#2A2588#2A2588

#2A2588 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.5% C 0.158 H 276.4°. Best body text is #FFFFFF at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#2A2588
RGB	rgb(42, 37, 136)
HSL	hsl(243, 57%, 34%)
HSV	hsv(243, 73%, 53%)
CMYK	cmyk(69.1%, 72.8%, 0%, 46.7%)
CIE-LAB	lab(22.28, 34.76, -54.25)
CIE-LCH	lch(22.28, 64.43, 302.65°)
OKLab	oklab(34.47% 0.0177 -0.1567)
OKLCH	oklch(34.47% 0.158 276.4)
XYZ	xyz(6.0589, 3.5924, 23.6619)
Luminance	0.0359 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A2588 #838825

analogous

#255288 #2A2588 #5C2588

triadic

#2A2588 #882A25 #25882A

tetradic

#2A2588 #882552 #838825 #25885C

square

#2A2588 #882552 #838825 #25885C

split-complementary

#2A2588 #885C25 #528825

monochromatic

#0C0B28 #1B1858 #2A2588 #3932B8 #5D56D1

Accessibility & contrast

On white

12.22

#2A2588 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#2A2588 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A2588

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A2588	#FFFFFF	#000000	##FFFFFF
##2A2588	1.00	12.22	1.72	12.22
#FFFFFF	12.22	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8B

Deuteranopia (green-blind)

#003186

Tritanopia (blue-blind)

#004054

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #2a2588;
/* rgb */ color: rgb(42, 37, 136);
/* oklch */ color: oklch(34.5% 0.158 276.4);

Tailwind

colors: {
  custom: {
    50: '#7161ac',
    500: '#2a2588',
    950: '#000000',
  },
}

SCSS

$custom: #2a2588;
$custom-light: #7161ac;
$custom-dark: #000000;

JSON

{
  "hex": "#2a2588",
  "rgb": {
    "r": 42,
    "g": 37,
    "b": 136
  },
  "hsl": {
    "h": 243.03,
    "s": 57.225,
    "l": 33.922
  },
  "oklch": {
    "l": 0.34473,
    "c": 0.1577,
    "h": 276.4
  },
  "luminance": 0.03593
}

Semantic roles & 50–950 ramp

primary

#2A2588

secondary

#B1B653

accent

#E047D9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #2A2588

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

Preview Lab → · Contrast checker → · Palette generator →