#28304A#28304A

#28304A is a dark, muted blue. Relative luminance 0.031; OKLCH L 31.4% C 0.048 H 270.4°. Best body text is #FFFFFF at 13.03:1 contrast (WCAG AA passes).

Color values

HEX	#28304A
RGB	rgb(40, 48, 74)
HSL	hsl(226, 30%, 22%)
HSV	hsv(226, 46%, 29%)
CMYK	cmyk(45.9%, 35.1%, 0%, 71%)
CIE-LAB	lab(20.28, 4.53, -17.19)
CIE-LCH	lch(20.28, 17.77, 284.76°)
OKLab	oklab(31.44% 0.0003 -0.0481)
OKLCH	oklch(31.44% 0.048 270.4)
XYZ	xyz(3.1677, 3.0593, 6.9008)
Luminance	0.0306 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28304A #4A4228

analogous

#28414A #28304A #31284A

triadic

#28304A #4A2830 #304A28

tetradic

#28304A #4A2841 #4A4228 #284A31

square

#28304A #4A2841 #4A4228 #284A31

split-complementary

#28304A #4A3128 #414A28

monochromatic

#0B0D14 #131622 #28304A #3D4A72 #536499

Accessibility & contrast

On white

13.03

#28304A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#28304A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28304A

13.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28304A	#FFFFFF	#000000	##FFFFFF
##28304A	1.00	13.03	1.61	13.03
#FFFFFF	13.03	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27324B

Deuteranopia (green-blind)

#243049

Tritanopia (blue-blind)

#1D3539

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #28304a;
/* rgb */ color: rgb(40, 48, 74);
/* oklch */ color: oklch(31.4% 0.048 270.4);

Tailwind

colors: {
  custom: {
    50: '#64687c',
    500: '#28304a',
    950: '#000000',
  },
}

SCSS

$custom: #28304a;
$custom-light: #64687c;
$custom-dark: #000000;

JSON

{
  "hex": "#28304a",
  "rgb": {
    "r": 40,
    "g": 48,
    "b": 74
  },
  "hsl": {
    "h": 225.882,
    "s": 29.825,
    "l": 22.353
  },
  "oklch": {
    "l": 0.31435,
    "c": 0.0481,
    "h": 270.4
  },
  "luminance": 0.03059
}

Semantic roles & 50–950 ramp

primary

#28304A

secondary

#7C7251

accent

#AE62C6

background

#F6F6F7

surface

#EBEBEE

border

#C6C6C9

text

#050609

muted

#7A7A7B

Preview Lab

Preview with #28304A

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

Preview Lab → · Contrast checker → · Palette generator →