#2A23BD#2A23BD

#2A23BD is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 40.1% C 0.224 H 271.8°. Best body text is #FFFFFF at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#2A23BD
RGB	rgb(42, 35, 189)
HSL	hsl(243, 69%, 44%)
HSV	hsv(243, 81%, 74%)
CMYK	cmyk(77.8%, 81.5%, 0%, 25.9%)
CIE-LAB	lab(27.76, 53.11, -77.41)
CIE-LCH	lch(27.76, 93.88, 304.45°)
OKLab	oklab(40.05% 0.0071 -0.224)
OKLCH	oklch(40.05% 0.224 271.8)
XYZ	xyz(10.7381, 5.3672, 48.6043)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A23BD #B6BD23

analogous

#2369BD #2A23BD #7723BD

triadic

#2A23BD #BD2A23 #23BD2A

tetradic

#2A23BD #BD2369 #B6BD23 #23BD77

square

#2A23BD #BD2369 #B6BD23 #23BD77

split-complementary

#2A23BD #BD7723 #69BD23

monochromatic

#131056 #1F1989 #2A23BD #4841DC #7A75E5

Accessibility & contrast

On white

10.13

#2A23BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2A23BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A23BD

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A23BD	#FFFFFF	#000000	##FFFFFF
##2A23BD	1.00	10.13	2.07	10.13
#FFFFFF	10.13	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049C1

Deuteranopia (green-blind)

#003ABA

Tritanopia (blue-blind)

#005471

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2a23bd;
/* rgb */ color: rgb(42, 35, 189);
/* oklch */ color: oklch(40.1% 0.224 271.8);

Tailwind

colors: {
  custom: {
    50: '#7e62d2',
    500: '#2a23bd',
    950: '#000000',
  },
}

SCSS

$custom: #2a23bd;
$custom-light: #7e62d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a23bd",
  "rgb": {
    "r": 42,
    "g": 35,
    "b": 189
  },
  "hsl": {
    "h": 242.727,
    "s": 68.75,
    "l": 43.922
  },
  "oklch": {
    "l": 0.40053,
    "c": 0.22412,
    "h": 271.8
  },
  "luminance": 0.05368
}

Semantic roles & 50–950 ramp

primary

#2A23BD

secondary

#C8CD6F

accent

#EC3CE4

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0514

muted

#7D7A83

Preview Lab

Preview with #2A23BD

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

Preview Lab → · Contrast checker → · Palette generator →