#2A37B5#2A37B5

#2A37B5 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.9% C 0.196 H 270.3°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#2A37B5
RGB	rgb(42, 55, 181)
HSL	hsl(234, 62%, 44%)
HSV	hsv(234, 77%, 71%)
CMYK	cmyk(76.8%, 69.6%, 0%, 29%)
CIE-LAB	lab(30.78, 39.47, -67.66)
CIE-LCH	lch(30.78, 78.33, 300.25°)
OKLab	oklab(41.94% 0.0009 -0.1959)
OKLCH	oklch(41.94% 0.196 270.3)
XYZ	xyz(10.6587, 6.5596, 44.4115)
Luminance	0.0656 (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

#2A37B5 #B5A82A

analogous

#2A7CB5 #2A37B5 #622AB5

triadic

#2A37B5 #B52A37 #37B52A

tetradic

#2A37B5 #B52A7C #B5A82A #2AB562

square

#2A37B5 #B52A7C #B5A82A #2AB562

split-complementary

#2A37B5 #B5622A #7CB52A

monochromatic

#131952 #1E2883 #2A37B5 #4855D4 #7983E0

Accessibility & contrast

On white

9.08

#2A37B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#2A37B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A37B5

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A37B5	#FFFFFF	#000000	##FFFFFF
##2A37B5	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB9

Deuteranopia (green-blind)

#0042B3

Tritanopia (blue-blind)

#005A72

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2a37b5;
/* rgb */ color: rgb(42, 55, 181);
/* oklch */ color: oklch(41.9% 0.196 270.3);

Tailwind

colors: {
  custom: {
    50: '#7b6ecc',
    500: '#2a37b5',
    950: '#000000',
  },
}

SCSS

$custom: #2a37b5;
$custom-light: #7b6ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#2a37b5",
  "rgb": {
    "r": 42,
    "g": 55,
    "b": 181
  },
  "hsl": {
    "h": 234.388,
    "s": 62.332,
    "l": 43.725
  },
  "oklch": {
    "l": 0.41944,
    "c": 0.19587,
    "h": 270.3
  },
  "luminance": 0.06561
}

Semantic roles & 50–950 ramp

primary

#2A37B5

secondary

#C8C073

accent

#D642E5

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #2A37B5

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

Preview Lab → · Contrast checker → · Palette generator →