#2A23C1#2A23C1

#2A23C1 is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.5% C 0.229 H 271.5°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#2A23C1
RGB	rgb(42, 35, 193)
HSL	hsl(243, 69%, 45%)
HSV	hsv(243, 82%, 76%)
CMYK	cmyk(78.2%, 81.9%, 0%, 24.3%)
CIE-LAB	lab(28.23, 54.33, -78.99)
CIE-LCH	lch(28.23, 95.86, 304.52°)
OKLab	oklab(40.52% 0.0062 -0.2286)
OKLCH	oklch(40.52% 0.229 271.5)
XYZ	xyz(11.1783, 5.5433, 50.9226)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A23C1 #BAC123

analogous

#236BC1 #2A23C1 #7923C1

triadic

#2A23C1 #C12A23 #23C12A

tetradic

#2A23C1 #C1236B #BAC123 #23C179

square

#2A23C1 #C1236B #BAC123 #23C179

split-complementary

#2A23C1 #C17923 #6BC123

monochromatic

#131059 #1F1A8D #2A23C1 #4B44DD #7D78E6

Accessibility & contrast

On white

9.96

#2A23C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#2A23C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A23C1

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A23C1	#FFFFFF	#000000	##FFFFFF
##2A23C1	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AC5

Deuteranopia (green-blind)

#003BBE

Tritanopia (blue-blind)

#005674

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2a23c1;
/* rgb */ color: rgb(42, 35, 193);
/* oklch */ color: oklch(40.5% 0.229 271.5);

Tailwind

colors: {
  custom: {
    50: '#7f63d5',
    500: '#2a23c1',
    950: '#000000',
  },
}

SCSS

$custom: #2a23c1;
$custom-light: #7f63d5;
$custom-dark: #000000;

JSON

{
  "hex": "#2a23c1",
  "rgb": {
    "r": 42,
    "g": 35,
    "b": 193
  },
  "hsl": {
    "h": 242.658,
    "s": 69.298,
    "l": 44.706
  },
  "oklch": {
    "l": 0.40517,
    "c": 0.22866,
    "h": 271.5
  },
  "luminance": 0.05545
}

Semantic roles & 50–950 ramp

primary

#2A23C1

secondary

#CACE72

accent

#EC3CE4

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0514

muted

#7D7A83

Preview Lab

Preview with #2A23C1

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

Preview Lab → · Contrast checker → · Palette generator →