#2A23AC#2A23AC

#2A23AC is a dark, highly saturated blue. Relative luminance 0.047; OKLCH L 38.1% C 0.204 H 273.1°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#2A23AC
RGB	rgb(42, 35, 172)
HSL	hsl(243, 66%, 41%)
HSV	hsv(243, 80%, 67%)
CMYK	cmyk(75.6%, 79.7%, 0%, 32.5%)
CIE-LAB	lab(25.78, 47.81, -70.55)
CIE-LCH	lch(25.78, 85.22, 304.13°)
OKLab	oklab(38.1% 0.0111 -0.2041)
OKLCH	oklch(38.1% 0.204 273.1)
XYZ	xyz(8.9998, 4.6719, 39.4492)
Luminance	0.0467 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A23AC #A5AC23

analogous

#2360AC #2A23AC #6F23AC

triadic

#2A23AC #AC2A23 #23AC2A

tetradic

#2A23AC #AC2360 #A5AC23 #23AC6F

square

#2A23AC #AC2360 #A5AC23 #23AC6F

split-complementary

#2A23AC #AC6F23 #60AC23

monochromatic

#110E46 #1E1979 #2A23AC #3E36D6 #6F69E0

Accessibility & contrast

On white

10.85

#2A23AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2A23AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A23AC

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A23AC	#FFFFFF	#000000	##FFFFFF
##2A23AC	1.00	10.85	1.93	10.85
#FFFFFF	10.85	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B0

Deuteranopia (green-blind)

#0036AA

Tritanopia (blue-blind)

#004D68

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2a23ac;
/* rgb */ color: rgb(42, 35, 172);
/* oklch */ color: oklch(38.1% 0.204 273.1);

Tailwind

colors: {
  custom: {
    50: '#7a61c6',
    500: '#2a23ac',
    950: '#000000',
  },
}

SCSS

$custom: #2a23ac;
$custom-light: #7a61c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2a23ac",
  "rgb": {
    "r": 42,
    "g": 35,
    "b": 172
  },
  "hsl": {
    "h": 243.066,
    "s": 66.184,
    "l": 40.588
  },
  "oklch": {
    "l": 0.38104,
    "c": 0.20442,
    "h": 273.1
  },
  "luminance": 0.04673
}

Semantic roles & 50–950 ramp

primary

#2A23AC

secondary

#C1C664

accent

#E93FE0

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2A23AC

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

Preview Lab → · Contrast checker → · Palette generator →