent

#8955D3

background

#F6F8F9

surface

#ECF0F2

border

#C7CBCC

text

#080B0E

muted

#7B7C7E

Preview Lab

Preview with #305B79

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

Preview Lab → · Contrast checker → · Palette generator →