#233E84#233E84

#233E84 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.5% C 0.122 H 265.2°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#233E84
RGB	rgb(35, 62, 132)
HSL	hsl(223, 58%, 33%)
HSV	hsv(223, 73%, 52%)
CMYK	cmyk(73.5%, 53%, 0%, 48.2%)
CIE-LAB	lab(28.03, 15.52, -42.39)
CIE-LCH	lch(28.03, 45.14, 290.11°)
OKLab	oklab(38.51% -0.0102 -0.1218)
OKLCH	oklch(38.51% 0.122 265.2)
XYZ	xyz(6.5792, 5.4678, 22.5340)
Luminance	0.0547 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233E84 #846923

analogous

#236E84 #233E84 #382384

triadic

#233E84 #84233E #3E8423

tetradic

#233E84 #84236E #846923 #238438

square

#233E84 #84236E #846923 #238438

split-complementary

#233E84 #843823 #6E8423

monochromatic

#091123 #162754 #233E84 #3055B4 #5174D1

Accessibility & contrast

On white

10.03

#233E84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#233E84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233E84

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233E84	#FFFFFF	#000000	##FFFFFF
##233E84	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#124787

Deuteranopia (green-blind)

#003E83

Tritanopia (blue-blind)

#004F5B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #233e84;
/* rgb */ color: rgb(35, 62, 132);
/* oklch */ color: oklch(38.5% 0.122 265.2);

Tailwind

colors: {
  custom: {
    50: '#6b72a8',
    500: '#233e84',
    950: '#000000',
  },
}

SCSS

$custom: #233e84;
$custom-light: #6b72a8;
$custom-dark: #000000;

JSON

{
  "hex": "#233e84",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 132
  },
  "hsl": {
    "h": 223.299,
    "s": 58.084,
    "l": 32.745
  },
  "oklch": {
    "l": 0.38507,
    "c": 0.12228,
    "h": 265.2
  },
  "luminance": 0.05469
}

Semantic roles & 50–950 ramp

primary

#233E84

secondary

#B4984E

accent

#B646E1

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #233E84

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

Preview Lab → · Contrast checker → · Palette generator →