#2333A5#2333A5

#2333A5 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.3% C 0.182 H 269.2°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#2333A5
RGB	rgb(35, 51, 165)
HSL	hsl(233, 65%, 39%)
HSV	hsv(233, 79%, 65%)
CMYK	cmyk(78.8%, 69.1%, 0%, 35.3%)
CIE-LAB	lab(27.95, 35.58, -62.75)
CIE-LCH	lch(27.95, 72.13, 299.56°)
OKLab	oklab(39.33% -0.0024 -0.1817)
OKLCH	oklch(39.33% 0.182 269.2)
XYZ	xyz(8.6662, 5.4406, 36.1834)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2333A5 #A59523

analogous

#2374A5 #2333A5 #5423A5

triadic

#2333A5 #A52333 #33A523

tetradic

#2333A5 #A52374 #A59523 #23A554

square

#2333A5 #A52374 #A59523 #23A554

split-complementary

#2333A5 #A55423 #74A523

monochromatic

#0E1440 #182373 #2333A5 #3246D3 #6473DE

Accessibility & contrast

On white

10.06

#2333A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#2333A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2333A5

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2333A5	#FFFFFF	#000000	##FFFFFF
##2333A5	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A9

Deuteranopia (green-blind)

#003CA3

Tritanopia (blue-blind)

#005268

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2333a5;
/* rgb */ color: rgb(35, 51, 165);
/* oklch */ color: oklch(39.3% 0.182 269.2);

Tailwind

colors: {
  custom: {
    50: '#756bc1',
    500: '#2333a5',
    950: '#000000',
  },
}

SCSS

$custom: #2333a5;
$custom-light: #756bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#2333a5",
  "rgb": {
    "r": 35,
    "g": 51,
    "b": 165
  },
  "hsl": {
    "h": 232.615,
    "s": 65,
    "l": 39.216
  },
  "oklch": {
    "l": 0.3933,
    "c": 0.1817,
    "h": 269.2
  },
  "luminance": 0.05442
}

Semantic roles & 50–950 ramp

primary

#2333A5

secondary

#C4B760

accent

#D340E8

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2333A5

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

Preview Lab → · Contrast checker → · Palette generator →