#233684#233684

#233684 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.8% C 0.133 H 268.6°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#233684
RGB	rgb(35, 54, 132)
HSL	hsl(228, 58%, 33%)
HSV	hsv(228, 73%, 52%)
CMYK	cmyk(73.5%, 59.1%, 0%, 48.2%)
CIE-LAB	lab(25.75, 21.07, -46.09)
CIE-LCH	lch(25.75, 50.68, 294.57°)
OKLab	oklab(36.79% -0.0032 -0.1329)
OKLCH	oklch(36.79% 0.133 268.6)
XYZ	xyz(6.1757, 4.6610, 22.3995)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233684 #847123

analogous

#236784 #233684 #402384

triadic

#233684 #842336 #368423

tetradic

#233684 #842367 #847123 #238440

square

#233684 #842367 #847123 #238440

split-complementary

#233684 #844023 #678423

monochromatic

#090E23 #162254 #233684 #304AB4 #516AD1

Accessibility & contrast

On white

10.87

#233684 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#233684 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233684

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233684	#FFFFFF	#000000	##FFFFFF
##233684	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004287

Deuteranopia (green-blind)

#003982

Tritanopia (blue-blind)

#004957

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #233684;
/* rgb */ color: rgb(35, 54, 132);
/* oklch */ color: oklch(36.8% 0.133 268.6);

Tailwind

colors: {
  custom: {
    50: '#6c6ca8',
    500: '#233684',
    950: '#000000',
  },
}

SCSS

$custom: #233684;
$custom-light: #6c6ca8;
$custom-dark: #000000;

JSON

{
  "hex": "#233684",
  "rgb": {
    "r": 35,
    "g": 54,
    "b": 132
  },
  "hsl": {
    "h": 228.247,
    "s": 58.084,
    "l": 32.745
  },
  "oklch": {
    "l": 0.36787,
    "c": 0.1329,
    "h": 268.6
  },
  "luminance": 0.04662
}

Semantic roles & 50–950 ramp

primary

#233684

secondary

#B4A04E

accent

#C346E1

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #233684

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

Preview Lab → · Contrast checker → · Palette generator →