#233371#233371

#233371 is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.5% C 0.109 H 269.1°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#233371
RGB	rgb(35, 51, 113)
HSL	hsl(228, 53%, 29%)
HSV	hsv(228, 69%, 44%)
CMYK	cmyk(69%, 54.9%, 0%, 55.7%)
CIE-LAB	lab(23.39, 15.74, -37.88)
CIE-LCH	lch(23.39, 41.02, 292.56°)
OKLab	oklab(34.55% -0.0017 -0.1088)
OKLCH	oklch(34.55% 0.109 269.1)
XYZ	xyz(4.8566, 3.9168, 16.1197)
Luminance	0.0392 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233371 #716123

analogous

#235A71 #233371 #3A2371

triadic

#233371 #712333 #337123

tetradic

#233371 #71235A #716123 #23713A

square

#233371 #71235A #716123 #23713A

split-complementary

#233371 #713A23 #5A7123

monochromatic

#070B17 #151E42 #233371 #3148A0 #4862C6

Accessibility & contrast

On white

11.78

#233371 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#233371 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233371

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233371	#FFFFFF	#000000	##FFFFFF
##233371	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C3B73

Deuteranopia (green-blind)

#003470

Tritanopia (blue-blind)

#00424C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #233371;
/* rgb */ color: rgb(35, 51, 113);
/* oklch */ color: oklch(34.5% 0.109 269.1);

Tailwind

colors: {
  custom: {
    50: '#686a9a',
    500: '#233371',
    950: '#000000',
  },
}

SCSS

$custom: #233371;
$custom-light: #686a9a;
$custom-dark: #000000;

JSON

{
  "hex": "#233371",
  "rgb": {
    "r": 35,
    "g": 51,
    "b": 113
  },
  "hsl": {
    "h": 227.692,
    "s": 52.703,
    "l": 29.02
  },
  "oklch": {
    "l": 0.34546,
    "c": 0.10877,
    "h": 269.1
  },
  "luminance": 0.03917
}

Semantic roles & 50–950 ramp

primary

#233371

secondary

#A4924C

accent

#BE4CDC

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #233371

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

Preview Lab → · Contrast checker → · Palette generator →