#304681#304681

#304681 is a dark, moderate blue. Relative luminance 0.066; OKLCH L 40.8% C 0.103 H 266.5°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#304681
RGB	rgb(48, 70, 129)
HSL	hsl(224, 46%, 35%)
HSV	hsv(224, 63%, 51%)
CMYK	cmyk(62.8%, 45.7%, 0%, 49.4%)
CIE-LAB	lab(30.86, 11.22, -35.94)
CIE-LCH	lch(30.86, 37.65, 287.35°)
OKLab	oklab(40.79% -0.0062 -0.1025)
OKLCH	oklch(40.79% 0.103 266.5)
XYZ	xyz(7.3702, 6.5930, 21.6488)
Luminance	0.0659 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304681 #816B30

analogous

#306F81 #304681 #433081

triadic

#304681 #813046 #468130

tetradic

#304681 #81306F #816B30 #308143

square

#304681 #81306F #816B30 #308143

split-complementary

#304681 #814330 #6F8130

monochromatic

#0F1628 #1F2E54 #304681 #415EAE #6680C6

Accessibility & contrast

On white

9.06

#304681 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#304681 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304681

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304681	#FFFFFF	#000000	##FFFFFF
##304681	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B4D83

Deuteranopia (green-blind)

#1F4580

Tritanopia (blue-blind)

#00535D

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #304681;
/* rgb */ color: rgb(48, 70, 129);
/* oklch */ color: oklch(40.8% 0.103 266.5);

Tailwind

colors: {
  custom: {
    50: '#7079a6',
    500: '#304681',
    950: '#000000',
  },
}

SCSS

$custom: #304681;
$custom-light: #7079a6;
$custom-dark: #000000;

JSON

{
  "hex": "#304681",
  "rgb": {
    "r": 48,
    "g": 70,
    "b": 129
  },
  "hsl": {
    "h": 223.704,
    "s": 45.763,
    "l": 34.706
  },
  "oklch": {
    "l": 0.40791,
    "c": 0.10265,
    "h": 266.5
  },
  "luminance": 0.06594
}

Semantic roles & 50–950 ramp

primary

#304681

secondary

#AD9860

accent

#B252D5

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#08090F

muted

#7B7B7F

Preview Lab

Preview with #304681

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

Preview Lab → · Contrast checker → · Palette generator →