#2A3481#2A3481

#2A3481 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.5% C 0.129 H 272.7°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#2A3481
RGB	rgb(42, 52, 129)
HSL	hsl(233, 51%, 34%)
HSV	hsv(233, 67%, 51%)
CMYK	cmyk(67.4%, 59.7%, 0%, 49.4%)
CIE-LAB	lab(25.36, 22.39, -44.82)
CIE-LCH	lch(25.36, 50.10, 296.55°)
OKLab	oklab(36.53% 0.006 -0.129)
OKLCH	oklch(36.53% 0.129 272.7)
XYZ	xyz(6.1440, 4.5327, 21.3157)
Luminance	0.0453 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3481 #81772A

analogous

#2A5F81 #2A3481 #4B2A81

triadic

#2A3481 #812A34 #34812A

tetradic

#2A3481 #812A5F #81772A #2A814B

square

#2A3481 #812A5F #81772A #2A814B

split-complementary

#2A3481 #814B2A #5F812A

monochromatic

#0C0F25 #1B2153 #2A3481 #3947AF #5C68CA

Accessibility & contrast

On white

11.01

#2A3481 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#2A3481 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3481

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3481	#FFFFFF	#000000	##FFFFFF
##2A3481	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004084

Deuteranopia (green-blind)

#00387F

Tritanopia (blue-blind)

#004755

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2a3481;
/* rgb */ color: rgb(42, 52, 129);
/* oklch */ color: oklch(36.5% 0.129 272.7);

Tailwind

colors: {
  custom: {
    50: '#6e6ba6',
    500: '#2a3481',
    950: '#000000',
  },
}

SCSS

$custom: #2a3481;
$custom-light: #6e6ba6;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3481",
  "rgb": {
    "r": 42,
    "g": 52,
    "b": 129
  },
  "hsl": {
    "h": 233.103,
    "s": 50.877,
    "l": 33.529
  },
  "oklch": {
    "l": 0.36531,
    "c": 0.12912,
    "h": 272.7
  },
  "luminance": 0.04533
}

Semantic roles & 50–950 ramp

primary

#2A3481

secondary

#AFA557

accent

#CA4DDA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2A3481

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

Preview Lab → · Contrast checker → · Palette generator →