#23339E#23339E

#23339E is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.6% C 0.173 H 269.4°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#23339E
RGB	rgb(35, 51, 158)
HSL	hsl(232, 64%, 38%)
HSV	hsv(232, 78%, 62%)
CMYK	cmyk(77.8%, 67.7%, 0%, 38%)
CIE-LAB	lab(27.28, 33.01, -59.62)
CIE-LCH	lch(27.28, 68.15, 298.97°)
OKLab	oklab(38.63% -0.0018 -0.1725)
OKLCH	oklch(38.63% 0.173 269.4)
XYZ	xyz(8.0464, 5.1927, 32.9193)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23339E #9E8E23

analogous

#23709E #23339E #50239E

triadic

#23339E #9E2333 #339E23

tetradic

#23339E #9E2370 #9E8E23 #239E50

square

#23339E #9E2370 #9E8E23 #239E50

split-complementary

#23339E #9E5023 #709E23

monochromatic

#0D133A #18236C #23339E #2E43D0 #6070DC

Accessibility & contrast

On white

10.30

#23339E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#23339E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23339E

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23339E	#FFFFFF	#000000	##FFFFFF
##23339E	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A1

Deuteranopia (green-blind)

#003B9C

Tritanopia (blue-blind)

#005064

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #23339e;
/* rgb */ color: rgb(35, 51, 158);
/* oklch */ color: oklch(38.6% 0.173 269.4);

Tailwind

colors: {
  custom: {
    50: '#736bbc',
    500: '#23339e',
    950: '#000000',
  },
}

SCSS

$custom: #23339e;
$custom-light: #736bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#23339e",
  "rgb": {
    "r": 35,
    "g": 51,
    "b": 158
  },
  "hsl": {
    "h": 232.195,
    "s": 63.731,
    "l": 37.843
  },
  "oklch": {
    "l": 0.38631,
    "c": 0.17255,
    "h": 269.4
  },
  "luminance": 0.05194
}

Semantic roles & 50–950 ramp

primary

#23339E

secondary

#C1B45C

accent

#D141E7

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #23339E

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

Preview Lab → · Contrast checker → · Palette generator →