#233E99#233E99

#233E99 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.3% C 0.152 H 266.7°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#233E99
RGB	rgb(35, 62, 153)
HSL	hsl(226, 63%, 37%)
HSV	hsv(226, 77%, 60%)
CMYK	cmyk(77.1%, 59.5%, 0%, 40%)
CIE-LAB	lab(29.67, 23.76, -52.66)
CIE-LCH	lch(29.67, 57.78, 294.29°)
OKLab	oklab(40.26% -0.0088 -0.152)
OKLCH	oklch(40.26% 0.152 266.7)
XYZ	xyz(8.1635, 6.1016, 30.8783)
Luminance	0.0610 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233E99 #997E23

analogous

#237999 #233E99 #432399

triadic

#233E99 #99233E #3E9923

tetradic

#233E99 #992379 #997E23 #239943

square

#233E99 #992379 #997E23 #239943

split-complementary

#233E99 #994323 #799923

monochromatic

#0C1635 #182A67 #233E99 #2E52CB #5D79DA

Accessibility & contrast

On white

9.46

#233E99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#233E99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233E99

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233E99	#FFFFFF	#000000	##FFFFFF
##233E99	1.00	9.46	2.22	9.46
#FFFFFF	9.46	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9C

Deuteranopia (green-blind)

#004197

Tritanopia (blue-blind)

#005565

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #233e99;
/* rgb */ color: rgb(35, 62, 153);
/* oklch */ color: oklch(40.3% 0.152 266.7);

Tailwind

colors: {
  custom: {
    50: '#7172b8',
    500: '#233e99',
    950: '#000000',
  },
}

SCSS

$custom: #233e99;
$custom-light: #7172b8;
$custom-dark: #000000;

JSON

{
  "hex": "#233e99",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 153
  },
  "hsl": {
    "h": 226.271,
    "s": 62.766,
    "l": 36.863
  },
  "oklch": {
    "l": 0.4026,
    "c": 0.1523,
    "h": 266.7
  },
  "luminance": 0.06102
}

Semantic roles & 50–950 ramp

primary

#233E99

secondary

#BEA759

accent

#C042E6

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #233E99

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

Preview Lab → · Contrast checker → · Palette generator →