#305183#305183

#305183 is a dark, moderate blue. Relative luminance 0.082; OKLCH L 43.5% C 0.092 H 258.5°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#305183
RGB	rgb(48, 81, 131)
HSL	hsl(216, 46%, 35%)
HSV	hsv(216, 63%, 51%)
CMYK	cmyk(63.4%, 38.2%, 0%, 48.6%)
CIE-LAB	lab(34.30, 4.65, -31.71)
CIE-LCH	lch(34.30, 32.05, 278.34°)
OKLab	oklab(43.48% -0.0183 -0.0899)
OKLCH	oklch(43.48% 0.092 258.5)
XYZ	xyz(8.2566, 8.1512, 22.6065)
Luminance	0.0815 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305183 #836230

analogous

#307A83 #305183 #393083

triadic

#305183 #833051 #518330

tetradic

#305183 #83307A #836230 #308339

square

#305183 #83307A #836230 #308339

split-complementary

#305183 #833930 #7A8330

monochromatic

#0F1A29 #203556 #305183 #406DB0 #668DC7

Accessibility & contrast

On white

7.98

#305183 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#305183 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #305183

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305183	#FFFFFF	#000000	##FFFFFF
##305183	1.00	7.98	2.63	7.98
#FFFFFF	7.98	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C5585

Deuteranopia (green-blind)

#304D82

Tritanopia (blue-blind)

#005C63

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #305183;
/* rgb */ color: rgb(48, 81, 131);
/* oklch */ color: oklch(43.5% 0.092 258.5);

Tailwind

colors: {
  custom: {
    50: '#7081a7',
    500: '#305183',
    950: '#000000',
  },
}

SCSS

$custom: #305183;
$custom-light: #7081a7;
$custom-dark: #000000;

JSON

{
  "hex": "#305183",
  "rgb": {
    "r": 48,
    "g": 81,
    "b": 131
  },
  "hsl": {
    "h": 216.145,
    "s": 46.369,
    "l": 35.098
  },
  "oklch": {
    "l": 0.43483,
    "c": 0.09179,
    "h": 258.5
  },
  "luminance": 0.08152
}

Semantic roles & 50–950 ramp

primary

#305183

secondary

#AE8F61

accent

#A152D6

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #305183

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

Preview Lab → · Contrast checker → · Palette generator →