#233387#233387

#233387 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.4% C 0.141 H 269.7°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#233387
RGB	rgb(35, 51, 135)
HSL	hsl(230, 59%, 33%)
HSV	hsv(230, 74%, 53%)
CMYK	cmyk(74.1%, 62.2%, 0%, 47.1%)
CIE-LAB	lab(25.18, 24.30, -48.89)
CIE-LCH	lch(25.18, 54.59, 296.43°)
OKLab	oklab(36.44% -0.0008 -0.1411)
OKLCH	oklch(36.44% 0.141 269.7)
XYZ	xyz(6.2486, 4.4736, 23.4512)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233387 #877723

analogous

#236587 #233387 #452387

triadic

#233387 #872333 #338723

tetradic

#233387 #872365 #877723 #238745

square

#233387 #872365 #877723 #238745

split-complementary

#233387 #874523 #658723

monochromatic

#0A0E26 #162156 #233387 #3045B8 #5267D2

Accessibility & contrast

On white

11.08

#233387 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#233387 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233387

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233387	#FFFFFF	#000000	##FFFFFF
##233387	1.00	11.08	1.89	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408A

Deuteranopia (green-blind)

#003785

Tritanopia (blue-blind)

#004858

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #233387;
/* rgb */ color: rgb(35, 51, 135);
/* oklch */ color: oklch(36.4% 0.141 269.7);

Tailwind

colors: {
  custom: {
    50: '#6d6aab',
    500: '#233387',
    950: '#000000',
  },
}

SCSS

$custom: #233387;
$custom-light: #6d6aab;
$custom-dark: #000000;

JSON

{
  "hex": "#233387",
  "rgb": {
    "r": 35,
    "g": 51,
    "b": 135
  },
  "hsl": {
    "h": 230.4,
    "s": 58.824,
    "l": 33.333
  },
  "oklch": {
    "l": 0.36443,
    "c": 0.14111,
    "h": 269.7
  },
  "luminance": 0.04474
}

Semantic roles & 50–950 ramp

primary

#233387

secondary

#B6A650

accent

#C946E2

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #233387

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

Preview Lab → · Contrast checker → · Palette generator →