#2A23A2#2A23A2

#2A23A2 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 37.0% C 0.192 H 274.0°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#2A23A2
RGB	rgb(42, 35, 162)
HSL	hsl(243, 64%, 39%)
HSV	hsv(243, 78%, 64%)
CMYK	cmyk(74.1%, 78.4%, 0%, 36.5%)
CIE-LAB	lab(24.65, 44.61, -66.37)
CIE-LCH	lch(24.65, 79.97, 303.90°)
OKLab	oklab(36.98% 0.0134 -0.192)
OKLCH	oklch(36.98% 0.192 274)
XYZ	xyz(8.0753, 4.3021, 34.5802)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A23A2 #9BA223

analogous

#235BA2 #2A23A2 #6923A2

triadic

#2A23A2 #A22A23 #23A22A

tetradic

#2A23A2 #A2235B #9BA223 #23A269

square

#2A23A2 #A2235B #9BA223 #23A269

split-complementary

#2A23A2 #A26923 #5BA223

monochromatic

#100D3D #1D1870 #2A23A2 #3930D2 #6962DD

Accessibility & contrast

On white

11.29

#2A23A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#2A23A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A23A2

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A23A2	#FFFFFF	#000000	##FFFFFF
##2A23A2	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A6

Deuteranopia (green-blind)

#0034A0

Tritanopia (blue-blind)

#004962

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2a23a2;
/* rgb */ color: rgb(42, 35, 162);
/* oklch */ color: oklch(37.0% 0.192 274.0);

Tailwind

colors: {
  custom: {
    50: '#7861bf',
    500: '#2a23a2',
    950: '#000000',
  },
}

SCSS

$custom: #2a23a2;
$custom-light: #7861bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a23a2",
  "rgb": {
    "r": 42,
    "g": 35,
    "b": 162
  },
  "hsl": {
    "h": 243.307,
    "s": 64.467,
    "l": 38.627
  },
  "oklch": {
    "l": 0.36979,
    "c": 0.19248,
    "h": 274
  },
  "luminance": 0.04303
}

Semantic roles & 50–950 ramp

primary

#2A23A2

secondary

#BDC25E

accent

#E740DE

background

#F8F5FB

surface

#EFEAF7

border

#CAC6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #2A23A2

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

Preview Lab → · Contrast checker → · Palette generator →