#2A3891#2A3891

#2A3891 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.7% C 0.147 H 271.0°. Best body text is #FFFFFF at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#2A3891
RGB	rgb(42, 56, 145)
HSL	hsl(232, 55%, 37%)
HSV	hsv(232, 71%, 57%)
CMYK	cmyk(71%, 61.4%, 0%, 43.1%)
CIE-LAB	lab(27.75, 25.68, -50.88)
CIE-LCH	lch(27.75, 56.99, 296.78°)
OKLab	oklab(38.72% 0.0026 -0.1467)
OKLCH	oklch(38.72% 0.147 271)
XYZ	xyz(7.4781, 5.3642, 27.4239)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3891 #91832A

analogous

#2A6C91 #2A3891 #502A91

triadic

#2A3891 #912A38 #38912A

tetradic

#2A3891 #912A6C #91832A #2A9150

square

#2A3891 #912A6C #91832A #2A9150

split-complementary

#2A3891 #91502A #6C912A

monochromatic

#0F1332 #1C2662 #2A3891 #384AC0 #6372D2

Accessibility & contrast

On white

10.13

#2A3891 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2A3891 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3891

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3891	#FFFFFF	#000000	##FFFFFF
##2A3891	1.00	10.13	2.07	10.13
#FFFFFF	10.13	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004694

Deuteranopia (green-blind)

#003D8F

Tritanopia (blue-blind)

#004E5F

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2a3891;
/* rgb */ color: rgb(42, 56, 145);
/* oklch */ color: oklch(38.7% 0.147 271.0);

Tailwind

colors: {
  custom: {
    50: '#726eb2',
    500: '#2a3891',
    950: '#000000',
  },
}

SCSS

$custom: #2a3891;
$custom-light: #726eb2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3891",
  "rgb": {
    "r": 42,
    "g": 56,
    "b": 145
  },
  "hsl": {
    "h": 231.845,
    "s": 55.08,
    "l": 36.667
  },
  "oklch": {
    "l": 0.38719,
    "c": 0.14675,
    "h": 271
  },
  "luminance": 0.05365
}

Semantic roles & 50–950 ramp

primary

#2A3891

secondary

#B8AC5F

accent

#CA49DE

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2A3891

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

Preview Lab → · Contrast checker → · Palette generator →