#23247B#23247B

#23247B is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.5% C 0.143 H 274.5°. Best body text is #FFFFFF at 13.05:1 contrast (WCAG AA passes).

Color values

HEX	#23247B
RGB	rgb(35, 36, 123)
HSL	hsl(239, 56%, 31%)
HSV	hsv(239, 72%, 48%)
CMYK	cmyk(71.5%, 70.7%, 0%, 51.8%)
CIE-LAB	lab(20.24, 29.87, -49.41)
CIE-LCH	lch(20.24, 57.74, 301.15°)
OKLab	oklab(32.48% 0.0112 -0.1427)
OKLCH	oklch(32.48% 0.143 274.5)
XYZ	xyz(4.8980, 3.0487, 19.0654)
Luminance	0.0305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23247B #7B7A23

analogous

#23507B #23247B #4E237B

triadic

#23247B #7B2324 #247B23

tetradic

#23247B #7B2350 #7B7A23 #237B4E

square

#23247B #7B2350 #7B7A23 #237B4E

split-complementary

#23247B #7B4E23 #507B23

monochromatic

#08081C #15164B #23247B #3132AB #4C4ECC

Accessibility & contrast

On white

13.05

#23247B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#23247B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23247B

13.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23247B	#FFFFFF	#000000	##FFFFFF
##23247B	1.00	13.05	1.61	13.05
#FFFFFF	13.05	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357E

Deuteranopia (green-blind)

#002D79

Tritanopia (blue-blind)

#003B4C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #23247b;
/* rgb */ color: rgb(35, 36, 123);
/* oklch */ color: oklch(32.5% 0.143 274.5);

Tailwind

colors: {
  custom: {
    50: '#6b5fa2',
    500: '#23247b',
    950: '#000000',
  },
}

SCSS

$custom: #23247b;
$custom-light: #6b5fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#23247b",
  "rgb": {
    "r": 35,
    "g": 36,
    "b": 123
  },
  "hsl": {
    "h": 239.318,
    "s": 55.696,
    "l": 30.98
  },
  "oklch": {
    "l": 0.32481,
    "c": 0.14319,
    "h": 274.5
  },
  "luminance": 0.03049
}

Semantic roles & 50–950 ramp

primary

#23247B

secondary

#AEAC4C

accent

#DD49DF

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #23247B

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

Preview Lab → · Contrast checker → · Palette generator →