#2A3491#2A3491

#2A3491 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.0% C 0.152 H 272.2°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#2A3491
RGB	rgb(42, 52, 145)
HSL	hsl(234, 55%, 37%)
HSV	hsv(234, 71%, 57%)
CMYK	cmyk(71%, 64.1%, 0%, 43.1%)
CIE-LAB	lab(26.71, 28.35, -52.57)
CIE-LCH	lch(26.71, 59.73, 298.34°)
OKLab	oklab(37.95% 0.0057 -0.1517)
OKLCH	oklch(37.95% 0.152 272.2)
XYZ	xyz(7.2919, 4.9919, 27.3618)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3491 #91872A

analogous

#2A6891 #2A3491 #542A91

triadic

#2A3491 #912A34 #34912A

tetradic

#2A3491 #912A68 #91872A #2A9154

square

#2A3491 #912A68 #91872A #2A9154

split-complementary

#2A3491 #91542A #68912A

monochromatic

#0F1232 #1C2362 #2A3491 #3845C0 #636ED2

Accessibility & contrast

On white

10.51

#2A3491 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#2A3491 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3491

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3491	#FFFFFF	#000000	##FFFFFF
##2A3491	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004494

Deuteranopia (green-blind)

#003A8F

Tritanopia (blue-blind)

#004C5D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2a3491;
/* rgb */ color: rgb(42, 52, 145);
/* oklch */ color: oklch(38.0% 0.152 272.2);

Tailwind

colors: {
  custom: {
    50: '#726bb2',
    500: '#2a3491',
    950: '#000000',
  },
}

SCSS

$custom: #2a3491;
$custom-light: #726bb2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3491",
  "rgb": {
    "r": 42,
    "g": 52,
    "b": 145
  },
  "hsl": {
    "h": 234.175,
    "s": 55.08,
    "l": 36.667
  },
  "oklch": {
    "l": 0.37953,
    "c": 0.15185,
    "h": 272.2
  },
  "luminance": 0.04993
}

Semantic roles & 50–950 ramp

primary

#2A3491

secondary

#B8AF5F

accent

#D049DE

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2A3491

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

Preview Lab → · Contrast checker → · Palette generator →