#23189E#23189E

#23189E is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.8% C 0.199 H 272.6°. Best body text is #FFFFFF at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#23189E
RGB	rgb(35, 24, 158)
HSL	hsl(245, 74%, 36%)
HSV	hsv(245, 85%, 62%)
CMYK	cmyk(77.8%, 84.8%, 0%, 38%)
CIE-LAB	lab(21.87, 48.24, -68.56)
CIE-LCH	lch(21.87, 83.83, 305.13°)
OKLab	oklab(34.79% 0.0091 -0.1983)
OKLCH	oklch(34.79% 0.199 272.6)
XYZ	xyz(7.1893, 3.4784, 32.6336)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23189E #939E18

analogous

#18509E #23189E #66189E

triadic

#23189E #9E2318 #189E23

tetradic

#23189E #9E1850 #939E18 #189E66

square

#23189E #9E1850 #939E18 #189E66

split-complementary

#23189E #9E6618 #509E18

monochromatic

#0B0834 #171069 #23189E #2F20D3 #594DE4

Accessibility & contrast

On white

12.38

#23189E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#23189E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23189E

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23189E	#FFFFFF	#000000	##FFFFFF
##23189E	1.00	12.38	1.70	12.38
#FFFFFF	12.38	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003BA2

Deuteranopia (green-blind)

#002E9C

Tritanopia (blue-blind)

#00445D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #23189e;
/* rgb */ color: rgb(35, 24, 158);
/* oklch */ color: oklch(34.8% 0.199 272.6);

Tailwind

colors: {
  custom: {
    50: '#755abc',
    500: '#23189e',
    950: '#000000',
  },
}

SCSS

$custom: #23189e;
$custom-light: #755abc;
$custom-dark: #000000;

JSON

{
  "hex": "#23189e",
  "rgb": {
    "r": 35,
    "g": 24,
    "b": 158
  },
  "hsl": {
    "h": 244.925,
    "s": 73.626,
    "l": 35.686
  },
  "oklch": {
    "l": 0.34789,
    "c": 0.19851,
    "h": 272.6
  },
  "luminance": 0.03479
}

Semantic roles & 50–950 ramp

primary

#23189E

secondary

#BCC64C

accent

#F038E1

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #23189E

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

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