#233179#233179

#233179 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.8% C 0.124 H 270.3°. Best body text is #FFFFFF at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#233179
RGB	rgb(35, 49, 121)
HSL	hsl(230, 55%, 31%)
HSV	hsv(230, 71%, 47%)
CMYK	cmyk(71.1%, 59.5%, 0%, 52.5%)
CIE-LAB	lab(23.45, 20.27, -42.89)
CIE-LCH	lch(23.45, 47.44, 295.29°)
OKLab	oklab(34.79% 0.0007 -0.1235)
OKLCH	oklch(34.79% 0.124 270.3)
XYZ	xyz(5.2415, 3.9339, 18.5685)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233179 #796B23

analogous

#235C79 #233179 #402379

triadic

#233179 #792331 #317923

tetradic

#233179 #79235C #796B23 #237940

square

#233179 #79235C #796B23 #237940

split-complementary

#233179 #794023 #5C7923

monochromatic

#080B1A #151E4A #233179 #3144A8 #4B60CB

Accessibility & contrast

On white

11.75

#233179 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#233179 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233179

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233179	#FFFFFF	#000000	##FFFFFF
##233179	1.00	11.75	1.79	11.75
#FFFFFF	11.75	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C7B

Deuteranopia (green-blind)

#003478

Tritanopia (blue-blind)

#004350

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #233179;
/* rgb */ color: rgb(35, 49, 121);
/* oklch */ color: oklch(34.8% 0.124 270.3);

Tailwind

colors: {
  custom: {
    50: '#6a68a0',
    500: '#233179',
    950: '#000000',
  },
}

SCSS

$custom: #233179;
$custom-light: #6a68a0;
$custom-dark: #000000;

JSON

{
  "hex": "#233179",
  "rgb": {
    "r": 35,
    "g": 49,
    "b": 121
  },
  "hsl": {
    "h": 230.233,
    "s": 55.128,
    "l": 30.588
  },
  "oklch": {
    "l": 0.34789,
    "c": 0.12352,
    "h": 270.3
  },
  "luminance": 0.03934
}

Semantic roles & 50–950 ramp

primary

#233179

secondary

#AC9C4C

accent

#C649DE

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060F

muted

#7A7A7E

Preview Lab

Preview with #233179

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

Preview Lab → · Contrast checker → · Palette generator →