#304186#304186

#304186 is a dark, moderate blue. Relative luminance 0.061; OKLCH L 40.0% C 0.117 H 270.0°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#304186
RGB	rgb(48, 65, 134)
HSL	hsl(228, 47%, 36%)
HSV	hsv(228, 64%, 53%)
CMYK	cmyk(64.2%, 51.5%, 0%, 47.5%)
CIE-LAB	lab(29.74, 16.46, -40.84)
CIE-LCH	lch(29.74, 44.03, 291.95°)
OKLab	oklab(40.04% 0 -0.117)
OKLCH	oklch(40.04% 0.117 270)
XYZ	xyz(7.4108, 6.1296, 23.3422)
Luminance	0.0613 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304186 #867530

analogous

#306C86 #304186 #4A3086

triadic

#304186 #863041 #418630

tetradic

#304186 #86306C #867530 #30864A

square

#304186 #86306C #867530 #30864A

split-complementary

#304186 #864A30 #6C8630

monochromatic

#10152C #202B59 #304186 #4057B3 #687BC9

Accessibility & contrast

On white

9.43

#304186 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#304186 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304186

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304186	#FFFFFF	#000000	##FFFFFF
##304186	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C4A88

Deuteranopia (green-blind)

#074285

Tritanopia (blue-blind)

#00515D

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #304186;
/* rgb */ color: rgb(48, 65, 134);
/* oklch */ color: oklch(40.0% 0.117 270.0);

Tailwind

colors: {
  custom: {
    50: '#7175aa',
    500: '#304186',
    950: '#000000',
  },
}

SCSS

$custom: #304186;
$custom-light: #7175aa;
$custom-dark: #000000;

JSON

{
  "hex": "#304186",
  "rgb": {
    "r": 48,
    "g": 65,
    "b": 134
  },
  "hsl": {
    "h": 228.14,
    "s": 47.253,
    "l": 35.686
  },
  "oklch": {
    "l": 0.40039,
    "c": 0.11696,
    "h": 270
  },
  "luminance": 0.0613
}

Semantic roles & 50–950 ramp

primary

#304186

secondary

#B0A162

accent

#BC51D7

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #304186

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

Preview Lab → · Contrast checker → · Palette generator →