#2333A0#2333A0

#2333A0 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.8% C 0.175 H 269.4°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#2333A0
RGB	rgb(35, 51, 160)
HSL	hsl(232, 64%, 38%)
HSV	hsv(232, 78%, 63%)
CMYK	cmyk(78.1%, 68.1%, 0%, 37.3%)
CIE-LAB	lab(27.47, 33.75, -60.52)
CIE-LCH	lch(27.47, 69.29, 299.15°)
OKLab	oklab(38.83% -0.002 -0.1752)
OKLCH	oklch(38.83% 0.175 269.4)
XYZ	xyz(8.2199, 5.2621, 33.8334)
Luminance	0.0526 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2333A0 #A09023

analogous

#2371A0 #2333A0 #5123A0

triadic

#2333A0 #A02333 #33A023

tetradic

#2333A0 #A02371 #A09023 #23A051

square

#2333A0 #A02371 #A09023 #23A051

split-complementary

#2333A0 #A05123 #71A023

monochromatic

#0D133C #18236E #2333A0 #2F44D1 #6171DC

Accessibility & contrast

On white

10.23

#2333A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2333A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2333A0

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2333A0	#FFFFFF	#000000	##FFFFFF
##2333A0	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A3

Deuteranopia (green-blind)

#003B9E

Tritanopia (blue-blind)

#005165

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2333a0;
/* rgb */ color: rgb(35, 51, 160);
/* oklch */ color: oklch(38.8% 0.175 269.4);

Tailwind

colors: {
  custom: {
    50: '#736bbd',
    500: '#2333a0',
    950: '#000000',
  },
}

SCSS

$custom: #2333a0;
$custom-light: #736bbd;
$custom-dark: #000000;

JSON

{
  "hex": "#2333a0",
  "rgb": {
    "r": 35,
    "g": 51,
    "b": 160
  },
  "hsl": {
    "h": 232.32,
    "s": 64.103,
    "l": 38.235
  },
  "oklch": {
    "l": 0.38829,
    "c": 0.17518,
    "h": 269.4
  },
  "luminance": 0.05263
}

Semantic roles & 50–950 ramp

primary

#2333A0

secondary

#C1B55D

accent

#D241E7

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #2333A0

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

Preview Lab → · Contrast checker → · Palette generator →