#233178#233178

#233178 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.7% C 0.122 H 270.3°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#233178
RGB	rgb(35, 49, 120)
HSL	hsl(230, 55%, 30%)
HSV	hsv(230, 71%, 47%)
CMYK	cmyk(70.8%, 59.2%, 0%, 52.9%)
CIE-LAB	lab(23.37, 19.88, -42.39)
CIE-LCH	lch(23.37, 46.82, 295.12°)
OKLab	oklab(34.7% 0.0007 -0.122)
OKLCH	oklch(34.7% 0.122 270.3)
XYZ	xyz(5.1805, 3.9095, 18.2473)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233178 #786A23

analogous

#235B78 #233178 #402378

triadic

#233178 #782331 #317823

tetradic

#233178 #78235B #786A23 #237840

square

#233178 #78235B #786A23 #237840

split-complementary

#233178 #784023 #5B7823

monochromatic

#070A19 #151E49 #233178 #3144A7 #4B60CA

Accessibility & contrast

On white

11.78

#233178 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#233178 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233178

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233178	#FFFFFF	#000000	##FFFFFF
##233178	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)

#003C7A

Deuteranopia (green-blind)

#003477

Tritanopia (blue-blind)

#00424F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #233178;
/* rgb */ color: rgb(35, 49, 120);
/* oklch */ color: oklch(34.7% 0.122 270.3);

Tailwind

colors: {
  custom: {
    50: '#6a68a0',
    500: '#233178',
    950: '#000000',
  },
}

SCSS

$custom: #233178;
$custom-light: #6a68a0;
$custom-dark: #000000;

JSON

{
  "hex": "#233178",
  "rgb": {
    "r": 35,
    "g": 49,
    "b": 120
  },
  "hsl": {
    "h": 230.118,
    "s": 54.839,
    "l": 30.392
  },
  "oklch": {
    "l": 0.34702,
    "c": 0.12204,
    "h": 270.3
  },
  "luminance": 0.0391
}

Semantic roles & 50–950 ramp

primary

#233178

secondary

#AB9B4C

accent

#C64ADE

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060F

muted

#7A7A7E

Preview Lab

Preview with #233178

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

Preview Lab → · Contrast checker → · Palette generator →