#305181#305181

#305181 is a dark, moderate blue. Relative luminance 0.081; OKLCH L 43.4% C 0.089 H 257.7°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#305181
RGB	rgb(48, 81, 129)
HSL	hsl(216, 46%, 35%)
HSV	hsv(216, 63%, 51%)
CMYK	cmyk(62.8%, 37.2%, 0%, 49.4%)
CIE-LAB	lab(34.19, 3.92, -30.65)
CIE-LCH	lch(34.19, 30.90, 277.29°)
OKLab	oklab(43.36% -0.0189 -0.0869)
OKLCH	oklch(43.36% 0.089 257.7)
XYZ	xyz(8.1224, 8.0975, 21.8996)
Luminance	0.0810 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305181 #816030

analogous

#307A81 #305181 #383081

triadic

#305181 #813051 #518130

tetradic

#305181 #81307A #816030 #308138

square

#305181 #81307A #816030 #308138

split-complementary

#305181 #813830 #7A8130

monochromatic

#0F1928 #1F3554 #305181 #416DAE #668DC6

Accessibility & contrast

On white

8.02

#305181 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#305181 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #305181

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305181	#FFFFFF	#000000	##FFFFFF
##305181	1.00	8.02	2.62	8.02
#FFFFFF	8.02	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D5583

Deuteranopia (green-blind)

#324D80

Tritanopia (blue-blind)

#005C63

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #305181;
/* rgb */ color: rgb(48, 81, 129);
/* oklch */ color: oklch(43.4% 0.089 257.7);

Tailwind

colors: {
  custom: {
    50: '#7081a6',
    500: '#305181',
    950: '#000000',
  },
}

SCSS

$custom: #305181;
$custom-light: #7081a6;
$custom-dark: #000000;

JSON

{
  "hex": "#305181",
  "rgb": {
    "r": 48,
    "g": 81,
    "b": 129
  },
  "hsl": {
    "h": 215.556,
    "s": 45.763,
    "l": 34.706
  },
  "oklch": {
    "l": 0.4336,
    "c": 0.08889,
    "h": 257.7
  },
  "luminance": 0.08098
}

Semantic roles & 50–950 ramp

primary

#305181

secondary

#AD8E60

accent

#A052D5

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #305181

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

Preview Lab → · Contrast checker → · Palette generator →