#2A2591#2A2591

#2A2591 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.4% C 0.169 H 275.4°. Best body text is #FFFFFF at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#2A2591
RGB	rgb(42, 37, 145)
HSL	hsl(243, 59%, 36%)
HSV	hsv(243, 74%, 57%)
CMYK	cmyk(71%, 74.5%, 0%, 43.1%)
CIE-LAB	lab(23.20, 37.84, -58.33)
CIE-LCH	lch(23.20, 69.53, 302.97°)
OKLab	oklab(35.41% 0.016 -0.1686)
OKLCH	oklch(35.41% 0.169 275.4)
XYZ	xyz(6.7256, 3.8591, 27.1730)
Luminance	0.0386 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A2591 #8C9125

analogous

#255691 #2A2591 #602591

triadic

#2A2591 #912A25 #25912A

tetradic

#2A2591 #912556 #8C9125 #259160

square

#2A2591 #912556 #8C9125 #259160

split-complementary

#2A2591 #916025 #569125

monochromatic

#0E0C2F #1C1960 #2A2591 #3831C2 #615BD5

Accessibility & contrast

On white

11.85

#2A2591 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#2A2591 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A2591

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A2591	#FFFFFF	#000000	##FFFFFF
##2A2591	1.00	11.85	1.77	11.85
#FFFFFF	11.85	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C94

Deuteranopia (green-blind)

#00328F

Tritanopia (blue-blind)

#004459

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2a2591;
/* rgb */ color: rgb(42, 37, 145);
/* oklch */ color: oklch(35.4% 0.169 275.4);

Tailwind

colors: {
  custom: {
    50: '#7361b2',
    500: '#2a2591',
    950: '#000000',
  },
}

SCSS

$custom: #2a2591;
$custom-light: #7361b2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a2591",
  "rgb": {
    "r": 42,
    "g": 37,
    "b": 145
  },
  "hsl": {
    "h": 242.778,
    "s": 59.341,
    "l": 35.686
  },
  "oklch": {
    "l": 0.35412,
    "c": 0.16938,
    "h": 275.4
  },
  "luminance": 0.0386
}

Semantic roles & 50–950 ramp

primary

#2A2591

secondary

#B5BA58

accent

#E345DB

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #2A2591

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

Preview Lab → · Contrast checker → · Palette generator →