#2231A5#2231A5

#2231A5 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.9% C 0.184 H 269.3°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#2231A5
RGB	rgb(34, 49, 165)
HSL	hsl(233, 66%, 39%)
HSV	hsv(233, 79%, 65%)
CMYK	cmyk(79.4%, 70.3%, 0%, 35.3%)
CIE-LAB	lab(27.44, 36.76, -63.59)
CIE-LCH	lch(27.44, 73.45, 300.03°)
OKLab	oklab(38.95% -0.0024 -0.1842)
OKLCH	oklch(38.95% 0.184 269.3)
XYZ	xyz(8.5472, 5.2523, 36.1534)
Luminance	0.0525 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2231A5 #A59622

analogous

#2273A5 #2231A5 #5522A5

triadic

#2231A5 #A52231 #31A522

tetradic

#2231A5 #A52273 #A59622 #22A555

square

#2231A5 #A52273 #A59622 #22A555

split-complementary

#2231A5 #A55522 #73A522

monochromatic

#0D1340 #182272 #2231A5 #3043D4 #6371DF

Accessibility & contrast

On white

10.24

#2231A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2231A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2231A5

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2231A5	#FFFFFF	#000000	##FFFFFF
##2231A5	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A9

Deuteranopia (green-blind)

#003AA3

Tritanopia (blue-blind)

#005167

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2231a5;
/* rgb */ color: rgb(34, 49, 165);
/* oklch */ color: oklch(38.9% 0.184 269.3);

Tailwind

colors: {
  custom: {
    50: '#7469c1',
    500: '#2231a5',
    950: '#000000',
  },
}

SCSS

$custom: #2231a5;
$custom-light: #7469c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2231a5",
  "rgb": {
    "r": 34,
    "g": 49,
    "b": 165
  },
  "hsl": {
    "h": 233.13,
    "s": 65.829,
    "l": 39.02
  },
  "oklch": {
    "l": 0.38945,
    "c": 0.18419,
    "h": 269.3
  },
  "luminance": 0.05253
}

Semantic roles & 50–950 ramp

primary

#2231A5

secondary

#C4B85F

accent

#D53FE9

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2231A5

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

Preview Lab → · Contrast checker → · Palette generator →