#2A23BE#2A23BE

#2A23BE is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 40.2% C 0.225 H 271.7°. Best body text is #FFFFFF at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#2A23BE
RGB	rgb(42, 35, 190)
HSL	hsl(243, 69%, 44%)
HSV	hsv(243, 82%, 75%)
CMYK	cmyk(77.9%, 81.6%, 0%, 25.5%)
CIE-LAB	lab(27.87, 53.41, -77.80)
CIE-LCH	lch(27.87, 94.37, 304.47°)
OKLab	oklab(40.17% 0.0069 -0.2252)
OKLCH	oklch(40.17% 0.225 271.7)
XYZ	xyz(10.8470, 5.4108, 49.1779)
Luminance	0.0541 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A23BE #B7BE23

analogous

#2369BE #2A23BE #7823BE

triadic

#2A23BE #BE2A23 #23BE2A

tetradic

#2A23BE #BE2369 #B7BE23 #23BE78

square

#2A23BE #BE2369 #B7BE23 #23BE78

split-complementary

#2A23BE #BE7823 #69BE23

monochromatic

#131057 #1F198A #2A23BE #4942DC #7B76E6

Accessibility & contrast

On white

10.08

#2A23BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#2A23BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A23BE

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A23BE	#FFFFFF	#000000	##FFFFFF
##2A23BE	1.00	10.08	2.08	10.08
#FFFFFF	10.08	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049C2

Deuteranopia (green-blind)

#003ABB

Tritanopia (blue-blind)

#005572

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2a23be;
/* rgb */ color: rgb(42, 35, 190);
/* oklch */ color: oklch(40.2% 0.225 271.7);

Tailwind

colors: {
  custom: {
    50: '#7e63d3',
    500: '#2a23be',
    950: '#000000',
  },
}

SCSS

$custom: #2a23be;
$custom-light: #7e63d3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a23be",
  "rgb": {
    "r": 42,
    "g": 35,
    "b": 190
  },
  "hsl": {
    "h": 242.71,
    "s": 68.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.40169,
    "c": 0.22526,
    "h": 271.7
  },
  "luminance": 0.05412
}

Semantic roles & 50–950 ramp

primary

#2A23BE

secondary

#C9CD70

accent

#EC3CE4

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0514

muted

#7D7A83

Preview Lab

Preview with #2A23BE

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

Preview Lab → · Contrast checker → · Palette generator →