#233388#233388

#233388 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.5% C 0.143 H 269.7°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#233388
RGB	rgb(35, 51, 136)
HSL	hsl(230, 59%, 34%)
HSV	hsv(230, 74%, 53%)
CMYK	cmyk(74.3%, 62.5%, 0%, 46.7%)
CIE-LAB	lab(25.27, 24.69, -49.37)
CIE-LCH	lch(25.27, 55.20, 296.57°)
OKLab	oklab(36.54% -0.0008 -0.1425)
OKLCH	oklch(36.54% 0.143 269.7)
XYZ	xyz(6.3194, 4.5019, 23.8237)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233388 #887823

analogous

#236588 #233388 #452388

triadic

#233388 #882333 #338823

tetradic

#233388 #882365 #887823 #238845

square

#233388 #882365 #887823 #238845

split-complementary

#233388 #884523 #658823

monochromatic

#0A0E27 #162157 #233388 #3045B9 #5367D3

Accessibility & contrast

On white

11.05

#233388 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#233388 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233388

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233388	#FFFFFF	#000000	##FFFFFF
##233388	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418B

Deuteranopia (green-blind)

#003786

Tritanopia (blue-blind)

#004958

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #233388;
/* rgb */ color: rgb(35, 51, 136);
/* oklch */ color: oklch(36.5% 0.143 269.7);

Tailwind

colors: {
  custom: {
    50: '#6d6aab',
    500: '#233388',
    950: '#000000',
  },
}

SCSS

$custom: #233388;
$custom-light: #6d6aab;
$custom-dark: #000000;

JSON

{
  "hex": "#233388",
  "rgb": {
    "r": 35,
    "g": 51,
    "b": 136
  },
  "hsl": {
    "h": 230.495,
    "s": 59.064,
    "l": 33.529
  },
  "oklch": {
    "l": 0.36535,
    "c": 0.14253,
    "h": 269.7
  },
  "luminance": 0.04503
}

Semantic roles & 50–950 ramp

primary

#233388

secondary

#B7A650

accent

#C946E2

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #233388

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

Preview Lab → · Contrast checker → · Palette generator →