#23428F#23428F

#23428F is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.3% C 0.133 H 264.6°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#23428F
RGB	rgb(35, 66, 143)
HSL	hsl(223, 61%, 35%)
HSV	hsv(223, 76%, 56%)
CMYK	cmyk(75.5%, 53.8%, 0%, 43.9%)
CIE-LAB	lab(30.00, 17.11, -46.00)
CIE-LCH	lch(30.00, 49.08, 290.40°)
OKLab	oklab(40.26% -0.0125 -0.1324)
OKLCH	oklch(40.26% 0.133 264.6)
XYZ	xyz(7.5975, 6.2361, 26.7846)
Luminance	0.0624 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23428F #8F7023

analogous

#23788F #23428F #3A238F

triadic

#23428F #8F2342 #428F23

tetradic

#23428F #8F2378 #8F7023 #238F3A

square

#23428F #8F2378 #8F7023 #238F3A

split-complementary

#23428F #8F3A23 #788F23

monochromatic

#0B152D #172B5E #23428F #2F59C0 #577BD6

Accessibility & contrast

On white

9.34

#23428F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#23428F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23428F

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23428F	#FFFFFF	#000000	##FFFFFF
##23428F	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C4C92

Deuteranopia (green-blind)

#00428D

Tritanopia (blue-blind)

#005562

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #23428f;
/* rgb */ color: rgb(35, 66, 143);
/* oklch */ color: oklch(40.3% 0.133 264.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#23428f",
  "rgb": {
    "r": 35,
    "g": 66,
    "b": 143
  },
  "hsl": {
    "h": 222.778,
    "s": 60.674,
    "l": 34.902
  },
  "oklch": {
    "l": 0.40263,
    "c": 0.133,
    "h": 264.6
  },
  "luminance": 0.06237
}

Semantic roles & 50–950 ramp

primary

#23428F

secondary

#BA9D54

accent

#B644E4

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080811

muted

#7B7B80

Preview Lab

Preview with #23428F

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

Preview Lab → · Contrast checker → · Palette generator →