#23317E#23317E

#23317E is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.2% C 0.131 H 270.4°. Best body text is #FFFFFF at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#23317E
RGB	rgb(35, 49, 126)
HSL	hsl(231, 57%, 32%)
HSV	hsv(231, 72%, 49%)
CMYK	cmyk(72.2%, 61.1%, 0%, 50.6%)
CIE-LAB	lab(23.87, 22.20, -45.38)
CIE-LCH	lch(23.87, 50.52, 296.07°)
OKLab	oklab(35.23% 0.0008 -0.1308)
OKLCH	oklch(35.23% 0.131 270.4)
XYZ	xyz(5.5561, 4.0598, 20.2254)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23317E #7E7023

analogous

#235F7E #23317E #43237E

triadic

#23317E #7E2331 #317E23

tetradic

#23317E #7E235F #7E7023 #237E43

square

#23317E #7E235F #7E7023 #237E43

split-complementary

#23317E #7E4323 #5F7E23

monochromatic

#080C1E #161E4E #23317E #3044AE #4E61CE

Accessibility & contrast

On white

11.59

#23317E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#23317E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23317E

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23317E	#FFFFFF	#000000	##FFFFFF
##23317E	1.00	11.59	1.81	11.59
#FFFFFF	11.59	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D81

Deuteranopia (green-blind)

#00357C

Tritanopia (blue-blind)

#004452

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #23317e;
/* rgb */ color: rgb(35, 49, 126);
/* oklch */ color: oklch(35.2% 0.131 270.4);

Tailwind

colors: {
  custom: {
    50: '#6b68a4',
    500: '#23317e',
    950: '#000000',
  },
}

SCSS

$custom: #23317e;
$custom-light: #6b68a4;
$custom-dark: #000000;

JSON

{
  "hex": "#23317e",
  "rgb": {
    "r": 35,
    "g": 49,
    "b": 126
  },
  "hsl": {
    "h": 230.769,
    "s": 56.522,
    "l": 31.569
  },
  "oklch": {
    "l": 0.3523,
    "c": 0.13083,
    "h": 270.4
  },
  "luminance": 0.0406
}

Semantic roles & 50–950 ramp

primary

#23317E

secondary

#B0A14C

accent

#C848E0

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #23317E

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

Preview Lab → · Contrast checker → · Palette generator →