#2231A9#2231A9

#2231A9 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.4% C 0.189 H 269.2°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#2231A9
RGB	rgb(34, 49, 169)
HSL	hsl(233, 67%, 40%)
HSV	hsv(233, 80%, 66%)
CMYK	cmyk(79.9%, 71%, 0%, 33.7%)
CIE-LAB	lab(27.85, 38.20, -65.34)
CIE-LCH	lch(27.85, 75.69, 300.31°)
OKLab	oklab(39.36% -0.0028 -0.1893)
OKLCH	oklch(39.36% 0.189 269.2)
XYZ	xyz(8.9170, 5.4003, 38.1008)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2231A9 #A99A22

analogous

#2275A9 #2231A9 #5622A9

triadic

#2231A9 #A92231 #31A922

tetradic

#2231A9 #A92275 #A99A22 #22A956

square

#2231A9 #A92275 #A99A22 #22A956

split-complementary

#2231A9 #A95622 #75A922

monochromatic

#0D1343 #182276 #2231A9 #3245D6 #6573E0

Accessibility & contrast

On white

10.10

#2231A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#2231A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2231A9

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2231A9	#FFFFFF	#000000	##FFFFFF
##2231A9	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AD

Deuteranopia (green-blind)

#003BA7

Tritanopia (blue-blind)

#005369

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2231a9;
/* rgb */ color: rgb(34, 49, 169);
/* oklch */ color: oklch(39.4% 0.189 269.2);

Tailwind

colors: {
  custom: {
    50: '#7669c4',
    500: '#2231a9',
    950: '#000000',
  },
}

SCSS

$custom: #2231a9;
$custom-light: #7669c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2231a9",
  "rgb": {
    "r": 34,
    "g": 49,
    "b": 169
  },
  "hsl": {
    "h": 233.333,
    "s": 66.502,
    "l": 39.804
  },
  "oklch": {
    "l": 0.39359,
    "c": 0.18928,
    "h": 269.2
  },
  "luminance": 0.05401
}

Semantic roles & 50–950 ramp

primary

#2231A9

secondary

#C5BA61

accent

#D63EE9

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #2231A9

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

Preview Lab → · Contrast checker → · Palette generator →