#233E8A#233E8A

#233E8A is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.0% C 0.131 H 265.8°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#233E8A
RGB	rgb(35, 62, 138)
HSL	hsl(224, 60%, 34%)
HSV	hsv(224, 75%, 54%)
CMYK	cmyk(74.6%, 55.1%, 0%, 45.9%)
CIE-LAB	lab(28.48, 17.89, -45.39)
CIE-LCH	lch(28.48, 48.79, 291.51°)
OKLab	oklab(38.99% -0.0096 -0.1307)
OKLCH	oklch(38.99% 0.131 265.8)
XYZ	xyz(7.0016, 5.6368, 24.7588)
Luminance	0.0564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233E8A #8A6F23

analogous

#23728A #233E8A #3C238A

triadic

#233E8A #8A233E #3E8A23

tetradic

#233E8A #8A2372 #8A6F23 #238A3C

square

#233E8A #8A2372 #8A6F23 #238A3C

split-complementary

#233E8A #8A3C23 #728A23

monochromatic

#0A1228 #172859 #233E8A #2F54BB #5475D4

Accessibility & contrast

On white

9.87

#233E8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#233E8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233E8A

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233E8A	#FFFFFF	#000000	##FFFFFF
##233E8A	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#04488D

Deuteranopia (green-blind)

#003F88

Tritanopia (blue-blind)

#00505D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #233e8a;
/* rgb */ color: rgb(35, 62, 138);
/* oklch */ color: oklch(39.0% 0.131 265.8);

Tailwind

colors: {
  custom: {
    50: '#6d72ad',
    500: '#233e8a',
    950: '#000000',
  },
}

SCSS

$custom: #233e8a;
$custom-light: #6d72ad;
$custom-dark: #000000;

JSON

{
  "hex": "#233e8a",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 138
  },
  "hsl": {
    "h": 224.272,
    "s": 59.538,
    "l": 33.922
  },
  "oklch": {
    "l": 0.3899,
    "c": 0.13102,
    "h": 265.8
  },
  "luminance": 0.05638
}

Semantic roles & 50–950 ramp

primary

#233E8A

secondary

#B79D51

accent

#B945E3

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #233E8A

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

Preview Lab → · Contrast checker → · Palette generator →