#23319E#23319E

#23319E is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.3% C 0.175 H 269.8°. Best body text is #FFFFFF at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#23319E
RGB	rgb(35, 49, 158)
HSL	hsl(233, 64%, 38%)
HSV	hsv(233, 78%, 62%)
CMYK	cmyk(77.8%, 69%, 0%, 38%)
CIE-LAB	lab(26.80, 34.30, -60.41)
CIE-LCH	lch(26.80, 69.46, 299.59°)
OKLab	oklab(38.28% -0.0007 -0.1749)
OKLCH	oklch(38.28% 0.175 269.8)
XYZ	xyz(7.9609, 5.0217, 32.8908)
Luminance	0.0502 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23319E #9E9023

analogous

#236E9E #23319E #53239E

triadic

#23319E #9E2331 #319E23

tetradic

#23319E #9E236E #9E9023 #239E53

square

#23319E #9E236E #9E9023 #239E53

split-complementary

#23319E #9E5323 #6E9E23

monochromatic

#0D123A #18216C #23319E #2E41D0 #606EDC

Accessibility & contrast

On white

10.48

#23319E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#23319E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23319E

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23319E	#FFFFFF	#000000	##FFFFFF
##23319E	1.00	10.48	2.00	10.48
#FFFFFF	10.48	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A1

Deuteranopia (green-blind)

#00399C

Tritanopia (blue-blind)

#004F63

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #23319e;
/* rgb */ color: rgb(35, 49, 158);
/* oklch */ color: oklch(38.3% 0.175 269.8);

Tailwind

colors: {
  custom: {
    50: '#7369bc',
    500: '#23319e',
    950: '#000000',
  },
}

SCSS

$custom: #23319e;
$custom-light: #7369bc;
$custom-dark: #000000;

JSON

{
  "hex": "#23319e",
  "rgb": {
    "r": 35,
    "g": 49,
    "b": 158
  },
  "hsl": {
    "h": 233.171,
    "s": 63.731,
    "l": 37.843
  },
  "oklch": {
    "l": 0.38281,
    "c": 0.17486,
    "h": 269.8
  },
  "luminance": 0.05023
}

Semantic roles & 50–950 ramp

primary

#23319E

secondary

#C1B55C

accent

#D441E7

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #23319E

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

Preview Lab → · Contrast checker → · Palette generator →