#23128F#23128F

#23128F is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.4% C 0.185 H 274.6°. Best body text is #FFFFFF at 13.51:1 contrast (WCAG AA passes).

Color values

HEX	#23128F
RGB	rgb(35, 18, 143)
HSL	hsl(248, 78%, 32%)
HSV	hsv(248, 87%, 56%)
CMYK	cmyk(75.5%, 87.4%, 0%, 43.9%)
CIE-LAB	lab(19.11, 46.26, -63.88)
CIE-LCH	lch(19.11, 78.87, 305.91°)
OKLab	oklab(32.36% 0.015 -0.1846)
OKLCH	oklch(32.36% 0.185 274.6)
XYZ	xyz(5.8657, 2.7725, 26.2073)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23128F #7E8F12

analogous

#12408F #23128F #62128F

triadic

#23128F #8F2312 #128F23

tetradic

#23128F #8F1240 #7E8F12 #128F62

square

#23128F #8F1240 #7E8F12 #128F62

split-complementary

#23128F #8F6212 #408F12

monochromatic

#080422 #160B59 #23128F #3019C5 #4E36E6

Accessibility & contrast

On white

13.51

#23128F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#23128F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23128F

13.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23128F	#FFFFFF	#000000	##FFFFFF
##23128F	1.00	13.51	1.55	13.51
#FFFFFF	13.51	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003492

Deuteranopia (green-blind)

#00298D

Tritanopia (blue-blind)

#003C54

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #23128f;
/* rgb */ color: rgb(35, 18, 143);
/* oklch */ color: oklch(32.4% 0.185 274.6);

Tailwind

colors: {
  custom: {
    50: '#7256b1',
    500: '#23128f',
    950: '#000000',
  },
}

SCSS

$custom: #23128f;
$custom-light: #7256b1;
$custom-dark: #000000;

JSON

{
  "hex": "#23128f",
  "rgb": {
    "r": 35,
    "g": 18,
    "b": 143
  },
  "hsl": {
    "h": 248.16,
    "s": 77.64,
    "l": 31.569
  },
  "oklch": {
    "l": 0.32355,
    "c": 0.18524,
    "h": 274.6
  },
  "luminance": 0.02773
}

Semantic roles & 50–950 ramp

primary

#23128F

secondary

#B0C33A

accent

#F434DA

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #23128F

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

Preview Lab → · Contrast checker → · Palette generator →