#304263#304263

#304263 is a dark, moderate blue. Relative luminance 0.054; OKLCH L 37.9% C 0.061 H 262.0°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#304263
RGB	rgb(48, 66, 99)
HSL	hsl(219, 35%, 29%)
HSV	hsv(219, 52%, 39%)
CMYK	cmyk(51.5%, 33.3%, 0%, 61.2%)
CIE-LAB	lab(27.91, 3.15, -21.65)
CIE-LCH	lch(27.91, 21.88, 278.28°)
OKLab	oklab(37.95% -0.0086 -0.0608)
OKLCH	oklch(37.95% 0.061 262)
XYZ	xyz(5.4185, 5.4253, 12.5636)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304263 #635130

analogous

#305C63 #304263 #383063

triadic

#304263 #633042 #426330

tetradic

#304263 #63305C #635130 #306338

square

#304263 #63305C #635130 #306338

split-complementary

#304263 #633830 #5C6330

monochromatic

#0A0E15 #1C273A #304263 #445D8C #5D7AB0

Accessibility & contrast

On white

10.07

#304263 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#304263 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304263

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304263	#FFFFFF	#000000	##FFFFFF
##304263	1.00	10.07	2.09	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#364464

Deuteranopia (green-blind)

#304062

Tritanopia (blue-blind)

#1A494E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #304263;
/* rgb */ color: rgb(48, 66, 99);
/* oklch */ color: oklch(37.9% 0.061 262.0);

Tailwind

colors: {
  custom: {
    50: '#6c768f',
    500: '#304263',
    950: '#000000',
  },
}

SCSS

$custom: #304263;
$custom-light: #6c768f;
$custom-dark: #000000;

JSON

{
  "hex": "#304263",
  "rgb": {
    "r": 48,
    "g": 66,
    "b": 99
  },
  "hsl": {
    "h": 218.824,
    "s": 34.694,
    "l": 28.824
  },
  "oklch": {
    "l": 0.37949,
    "c": 0.06139,
    "h": 262
  },
  "luminance": 0.05426
}

Semantic roles & 50–950 ramp

primary

#304263

secondary

#94805A

accent

#A45DCB

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#07080C

muted

#7A7B7D

Preview Lab

Preview with #304263

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

Preview Lab → · Contrast checker → · Palette generator →