#233099#233099

#233099 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.6% C 0.169 H 270.1°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#233099
RGB	rgb(35, 48, 153)
HSL	hsl(233, 63%, 37%)
HSV	hsv(233, 77%, 60%)
CMYK	cmyk(77.1%, 68.6%, 0%, 40%)
CIE-LAB	lab(26.07, 33.10, -58.55)
CIE-LCH	lch(26.07, 67.26, 299.48°)
OKLab	oklab(37.61% 0.0003 -0.1694)
OKLCH	oklch(37.61% 0.169 270.1)
XYZ	xyz(7.4979, 4.7703, 30.6564)
Luminance	0.0477 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233099 #998C23

analogous

#236B99 #233099 #512399

triadic

#233099 #992330 #309923

tetradic

#233099 #99236B #998C23 #239951

square

#233099 #99236B #998C23 #239951

split-complementary

#233099 #995123 #6B9923

monochromatic

#0C1135 #182067 #233099 #2E40CB #5D6ADA

Accessibility & contrast

On white

10.75

#233099 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#233099 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233099

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233099	#FFFFFF	#000000	##FFFFFF
##233099	1.00	10.75	1.95	10.75
#FFFFFF	10.75	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439C

Deuteranopia (green-blind)

#003897

Tritanopia (blue-blind)

#004C60

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #233099;
/* rgb */ color: rgb(35, 48, 153);
/* oklch */ color: oklch(37.6% 0.169 270.1);

Tailwind

colors: {
  custom: {
    50: '#7268b8',
    500: '#233099',
    950: '#000000',
  },
}

SCSS

$custom: #233099;
$custom-light: #7268b8;
$custom-dark: #000000;

JSON

{
  "hex": "#233099",
  "rgb": {
    "r": 35,
    "g": 48,
    "b": 153
  },
  "hsl": {
    "h": 233.39,
    "s": 62.766,
    "l": 36.863
  },
  "oklch": {
    "l": 0.37606,
    "c": 0.16943,
    "h": 270.1
  },
  "luminance": 0.04771
}

Semantic roles & 50–950 ramp

primary

#233099

secondary

#BEB359

accent

#D442E6

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #233099

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

Preview Lab → · Contrast checker → · Palette generator →