#233E9A#233E9A

#233E9A is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.3% C 0.154 H 266.7°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#233E9A
RGB	rgb(35, 62, 154)
HSL	hsl(226, 63%, 37%)
HSV	hsv(226, 77%, 60%)
CMYK	cmyk(77.3%, 59.7%, 0%, 39.6%)
CIE-LAB	lab(29.75, 24.15, -53.14)
CIE-LCH	lch(29.75, 58.37, 294.44°)
OKLab	oklab(40.35% -0.0087 -0.1534)
OKLCH	oklch(40.35% 0.154 266.7)
XYZ	xyz(8.2465, 6.1348, 31.3151)
Luminance	0.0614 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233E9A #9A7F23

analogous

#23799A #233E9A #44239A

triadic

#233E9A #9A233E #3E9A23

tetradic

#233E9A #9A2379 #9A7F23 #239A44

square

#233E9A #9A2379 #9A7F23 #239A44

split-complementary

#233E9A #9A4423 #799A23

monochromatic

#0C1636 #182A68 #233E9A #2E52CC #5D7ADA

Accessibility & contrast

On white

9.43

#233E9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#233E9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233E9A

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233E9A	#FFFFFF	#000000	##FFFFFF
##233E9A	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9D

Deuteranopia (green-blind)

#004198

Tritanopia (blue-blind)

#005566

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #233e9a;
/* rgb */ color: rgb(35, 62, 154);
/* oklch */ color: oklch(40.3% 0.154 266.7);

Tailwind

colors: {
  custom: {
    50: '#7172b9',
    500: '#233e9a',
    950: '#000000',
  },
}

SCSS

$custom: #233e9a;
$custom-light: #7172b9;
$custom-dark: #000000;

JSON

{
  "hex": "#233e9a",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 154
  },
  "hsl": {
    "h": 226.387,
    "s": 62.963,
    "l": 37.059
  },
  "oklch": {
    "l": 0.40347,
    "c": 0.15369,
    "h": 266.7
  },
  "luminance": 0.06136
}

Semantic roles & 50–950 ramp

primary

#233E9A

secondary

#BFA85A

accent

#C142E6

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #233E9A

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

Preview Lab → · Contrast checker → · Palette generator →