#304083#304083

#304083 is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.6% C 0.114 H 270.4°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#304083
RGB	rgb(48, 64, 131)
HSL	hsl(228, 46%, 35%)
HSV	hsv(228, 63%, 51%)
CMYK	cmyk(63.4%, 51.1%, 0%, 48.6%)
CIE-LAB	lab(29.24, 16.03, -39.77)
CIE-LCH	lch(29.24, 42.88, 291.95°)
OKLab	oklab(39.6% 0.0007 -0.1138)
OKLCH	oklch(39.6% 0.114 270.4)
XYZ	xyz(7.1477, 5.9333, 22.2369)
Luminance	0.0593 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304083 #837330

analogous

#306983 #304083 #4A3083

triadic

#304083 #833040 #408330

tetradic

#304083 #833069 #837330 #30834A

square

#304083 #833069 #837330 #30834A

split-complementary

#304083 #834A30 #698330

monochromatic

#0F1429 #202A56 #304083 #4056B0 #6679C7

Accessibility & contrast

On white

9.60

#304083 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#304083 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304083

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304083	#FFFFFF	#000000	##FFFFFF
##304083	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D4985

Deuteranopia (green-blind)

#0B4182

Tritanopia (blue-blind)

#004F5B

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #304083;
/* rgb */ color: rgb(48, 64, 131);
/* oklch */ color: oklch(39.6% 0.114 270.4);

Tailwind

colors: {
  custom: {
    50: '#7174a7',
    500: '#304083',
    950: '#000000',
  },
}

SCSS

$custom: #304083;
$custom-light: #7174a7;
$custom-dark: #000000;

JSON

{
  "hex": "#304083",
  "rgb": {
    "r": 48,
    "g": 64,
    "b": 131
  },
  "hsl": {
    "h": 228.434,
    "s": 46.369,
    "l": 35.098
  },
  "oklch": {
    "l": 0.39599,
    "c": 0.11383,
    "h": 270.4
  },
  "luminance": 0.05934
}

Semantic roles & 50–950 ramp

primary

#304083

secondary

#AE9F61

accent

#BD52D6

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #304083

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

Preview Lab → · Contrast checker → · Palette generator →