#233370#233370

#233370 is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.5% C 0.107 H 269.1°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#233370
RGB	rgb(35, 51, 112)
HSL	hsl(228, 52%, 29%)
HSV	hsv(228, 69%, 44%)
CMYK	cmyk(68.8%, 54.5%, 0%, 56.1%)
CIE-LAB	lab(23.32, 15.34, -37.36)
CIE-LCH	lch(23.32, 40.39, 292.33°)
OKLab	oklab(34.47% -0.0018 -0.1072)
OKLCH	oklch(34.47% 0.107 269.1)
XYZ	xyz(4.8006, 3.8944, 15.8248)
Luminance	0.0389 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233370 #706023

analogous

#235A70 #233370 #3A2370

triadic

#233370 #702333 #337023

tetradic

#233370 #70235A #706023 #23703A

square

#233370 #70235A #706023 #23703A

split-complementary

#233370 #703A23 #5A7023

monochromatic

#070B17 #141E41 #233370 #32489F #4862C6

Accessibility & contrast

On white

11.80

#233370 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#233370 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233370

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233370	#FFFFFF	#000000	##FFFFFF
##233370	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E3B72

Deuteranopia (green-blind)

#00346F

Tritanopia (blue-blind)

#00414C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #233370;
/* rgb */ color: rgb(35, 51, 112);
/* oklch */ color: oklch(34.5% 0.107 269.1);

Tailwind

colors: {
  custom: {
    50: '#686a99',
    500: '#233370',
    950: '#000000',
  },
}

SCSS

$custom: #233370;
$custom-light: #686a99;
$custom-dark: #000000;

JSON

{
  "hex": "#233370",
  "rgb": {
    "r": 35,
    "g": 51,
    "b": 112
  },
  "hsl": {
    "h": 227.532,
    "s": 52.381,
    "l": 28.824
  },
  "oklch": {
    "l": 0.34465,
    "c": 0.10724,
    "h": 269.1
  },
  "luminance": 0.03895
}

Semantic roles & 50–950 ramp

primary

#233370

secondary

#A3914C

accent

#BE4CDC

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #233370

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

Preview Lab → · Contrast checker → · Palette generator →