#233281#233281

#233281 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.7% C 0.134 H 270.0°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#233281
RGB	rgb(35, 50, 129)
HSL	hsl(230, 57%, 32%)
HSV	hsv(230, 73%, 51%)
CMYK	cmyk(72.9%, 61.2%, 0%, 49.4%)
CIE-LAB	lab(24.40, 22.67, -46.41)
CIE-LCH	lch(24.40, 51.65, 296.04°)
OKLab	oklab(35.7% 0 -0.1338)
OKLCH	oklch(35.7% 0.134 270)
XYZ	xyz(5.7948, 4.2229, 21.2743)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233281 #817223

analogous

#236181 #233281 #432381

triadic

#233281 #812332 #328123

tetradic

#233281 #812361 #817223 #238143

square

#233281 #812361 #817223 #238143

split-complementary

#233281 #814323 #618123

monochromatic

#090D21 #161F51 #233281 #3045B1 #4F64CF

Accessibility & contrast

On white

11.38

#233281 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#233281 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233281

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233281	#FFFFFF	#000000	##FFFFFF
##233281	1.00	11.38	1.84	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E84

Deuteranopia (green-blind)

#00367F

Tritanopia (blue-blind)

#004654

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #233281;
/* rgb */ color: rgb(35, 50, 129);
/* oklch */ color: oklch(35.7% 0.134 270.0);

Tailwind

colors: {
  custom: {
    50: '#6c69a6',
    500: '#233281',
    950: '#000000',
  },
}

SCSS

$custom: #233281;
$custom-light: #6c69a6;
$custom-dark: #000000;

JSON

{
  "hex": "#233281",
  "rgb": {
    "r": 35,
    "g": 50,
    "b": 129
  },
  "hsl": {
    "h": 230.426,
    "s": 57.317,
    "l": 32.157
  },
  "oklch": {
    "l": 0.35701,
    "c": 0.13385,
    "h": 270
  },
  "luminance": 0.04224
}

Semantic roles & 50–950 ramp

primary

#233281

secondary

#B3A34D

accent

#C847E1

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08060F

muted

#7A7A7F

Preview Lab

Preview with #233281

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

Preview Lab → · Contrast checker → · Palette generator →