#233378#233378

#233378 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 35.1% C 0.119 H 269.5°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#233378
RGB	rgb(35, 51, 120)
HSL	hsl(229, 55%, 30%)
HSV	hsv(229, 71%, 47%)
CMYK	cmyk(70.8%, 57.5%, 0%, 52.9%)
CIE-LAB	lab(23.94, 18.48, -41.47)
CIE-LCH	lch(23.94, 45.40, 294.01°)
OKLab	oklab(35.13% -0.0011 -0.1193)
OKLCH	oklch(35.13% 0.119 269.5)
XYZ	xyz(5.2660, 4.0805, 18.2758)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233378 #786823

analogous

#235D78 #233378 #3D2378

triadic

#233378 #782333 #337823

tetradic

#233378 #78235D #786823 #23783D

square

#233378 #78235D #786823 #23783D

split-complementary

#233378 #783D23 #5D7823

monochromatic

#070B19 #151F49 #233378 #3147A7 #4B63CA

Accessibility & contrast

On white

11.56

#233378 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#233378 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233378

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233378	#FFFFFF	#000000	##FFFFFF
##233378	1.00	11.56	1.82	11.56
#FFFFFF	11.56	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D7A

Deuteranopia (green-blind)

#003577

Tritanopia (blue-blind)

#004450

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #233378;
/* rgb */ color: rgb(35, 51, 120);
/* oklch */ color: oklch(35.1% 0.119 269.5);

Tailwind

colors: {
  custom: {
    50: '#696aa0',
    500: '#233378',
    950: '#000000',
  },
}

SCSS

$custom: #233378;
$custom-light: #696aa0;
$custom-dark: #000000;

JSON

{
  "hex": "#233378",
  "rgb": {
    "r": 35,
    "g": 51,
    "b": 120
  },
  "hsl": {
    "h": 228.706,
    "s": 54.839,
    "l": 30.392
  },
  "oklch": {
    "l": 0.35126,
    "c": 0.11932,
    "h": 269.5
  },
  "luminance": 0.04081
}

Semantic roles & 50–950 ramp

primary

#233378

secondary

#AB994C

accent

#C24ADE

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060F

muted

#7A7A7E

Preview Lab

Preview with #233378

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

Preview Lab → · Contrast checker → · Palette generator →