#2231A0#2231A0

#2231A0 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.4% C 0.178 H 269.4°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#2231A0
RGB	rgb(34, 49, 160)
HSL	hsl(233, 65%, 38%)
HSV	hsv(233, 79%, 63%)
CMYK	cmyk(78.8%, 69.4%, 0%, 37.3%)
CIE-LAB	lab(26.94, 34.94, -61.38)
CIE-LCH	lch(26.94, 70.63, 299.65°)
OKLab	oklab(38.44% -0.0019 -0.1777)
OKLCH	oklch(38.44% 0.178 269.4)
XYZ	xyz(8.1010, 5.0739, 33.8033)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2231A0 #A09122

analogous

#2270A0 #2231A0 #5222A0

triadic

#2231A0 #A02231 #31A022

tetradic

#2231A0 #A02270 #A09122 #22A052

square

#2231A0 #A02270 #A09122 #22A052

split-complementary

#2231A0 #A05222 #70A022

monochromatic

#0D123B #17226E #2231A0 #2D41D2 #5F6EDD

Accessibility & contrast

On white

10.42

#2231A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#2231A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2231A0

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2231A0	#FFFFFF	#000000	##FFFFFF
##2231A0	1.00	10.42	2.02	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A3

Deuteranopia (green-blind)

#003A9E

Tritanopia (blue-blind)

#005064

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2231a0;
/* rgb */ color: rgb(34, 49, 160);
/* oklch */ color: oklch(38.4% 0.178 269.4);

Tailwind

colors: {
  custom: {
    50: '#7369bd',
    500: '#2231a0',
    950: '#000000',
  },
}

SCSS

$custom: #2231a0;
$custom-light: #7369bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2231a0",
  "rgb": {
    "r": 34,
    "g": 49,
    "b": 160
  },
  "hsl": {
    "h": 232.857,
    "s": 64.948,
    "l": 38.039
  },
  "oklch": {
    "l": 0.38435,
    "c": 0.17773,
    "h": 269.4
  },
  "luminance": 0.05075
}

Semantic roles & 50–950 ramp

primary

#2231A0

secondary

#C2B65C

accent

#D440E8

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2231A0

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

Preview Lab → · Contrast checker → · Palette generator →