#2A37AA#2A37AA

#2A37AA is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.9% C 0.182 H 270.6°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#2A37AA
RGB	rgb(42, 55, 170)
HSL	hsl(234, 60%, 42%)
HSV	hsv(234, 75%, 67%)
CMYK	cmyk(75.3%, 67.6%, 0%, 33.3%)
CIE-LAB	lab(29.73, 35.54, -62.83)
CIE-LCH	lch(29.73, 72.19, 299.50°)
OKLab	oklab(40.86% 0.002 -0.1818)
OKLCH	oklch(40.86% 0.182 270.6)
XYZ	xyz(9.5743, 6.1259, 38.7002)
Luminance	0.0613 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.73

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A37AA #AA9D2A

analogous

#2A77AA #2A37AA #5D2AAA

triadic

#2A37AA #AA2A37 #37AA2A

tetradic

#2A37AA #AA2A77 #AA9D2A #2AAA5D

square

#2A37AA #AA2A77 #AA9D2A #2AAA5D

split-complementary

#2A37AA #AA5D2A #77AA2A

monochromatic

#121748 #1E2779 #2A37AA #4150D0 #727DDC

Accessibility & contrast

On white

9.44

#2A37AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#2A37AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A37AA

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A37AA	#FFFFFF	#000000	##FFFFFF
##2A37AA	1.00	9.44	2.23	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CAE

Deuteranopia (green-blind)

#0040A8

Tritanopia (blue-blind)

#00566C

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2a37aa;
/* rgb */ color: rgb(42, 55, 170);
/* oklch */ color: oklch(40.9% 0.182 270.6);

Tailwind

colors: {
  custom: {
    50: '#786ec4',
    500: '#2a37aa',
    950: '#000000',
  },
}

SCSS

$custom: #2a37aa;
$custom-light: #786ec4;
$custom-dark: #000000;

JSON

{
  "hex": "#2a37aa",
  "rgb": {
    "r": 42,
    "g": 55,
    "b": 170
  },
  "hsl": {
    "h": 233.906,
    "s": 60.377,
    "l": 41.569
  },
  "oklch": {
    "l": 0.40859,
    "c": 0.18177,
    "h": 270.6
  },
  "luminance": 0.06127
}

Semantic roles & 50–950 ramp

primary

#2A37AA

secondary

#C3BB6C

accent

#D344E4

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2A37AA

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

Preview Lab → · Contrast checker → · Palette generator →