#23315B#23315B

#23315B is a dark, moderate blue. Relative luminance 0.033; OKLCH L 32.4% C 0.077 H 268.1°. Best body text is #FFFFFF at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#23315B
RGB	rgb(35, 49, 91)
HSL	hsl(225, 44%, 25%)
HSV	hsv(225, 62%, 36%)
CMYK	cmyk(61.5%, 46.2%, 0%, 64.3%)
CIE-LAB	lab(21.24, 8.61, -27.04)
CIE-LCH	lch(21.24, 28.38, 287.67°)
OKLab	oklab(32.41% -0.0026 -0.0769)
OKLCH	oklch(32.41% 0.077 268.1)
XYZ	xyz(3.6791, 3.3090, 10.3403)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23315B #5B4D23

analogous

#234D5B #23315B #31235B

triadic

#23315B #5B2331 #315B23

tetradic

#23315B #5B234D #5B4D23 #235B31

square

#23315B #5B234D #5B4D23 #235B31

split-complementary

#23315B #5B3123 #4D5B23

monochromatic

#090C16 #12192F #23315B #344987 #4561B3

Accessibility & contrast

On white

12.64

#23315B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#23315B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23315B

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23315B	#FFFFFF	#000000	##FFFFFF
##23315B	1.00	12.64	1.66	12.64
#FFFFFF	12.64	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F365D

Deuteranopia (green-blind)

#17315A

Tritanopia (blue-blind)

#003A41

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #23315b;
/* rgb */ color: rgb(35, 49, 91);
/* oklch */ color: oklch(32.4% 0.077 268.1);

Tailwind

colors: {
  custom: {
    50: '#63688a',
    500: '#23315b',
    950: '#000000',
  },
}

SCSS

$custom: #23315b;
$custom-light: #63688a;
$custom-dark: #000000;

JSON

{
  "hex": "#23315b",
  "rgb": {
    "r": 35,
    "g": 49,
    "b": 91
  },
  "hsl": {
    "h": 225,
    "s": 44.444,
    "l": 24.706
  },
  "oklch": {
    "l": 0.3241,
    "c": 0.07695,
    "h": 268.1
  },
  "luminance": 0.03309
}

Semantic roles & 50–950 ramp

primary

#23315B

secondary

#8F7E4B

accent

#B454D4

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#06060B

muted

#7A7A7C

Preview Lab

Preview with #23315B

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

Preview Lab → · Contrast checker → · Palette generator →