#233589#233589

#233589 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.0% C 0.141 H 269.0°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#233589
RGB	rgb(35, 53, 137)
HSL	hsl(229, 59%, 34%)
HSV	hsv(229, 74%, 54%)
CMYK	cmyk(74.5%, 61.3%, 0%, 46.3%)
CIE-LAB	lab(25.89, 23.70, -48.97)
CIE-LCH	lch(25.89, 54.41, 295.83°)
OKLab	oklab(37.02% -0.0023 -0.1413)
OKLCH	oklch(37.02% 0.141 269)
XYZ	xyz(6.4800, 4.7090, 24.2295)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233589 #897723

analogous

#236889 #233589 #442389

triadic

#233589 #892335 #358923

tetradic

#233589 #892368 #897723 #238944

square

#233589 #892368 #897723 #238944

split-complementary

#233589 #894423 #688923

monochromatic

#0A0F28 #172258 #233589 #2F48BA #536AD3

Accessibility & contrast

On white

10.81

#233589 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#233589 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233589

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233589	#FFFFFF	#000000	##FFFFFF
##233589	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428C

Deuteranopia (green-blind)

#003987

Tritanopia (blue-blind)

#004A59

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #233589;
/* rgb */ color: rgb(35, 53, 137);
/* oklch */ color: oklch(37.0% 0.141 269.0);

Tailwind

colors: {
  custom: {
    50: '#6d6cac',
    500: '#233589',
    950: '#000000',
  },
}

SCSS

$custom: #233589;
$custom-light: #6d6cac;
$custom-dark: #000000;

JSON

{
  "hex": "#233589",
  "rgb": {
    "r": 35,
    "g": 53,
    "b": 137
  },
  "hsl": {
    "h": 229.412,
    "s": 59.302,
    "l": 33.725
  },
  "oklch": {
    "l": 0.37024,
    "c": 0.14136,
    "h": 269
  },
  "luminance": 0.0471
}

Semantic roles & 50–950 ramp

primary

#233589

secondary

#B7A551

accent

#C745E2

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #233589

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

Preview Lab → · Contrast checker → · Palette generator →