#233899#233899

#233899 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.1% C 0.160 H 268.3°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#233899
RGB	rgb(35, 56, 153)
HSL	hsl(229, 63%, 37%)
HSV	hsv(229, 77%, 60%)
CMYK	cmyk(77.1%, 63.4%, 0%, 40%)
CIE-LAB	lab(28.07, 27.82, -55.27)
CIE-LCH	lch(28.07, 61.87, 296.72°)
OKLab	oklab(39.07% -0.0046 -0.1598)
OKLCH	oklch(39.07% 0.16 268.3)
XYZ	xyz(7.8551, 5.4847, 30.7755)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233899 #998423

analogous

#237399 #233899 #492399

triadic

#233899 #992338 #389923

tetradic

#233899 #992373 #998423 #239949

square

#233899 #992373 #998423 #239949

split-complementary

#233899 #994923 #739923

monochromatic

#0C1435 #182667 #233899 #2E4ACB #5D73DA

Accessibility & contrast

On white

10.01

#233899 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#233899 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233899

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233899	#FFFFFF	#000000	##FFFFFF
##233899	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489C

Deuteranopia (green-blind)

#003D97

Tritanopia (blue-blind)

#005163

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #233899;
/* rgb */ color: rgb(35, 56, 153);
/* oklch */ color: oklch(39.1% 0.160 268.3);

Tailwind

colors: {
  custom: {
    50: '#716eb8',
    500: '#233899',
    950: '#000000',
  },
}

SCSS

$custom: #233899;
$custom-light: #716eb8;
$custom-dark: #000000;

JSON

{
  "hex": "#233899",
  "rgb": {
    "r": 35,
    "g": 56,
    "b": 153
  },
  "hsl": {
    "h": 229.322,
    "s": 62.766,
    "l": 36.863
  },
  "oklch": {
    "l": 0.39075,
    "c": 0.15983,
    "h": 268.3
  },
  "luminance": 0.05486
}

Semantic roles & 50–950 ramp

primary

#233899

secondary

#BEAC59

accent

#C942E6

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #233899

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

Preview Lab → · Contrast checker → · Palette generator →