#2A23AF#2A23AF

#2A23AF is a dark, highly saturated blue. Relative luminance 0.048; OKLCH L 38.4% C 0.208 H 272.9°. Best body text is #FFFFFF at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#2A23AF
RGB	rgb(42, 35, 175)
HSL	hsl(243, 67%, 41%)
HSV	hsv(243, 80%, 69%)
CMYK	cmyk(76%, 80%, 0%, 31.4%)
CIE-LAB	lab(26.12, 48.76, -71.78)
CIE-LCH	lch(26.12, 86.77, 304.19°)
OKLab	oklab(38.44% 0.0104 -0.2077)
OKLCH	oklch(38.44% 0.208 272.9)
XYZ	xyz(9.2912, 4.7885, 40.9837)
Luminance	0.0479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A23AF #A8AF23

analogous

#2362AF #2A23AF #7023AF

triadic

#2A23AF #AF2A23 #23AF2A

tetradic

#2A23AF #AF2362 #A8AF23 #23AF70

square

#2A23AF #AF2362 #A8AF23 #23AF70

split-complementary

#2A23AF #AF7023 #62AF23

monochromatic

#120F49 #1E197C #2A23AF #4038D7 #716BE1

Accessibility & contrast

On white

10.73

#2A23AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2A23AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A23AF

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A23AF	#FFFFFF	#000000	##FFFFFF
##2A23AF	1.00	10.73	1.96	10.73
#FFFFFF	10.73	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B3

Deuteranopia (green-blind)

#0037AD

Tritanopia (blue-blind)

#004E69

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2a23af;
/* rgb */ color: rgb(42, 35, 175);
/* oklch */ color: oklch(38.4% 0.208 272.9);

Tailwind

colors: {
  custom: {
    50: '#7b61c8',
    500: '#2a23af',
    950: '#000000',
  },
}

SCSS

$custom: #2a23af;
$custom-light: #7b61c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a23af",
  "rgb": {
    "r": 42,
    "g": 35,
    "b": 175
  },
  "hsl": {
    "h": 243,
    "s": 66.667,
    "l": 41.176
  },
  "oklch": {
    "l": 0.38444,
    "c": 0.20795,
    "h": 272.9
  },
  "luminance": 0.04789
}

Semantic roles & 50–950 ramp

primary

#2A23AF

secondary

#C3C766

accent

#EA3EE1

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2A23AF

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

Preview Lab → · Contrast checker → · Palette generator →