#23428D#23428D

#23428D is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.1% C 0.130 H 264.4°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#23428D
RGB	rgb(35, 66, 141)
HSL	hsl(222, 60%, 35%)
HSV	hsv(222, 75%, 55%)
CMYK	cmyk(75.2%, 53.2%, 0%, 44.7%)
CIE-LAB	lab(29.85, 16.32, -45.01)
CIE-LCH	lch(29.85, 47.88, 289.93°)
OKLab	oklab(40.1% -0.0128 -0.1295)
OKLCH	oklch(40.1% 0.13 264.4)
XYZ	xyz(7.4474, 6.1760, 25.9937)
Luminance	0.0618 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23428D #8D6E23

analogous

#23778D #23428D #39238D

triadic

#23428D #8D2342 #428D23

tetradic

#23428D #8D2377 #8D6E23 #238D39

square

#23428D #8D2377 #8D6E23 #238D39

split-complementary

#23428D #8D3923 #778D23

monochromatic

#0B142B #172B5C #23428D #2F59BE #557BD5

Accessibility & contrast

On white

9.39

#23428D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#23428D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23428D

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23428D	#FFFFFF	#000000	##FFFFFF
##23428D	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#104B90

Deuteranopia (green-blind)

#00428B

Tritanopia (blue-blind)

#005461

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #23428d;
/* rgb */ color: rgb(35, 66, 141);
/* oklch */ color: oklch(40.1% 0.130 264.4);

Tailwind

colors: {
  custom: {
    50: '#6d75af',
    500: '#23428d',
    950: '#000000',
  },
}

SCSS

$custom: #23428d;
$custom-light: #6d75af;
$custom-dark: #000000;

JSON

{
  "hex": "#23428d",
  "rgb": {
    "r": 35,
    "g": 66,
    "b": 141
  },
  "hsl": {
    "h": 222.453,
    "s": 60.227,
    "l": 34.51
  },
  "oklch": {
    "l": 0.40104,
    "c": 0.13013,
    "h": 264.4
  },
  "luminance": 0.06177
}

Semantic roles & 50–950 ramp

primary

#23428D

secondary

#B99B53

accent

#B544E3

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #23428D

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

Preview Lab → · Contrast checker → · Palette generator →