#23428C#23428C

#23428C is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.0% C 0.129 H 264.3°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#23428C
RGB	rgb(35, 66, 140)
HSL	hsl(222, 60%, 34%)
HSV	hsv(222, 75%, 55%)
CMYK	cmyk(75%, 52.9%, 0%, 45.1%)
CIE-LAB	lab(29.78, 15.92, -44.52)
CIE-LCH	lch(29.78, 47.28, 289.68°)
OKLab	oklab(40.03% -0.0129 -0.128)
OKLCH	oklch(40.03% 0.129 264.3)
XYZ	xyz(7.3733, 6.1464, 25.6036)
Luminance	0.0615 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23428C #8C6D23

analogous

#23778C #23428C #39238C

triadic

#23428C #8C2342 #428C23

tetradic

#23428C #8C2377 #8C6D23 #238C39

square

#23428C #8C2377 #8C6D23 #238C39

split-complementary

#23428C #8C3923 #778C23

monochromatic

#0B142A #172B5B #23428C #2F59BD #557BD4

Accessibility & contrast

On white

9.42

#23428C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#23428C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23428C

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23428C	#FFFFFF	#000000	##FFFFFF
##23428C	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#124B8F

Deuteranopia (green-blind)

#00428B

Tritanopia (blue-blind)

#005460

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #23428c;
/* rgb */ color: rgb(35, 66, 140);
/* oklch */ color: oklch(40.0% 0.129 264.3);

Tailwind

colors: {
  custom: {
    50: '#6d75ae',
    500: '#23428c',
    950: '#000000',
  },
}

SCSS

$custom: #23428c;
$custom-light: #6d75ae;
$custom-dark: #000000;

JSON

{
  "hex": "#23428c",
  "rgb": {
    "r": 35,
    "g": 66,
    "b": 140
  },
  "hsl": {
    "h": 222.286,
    "s": 60,
    "l": 34.314
  },
  "oklch": {
    "l": 0.40025,
    "c": 0.12868,
    "h": 264.3
  },
  "luminance": 0.06147
}

Semantic roles & 50–950 ramp

primary

#23428C

secondary

#B89A52

accent

#B445E3

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #23428C

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

Preview Lab → · Contrast checker → · Palette generator →