#23319D#23319D

#23319D is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.2% C 0.174 H 269.8°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#23319D
RGB	rgb(35, 49, 157)
HSL	hsl(233, 64%, 38%)
HSV	hsv(233, 78%, 62%)
CMYK	cmyk(77.7%, 68.8%, 0%, 38.4%)
CIE-LAB	lab(26.70, 33.93, -59.96)
CIE-LCH	lch(26.70, 68.89, 299.51°)
OKLab	oklab(38.18% -0.0006 -0.1735)
OKLCH	oklch(38.18% 0.174 269.8)
XYZ	xyz(7.8752, 4.9874, 32.4394)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23319D #9D8F23

analogous

#236E9D #23319D #52239D

triadic

#23319D #9D2331 #319D23

tetradic

#23319D #9D236E #9D8F23 #239D52

square

#23319D #9D236E #9D8F23 #239D52

split-complementary

#23319D #9D5223 #6E9D23

monochromatic

#0D1239 #18216B #23319D #2E41CF #5F6DDB

Accessibility & contrast

On white

10.51

#23319D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#23319D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23319D

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23319D	#FFFFFF	#000000	##FFFFFF
##23319D	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A0

Deuteranopia (green-blind)

#00399B

Tritanopia (blue-blind)

#004E63

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #23319d;
/* rgb */ color: rgb(35, 49, 157);
/* oklch */ color: oklch(38.2% 0.174 269.8);

Tailwind

colors: {
  custom: {
    50: '#7369bb',
    500: '#23319d',
    950: '#000000',
  },
}

SCSS

$custom: #23319d;
$custom-light: #7369bb;
$custom-dark: #000000;

JSON

{
  "hex": "#23319d",
  "rgb": {
    "r": 35,
    "g": 49,
    "b": 157
  },
  "hsl": {
    "h": 233.115,
    "s": 63.542,
    "l": 37.647
  },
  "oklch": {
    "l": 0.38181,
    "c": 0.17355,
    "h": 269.8
  },
  "luminance": 0.04988
}

Semantic roles & 50–950 ramp

primary

#23319D

secondary

#C0B55C

accent

#D441E7

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #23319D

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

Preview Lab → · Contrast checker → · Palette generator →