#23317D#23317D

#23317D is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.1% C 0.129 H 270.4°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#23317D
RGB	rgb(35, 49, 125)
HSL	hsl(231, 56%, 31%)
HSV	hsv(231, 72%, 49%)
CMYK	cmyk(72%, 60.8%, 0%, 51%)
CIE-LAB	lab(23.78, 21.82, -44.88)
CIE-LCH	lch(23.78, 49.90, 295.92°)
OKLab	oklab(35.14% 0.0008 -0.1294)
OKLCH	oklch(35.14% 0.129 270.4)
XYZ	xyz(5.4919, 4.0341, 19.8873)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23317D #7D6F23

analogous

#235E7D #23317D #42237D

triadic

#23317D #7D2331 #317D23

tetradic

#23317D #7D235E #7D6F23 #237D42

square

#23317D #7D235E #7D6F23 #237D42

split-complementary

#23317D #7D4223 #5E7D23

monochromatic

#080C1D #161E4D #23317D #3044AD #4D61CD

Accessibility & contrast

On white

11.62

#23317D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#23317D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23317D

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23317D	#FFFFFF	#000000	##FFFFFF
##23317D	1.00	11.62	1.81	11.62
#FFFFFF	11.62	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D80

Deuteranopia (green-blind)

#00357C

Tritanopia (blue-blind)

#004452

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #23317d;
/* rgb */ color: rgb(35, 49, 125);
/* oklch */ color: oklch(35.1% 0.129 270.4);

Tailwind

colors: {
  custom: {
    50: '#6b68a3',
    500: '#23317d',
    950: '#000000',
  },
}

SCSS

$custom: #23317d;
$custom-light: #6b68a3;
$custom-dark: #000000;

JSON

{
  "hex": "#23317d",
  "rgb": {
    "r": 35,
    "g": 49,
    "b": 125
  },
  "hsl": {
    "h": 230.667,
    "s": 56.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.3514,
    "c": 0.12938,
    "h": 270.4
  },
  "luminance": 0.04035
}

Semantic roles & 50–950 ramp

primary

#23317D

secondary

#AFA04C

accent

#C848E0

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #23317D

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

Preview Lab → · Contrast checker → · Palette generator →