#23428E#23428E

#23428E is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.2% C 0.132 H 264.5°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#23428E
RGB	rgb(35, 66, 142)
HSL	hsl(223, 60%, 35%)
HSV	hsv(223, 75%, 56%)
CMYK	cmyk(75.4%, 53.5%, 0%, 44.3%)
CIE-LAB	lab(29.93, 16.71, -45.51)
CIE-LCH	lch(29.93, 48.48, 290.16°)
OKLab	oklab(40.18% -0.0126 -0.1309)
OKLCH	oklch(40.18% 0.132 264.5)
XYZ	xyz(7.5221, 6.2059, 26.3874)
Luminance	0.0621 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23428E #8E6F23

analogous

#23788E #23428E #3A238E

triadic

#23428E #8E2342 #428E23

tetradic

#23428E #8E2378 #8E6F23 #238E3A

square

#23428E #8E2378 #8E6F23 #238E3A

split-complementary

#23428E #8E3A23 #788E23

monochromatic

#0B142C #172B5D #23428E #2F59BF #567BD5

Accessibility & contrast

On white

9.37

#23428E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#23428E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23428E

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23428E	#FFFFFF	#000000	##FFFFFF
##23428E	1.00	9.37	2.24	9.37
#FFFFFF	9.37	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E4C91

Deuteranopia (green-blind)

#00428C

Tritanopia (blue-blind)

#005461

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #23428e;
/* rgb */ color: rgb(35, 66, 142);
/* oklch */ color: oklch(40.2% 0.132 264.5);

Tailwind

colors: {
  custom: {
    50: '#6e75b0',
    500: '#23428e',
    950: '#000000',
  },
}

SCSS

$custom: #23428e;
$custom-light: #6e75b0;
$custom-dark: #000000;

JSON

{
  "hex": "#23428e",
  "rgb": {
    "r": 35,
    "g": 66,
    "b": 142
  },
  "hsl": {
    "h": 222.617,
    "s": 60.452,
    "l": 34.706
  },
  "oklch": {
    "l": 0.40184,
    "c": 0.13156,
    "h": 264.5
  },
  "luminance": 0.06207
}

Semantic roles & 50–950 ramp

primary

#23428E

secondary

#B99C53

accent

#B544E4

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #23428E

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

Preview Lab → · Contrast checker → · Palette generator →