#23279B#23279B

#23279B is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.4% C 0.182 H 271.4°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#23279B
RGB	rgb(35, 39, 155)
HSL	hsl(238, 63%, 37%)
HSV	hsv(238, 77%, 61%)
CMYK	cmyk(77.4%, 74.8%, 0%, 39.2%)
CIE-LAB	lab(24.24, 39.41, -62.79)
CIE-LCH	lch(24.24, 74.13, 302.12°)
OKLab	oklab(36.35% 0.0046 -0.1818)
OKLCH	oklch(36.35% 0.182 271.4)
XYZ	xyz(7.3330, 4.1741, 31.4232)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23279B #9B9723

analogous

#23639B #23279B #5B239B

triadic

#23279B #9B2327 #279B23

tetradic

#23279B #9B2363 #9B9723 #239B5B

square

#23279B #9B2363 #9B9723 #239B5B

split-complementary

#23279B #9B5B23 #639B23

monochromatic

#0C0E37 #181A69 #23279B #2E34CD #5E62DB

Accessibility & contrast

On white

11.44

#23279B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#23279B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23279B

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23279B	#FFFFFF	#000000	##FFFFFF
##23279B	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F9E

Deuteranopia (green-blind)

#003499

Tritanopia (blue-blind)

#00495F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #23279b;
/* rgb */ color: rgb(35, 39, 155);
/* oklch */ color: oklch(36.4% 0.182 271.4);

Tailwind

colors: {
  custom: {
    50: '#7362ba',
    500: '#23279b',
    950: '#000000',
  },
}

SCSS

$custom: #23279b;
$custom-light: #7362ba;
$custom-dark: #000000;

JSON

{
  "hex": "#23279b",
  "rgb": {
    "r": 35,
    "g": 39,
    "b": 155
  },
  "hsl": {
    "h": 238,
    "s": 63.158,
    "l": 37.255
  },
  "oklch": {
    "l": 0.3635,
    "c": 0.18184,
    "h": 271.4
  },
  "luminance": 0.04175
}

Semantic roles & 50–950 ramp

primary

#23279B

secondary

#BFBC5A

accent

#E142E6

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #23279B

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

Preview Lab → · Contrast checker → · Palette generator →