#23304A#23304A

#23304A is a dark, muted blue. Relative luminance 0.030; OKLCH L 31.0% C 0.050 H 263.4°. Best body text is #FFFFFF at 13.18:1 contrast (WCAG AA passes).

Color values

HEX	#23304A
RGB	rgb(35, 48, 74)
HSL	hsl(220, 36%, 21%)
HSV	hsv(220, 53%, 29%)
CMYK	cmyk(52.7%, 35.1%, 0%, 71%)
CIE-LAB	lab(19.91, 3.00, -17.80)
CIE-LCH	lch(19.91, 18.05, 279.56°)
OKLab	oklab(31.05% -0.0057 -0.05)
OKLCH	oklch(31.05% 0.05 263.4)
XYZ	xyz(2.9857, 2.9655, 6.8923)
Luminance	0.0297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23304A #4A3D23

analogous

#23444A #23304A #2A234A

triadic

#23304A #4A2330 #304A23

tetradic

#23304A #4A2344 #4A3D23 #234A2A

square

#23304A #4A2344 #4A3D23 #234A2A

split-complementary

#23304A #4A2A23 #444A23

monochromatic

#0A0D15 #0F1520 #23304A #374B74 #4A669D

Accessibility & contrast

On white

13.18

#23304A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#23304A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23304A

13.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23304A	#FFFFFF	#000000	##FFFFFF
##23304A	1.00	13.18	1.59	13.18
#FFFFFF	13.18	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26324B

Deuteranopia (green-blind)

#222E49

Tritanopia (blue-blind)

#133639

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #23304a;
/* rgb */ color: rgb(35, 48, 74);
/* oklch */ color: oklch(31.0% 0.050 263.4);

Tailwind

colors: {
  custom: {
    50: '#60687c',
    500: '#23304a',
    950: '#000000',
  },
}

SCSS

$custom: #23304a;
$custom-light: #60687c;
$custom-dark: #000000;

JSON

{
  "hex": "#23304a",
  "rgb": {
    "r": 35,
    "g": 48,
    "b": 74
  },
  "hsl": {
    "h": 220,
    "s": 35.78,
    "l": 21.373
  },
  "oklch": {
    "l": 0.31046,
    "c": 0.0503,
    "h": 263.4
  },
  "luminance": 0.02966
}

Semantic roles & 50–950 ramp

primary

#23304A

secondary

#7E6D4B

accent

#A75CCC

background

#F5F6F7

surface

#EAEBEE

border

#C6C6C9

text

#050609

muted

#797A7B

Preview Lab

Preview with #23304A

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

Preview Lab → · Contrast checker → · Palette generator →