#233584#233584

#233584 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.6% C 0.134 H 269.0°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#233584
RGB	rgb(35, 53, 132)
HSL	hsl(229, 58%, 33%)
HSV	hsv(229, 73%, 52%)
CMYK	cmyk(73.5%, 59.8%, 0%, 48.2%)
CIE-LAB	lab(25.47, 21.76, -46.54)
CIE-LCH	lch(25.47, 51.38, 295.06°)
OKLab	oklab(36.58% -0.0024 -0.1342)
OKLCH	oklch(36.58% 0.134 269)
XYZ	xyz(6.1297, 4.5688, 22.3842)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233584 #847223

analogous

#236584 #233584 #412384

triadic

#233584 #842335 #358423

tetradic

#233584 #842365 #847223 #238441

square

#233584 #842365 #847223 #238441

split-complementary

#233584 #844123 #658423

monochromatic

#090E23 #162254 #233584 #3048B4 #5168D1

Accessibility & contrast

On white

10.97

#233584 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#233584 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233584

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233584	#FFFFFF	#000000	##FFFFFF
##233584	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004187

Deuteranopia (green-blind)

#003882

Tritanopia (blue-blind)

#004957

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #233584;
/* rgb */ color: rgb(35, 53, 132);
/* oklch */ color: oklch(36.6% 0.134 269.0);

Tailwind

colors: {
  custom: {
    50: '#6c6ca8',
    500: '#233584',
    950: '#000000',
  },
}

SCSS

$custom: #233584;
$custom-light: #6c6ca8;
$custom-dark: #000000;

JSON

{
  "hex": "#233584",
  "rgb": {
    "r": 35,
    "g": 53,
    "b": 132
  },
  "hsl": {
    "h": 228.866,
    "s": 58.084,
    "l": 32.745
  },
  "oklch": {
    "l": 0.3658,
    "c": 0.13421,
    "h": 269
  },
  "luminance": 0.04569
}

Semantic roles & 50–950 ramp

primary

#233584

secondary

#B4A24E

accent

#C546E1

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #233584

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

Preview Lab → · Contrast checker → · Palette generator →