#2333A7#2333A7

#2333A7 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.5% C 0.184 H 269.2°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).

Color values

HEX	#2333A7
RGB	rgb(35, 51, 167)
HSL	hsl(233, 65%, 40%)
HSV	hsv(233, 79%, 65%)
CMYK	cmyk(79%, 69.5%, 0%, 34.5%)
CIE-LAB	lab(28.15, 36.31, -63.63)
CIE-LCH	lch(28.15, 73.26, 299.71°)
OKLab	oklab(39.53% -0.0026 -0.1842)
OKLCH	oklch(39.53% 0.184 269.2)
XYZ	xyz(8.8496, 5.5140, 37.1496)
Luminance	0.0551 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2333A7 #A79723

analogous

#2375A7 #2333A7 #5523A7

triadic

#2333A7 #A72333 #33A723

tetradic

#2333A7 #A72375 #A79723 #23A755

square

#2333A7 #A72375 #A79723 #23A755

split-complementary

#2333A7 #A75523 #75A723

monochromatic

#0E1442 #182474 #2333A7 #3347D4 #6674DF

Accessibility & contrast

On white

9.99

#2333A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#2333A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2333A7

9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2333A7	#FFFFFF	#000000	##FFFFFF
##2333A7	1.00	9.99	2.10	9.99
#FFFFFF	9.99	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049AB

Deuteranopia (green-blind)

#003CA5

Tritanopia (blue-blind)

#005369

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2333a7;
/* rgb */ color: rgb(35, 51, 167);
/* oklch */ color: oklch(39.5% 0.184 269.2);

Tailwind

colors: {
  custom: {
    50: '#756bc2',
    500: '#2333a7',
    950: '#000000',
  },
}

SCSS

$custom: #2333a7;
$custom-light: #756bc2;
$custom-dark: #000000;

JSON

{
  "hex": "#2333a7",
  "rgb": {
    "r": 35,
    "g": 51,
    "b": 167
  },
  "hsl": {
    "h": 232.727,
    "s": 65.347,
    "l": 39.608
  },
  "oklch": {
    "l": 0.39532,
    "c": 0.18427,
    "h": 269.2
  },
  "luminance": 0.05515
}

Semantic roles & 50–950 ramp

primary

#2333A7

secondary

#C4B861

accent

#D43FE8

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #2333A7

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

Preview Lab → · Contrast checker → · Palette generator →