#2A37AD#2A37AD

#2A37AD is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.2% C 0.186 H 270.5°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#2A37AD
RGB	rgb(42, 55, 173)
HSL	hsl(234, 61%, 42%)
HSV	hsv(234, 76%, 68%)
CMYK	cmyk(75.7%, 68.2%, 0%, 32.2%)
CIE-LAB	lab(30.01, 36.62, -64.16)
CIE-LCH	lch(30.01, 73.88, 299.72°)
OKLab	oklab(41.15% 0.0017 -0.1856)
OKLCH	oklch(41.15% 0.186 270.5)
XYZ	xyz(9.8613, 6.2407, 40.2119)
Luminance	0.0624 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A37AD #ADA02A

analogous

#2A78AD #2A37AD #5F2AAD

triadic

#2A37AD #AD2A37 #37AD2A

tetradic

#2A37AD #AD2A78 #ADA02A #2AAD5F

square

#2A37AD #AD2A78 #ADA02A #2AAD5F

split-complementary

#2A37AD #AD5F2A #78AD2A

monochromatic

#12184B #1E277C #2A37AD #4351D1 #747FDD

Accessibility & contrast

On white

9.34

#2A37AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#2A37AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A37AD

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A37AD	#FFFFFF	#000000	##FFFFFF
##2A37AD	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB1

Deuteranopia (green-blind)

#0040AB

Tritanopia (blue-blind)

#00576D

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2a37ad;
/* rgb */ color: rgb(42, 55, 173);
/* oklch */ color: oklch(41.2% 0.186 270.5);

Tailwind

colors: {
  custom: {
    50: '#796ec7',
    500: '#2a37ad',
    950: '#000000',
  },
}

SCSS

$custom: #2a37ad;
$custom-light: #796ec7;
$custom-dark: #000000;

JSON

{
  "hex": "#2a37ad",
  "rgb": {
    "r": 42,
    "g": 55,
    "b": 173
  },
  "hsl": {
    "h": 234.046,
    "s": 60.93,
    "l": 42.157
  },
  "oklch": {
    "l": 0.41152,
    "c": 0.18566,
    "h": 270.5
  },
  "luminance": 0.06242
}

Semantic roles & 50–950 ramp

primary

#2A37AD

secondary

#C5BC6E

accent

#D444E4

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2A37AD

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

Preview Lab → · Contrast checker → · Palette generator →