#304490#304490

#304490 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.4% C 0.128 H 269.1°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#304490
RGB	rgb(48, 68, 144)
HSL	hsl(228, 50%, 38%)
HSV	hsv(228, 67%, 56%)
CMYK	cmyk(66.7%, 52.8%, 0%, 43.5%)
CIE-LAB	lab(31.29, 18.15, -44.50)
CIE-LCH	lch(31.29, 48.06, 292.19°)
OKLab	oklab(41.44% -0.002 -0.1277)
OKLCH	oklch(41.44% 0.128 269.1)
XYZ	xyz(8.3184, 6.7755, 27.2496)
Luminance	0.0678 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304490 #907C30

analogous

#307490 #304490 #4C3090

triadic

#304490 #903044 #449030

tetradic

#304490 #903074 #907C30 #30904C

square

#304490 #903074 #907C30 #30904C

split-complementary

#304490 #904C30 #749030

monochromatic

#111934 #212E62 #304490 #3F5ABE #6C81CE

Accessibility & contrast

On white

8.92

#304490 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#304490 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304490

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304490	#FFFFFF	#000000	##FFFFFF
##304490	1.00	8.92	2.36	8.92
#FFFFFF	8.92	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#164E93

Deuteranopia (green-blind)

#00468E

Tritanopia (blue-blind)

#005663

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #304490;
/* rgb */ color: rgb(48, 68, 144);
/* oklch */ color: oklch(41.4% 0.128 269.1);

Tailwind

colors: {
  custom: {
    50: '#7377b1',
    500: '#304490',
    950: '#000000',
  },
}

SCSS

$custom: #304490;
$custom-light: #7377b1;
$custom-dark: #000000;

JSON

{
  "hex": "#304490",
  "rgb": {
    "r": 48,
    "g": 68,
    "b": 144
  },
  "hsl": {
    "h": 227.5,
    "s": 50,
    "l": 37.647
  },
  "oklch": {
    "l": 0.4144,
    "c": 0.1277,
    "h": 269.1
  },
  "luminance": 0.06776
}

Semantic roles & 50–950 ramp

primary

#304490

secondary

#B5A566

accent

#BD4EDA

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #304490

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

Preview Lab → · Contrast checker → · Palette generator →