#23428B#23428B

#23428B is a dark, vivid blue. Relative luminance 0.061; OKLCH L 39.9% C 0.127 H 264.1°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#23428B
RGB	rgb(35, 66, 139)
HSL	hsl(222, 60%, 34%)
HSV	hsv(222, 75%, 55%)
CMYK	cmyk(74.8%, 52.5%, 0%, 45.5%)
CIE-LAB	lab(29.71, 15.53, -44.02)
CIE-LCH	lch(29.71, 46.68, 289.43°)
OKLab	oklab(39.95% -0.013 -0.1266)
OKLCH	oklch(39.95% 0.127 264.1)
XYZ	xyz(7.2999, 6.1171, 25.2171)
Luminance	0.0612 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23428B #8B6C23

analogous

#23768B #23428B #38238B

triadic

#23428B #8B2342 #428B23

tetradic

#23428B #8B2376 #8B6C23 #238B38

square

#23428B #8B2376 #8B6C23 #238B38

split-complementary

#23428B #8B3823 #768B23

monochromatic

#0A1429 #172B5A #23428B #2F59BC #547AD4

Accessibility & contrast

On white

9.44

#23428B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#23428B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23428B

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23428B	#FFFFFF	#000000	##FFFFFF
##23428B	1.00	9.44	2.22	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#144B8E

Deuteranopia (green-blind)

#00418A

Tritanopia (blue-blind)

#005360

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #23428b;
/* rgb */ color: rgb(35, 66, 139);
/* oklch */ color: oklch(39.9% 0.127 264.1);

Tailwind

colors: {
  custom: {
    50: '#6d75ad',
    500: '#23428b',
    950: '#000000',
  },
}

SCSS

$custom: #23428b;
$custom-light: #6d75ad;
$custom-dark: #000000;

JSON

{
  "hex": "#23428b",
  "rgb": {
    "r": 35,
    "g": 66,
    "b": 139
  },
  "hsl": {
    "h": 222.115,
    "s": 59.77,
    "l": 34.118
  },
  "oklch": {
    "l": 0.39946,
    "c": 0.12723,
    "h": 264.1
  },
  "luminance": 0.06118
}

Semantic roles & 50–950 ramp

primary

#23428B

secondary

#B89A52

accent

#B445E3

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #23428B

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

Preview Lab → · Contrast checker → · Palette generator →