#23128E#23128E

#23128E is a dark, vivid blue. Relative luminance 0.027; OKLCH L 32.2% C 0.184 H 274.8°. Best body text is #FFFFFF at 13.56:1 contrast (WCAG AA passes).

Color values

HEX	#23128E
RGB	rgb(35, 18, 142)
HSL	hsl(248, 78%, 31%)
HSV	hsv(248, 87%, 56%)
CMYK	cmyk(75.4%, 87.3%, 0%, 44.3%)
CIE-LAB	lab(18.98, 45.96, -63.47)
CIE-LCH	lch(18.98, 78.36, 305.91°)
OKLab	oklab(32.23% 0.0153 -0.1834)
OKLCH	oklch(32.23% 0.184 274.8)
XYZ	xyz(5.7903, 2.7423, 25.8101)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23128E #7D8E12

analogous

#123F8E #23128E #61128E

triadic

#23128E #8E2312 #128E23

tetradic

#23128E #8E123F #7D8E12 #128E61

square

#23128E #8E123F #7D8E12 #128E61

split-complementary

#23128E #8E6112 #3F8E12

monochromatic

#080421 #160B58 #23128E #3019C4 #4D35E5

Accessibility & contrast

On white

13.56

#23128E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#23128E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23128E

13.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23128E	#FFFFFF	#000000	##FFFFFF
##23128E	1.00	13.56	1.55	13.56
#FFFFFF	13.56	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003391

Deuteranopia (green-blind)

#00288C

Tritanopia (blue-blind)

#003B53

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #23128e;
/* rgb */ color: rgb(35, 18, 142);
/* oklch */ color: oklch(32.2% 0.184 274.8);

Tailwind

colors: {
  custom: {
    50: '#7256b0',
    500: '#23128e',
    950: '#000000',
  },
}

SCSS

$custom: #23128e;
$custom-light: #7256b0;
$custom-dark: #000000;

JSON

{
  "hex": "#23128e",
  "rgb": {
    "r": 35,
    "g": 18,
    "b": 142
  },
  "hsl": {
    "h": 248.226,
    "s": 77.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.32231,
    "c": 0.18407,
    "h": 274.8
  },
  "luminance": 0.02743
}

Semantic roles & 50–950 ramp

primary

#23128E

secondary

#AFC23A

accent

#F434DA

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #23128E

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

Preview Lab → · Contrast checker → · Palette generator →