#2333A6#2333A6

#2333A6 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.4% C 0.183 H 269.2°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#2333A6
RGB	rgb(35, 51, 166)
HSL	hsl(233, 65%, 39%)
HSV	hsv(233, 79%, 65%)
CMYK	cmyk(78.9%, 69.3%, 0%, 34.9%)
CIE-LAB	lab(28.05, 35.95, -63.19)
CIE-LCH	lch(28.05, 72.70, 299.63°)
OKLab	oklab(39.43% -0.0025 -0.183)
OKLCH	oklch(39.43% 0.183 269.2)
XYZ	xyz(8.7575, 5.4772, 36.6646)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2333A6 #A69623

analogous

#2375A6 #2333A6 #5523A6

triadic

#2333A6 #A62333 #33A623

tetradic

#2333A6 #A62375 #A69623 #23A655

square

#2333A6 #A62375 #A69623 #23A655

split-complementary

#2333A6 #A65523 #75A623

monochromatic

#0E1441 #182373 #2333A6 #3246D4 #6574DF

Accessibility & contrast

On white

10.02

#2333A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#2333A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2333A6

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2333A6	#FFFFFF	#000000	##FFFFFF
##2333A6	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049AA

Deuteranopia (green-blind)

#003CA4

Tritanopia (blue-blind)

#005368

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2333a6;
/* rgb */ color: rgb(35, 51, 166);
/* oklch */ color: oklch(39.4% 0.183 269.2);

Tailwind

colors: {
  custom: {
    50: '#756bc2',
    500: '#2333a6',
    950: '#000000',
  },
}

SCSS

$custom: #2333a6;
$custom-light: #756bc2;
$custom-dark: #000000;

JSON

{
  "hex": "#2333a6",
  "rgb": {
    "r": 35,
    "g": 51,
    "b": 166
  },
  "hsl": {
    "h": 232.672,
    "s": 65.174,
    "l": 39.412
  },
  "oklch": {
    "l": 0.39431,
    "c": 0.18299,
    "h": 269.2
  },
  "luminance": 0.05478
}

Semantic roles & 50–950 ramp

primary

#2333A6

secondary

#C4B861

accent

#D440E8

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2333A6

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

Preview Lab → · Contrast checker → · Palette generator →