#2A37AF#2A37AF

#2A37AF is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.3% C 0.188 H 270.5°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#2A37AF
RGB	rgb(42, 55, 175)
HSL	hsl(234, 61%, 43%)
HSV	hsv(234, 76%, 69%)
CMYK	cmyk(76%, 68.6%, 0%, 31.4%)
CIE-LAB	lab(30.20, 37.34, -65.04)
CIE-LCH	lch(30.20, 75.00, 299.86°)
OKLab	oklab(41.35% 0.0015 -0.1882)
OKLCH	oklch(41.35% 0.188 270.5)
XYZ	xyz(10.0563, 6.3187, 41.2388)
Luminance	0.0632 (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

#2A37AF #AFA22A

analogous

#2A7AAF #2A37AF #5F2AAF

triadic

#2A37AF #AF2A37 #37AF2A

tetradic

#2A37AF #AF2A7A #AFA22A #2AAF5F

square

#2A37AF #AF2A7A #AFA22A #2AAF5F

split-complementary

#2A37AF #AF5F2A #7AAF2A

monochromatic

#12184C #1E277E #2A37AF #4452D2 #7580DE

Accessibility & contrast

On white

9.28

#2A37AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2A37AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A37AF

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A37AF	#FFFFFF	#000000	##FFFFFF
##2A37AF	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB3

Deuteranopia (green-blind)

#0041AD

Tritanopia (blue-blind)

#00586E

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2a37af;
/* rgb */ color: rgb(42, 55, 175);
/* oklch */ color: oklch(41.3% 0.188 270.5);

Tailwind

colors: {
  custom: {
    50: '#796ec8',
    500: '#2a37af',
    950: '#000000',
  },
}

SCSS

$custom: #2a37af;
$custom-light: #796ec8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a37af",
  "rgb": {
    "r": 42,
    "g": 55,
    "b": 175
  },
  "hsl": {
    "h": 234.135,
    "s": 61.29,
    "l": 42.549
  },
  "oklch": {
    "l": 0.41348,
    "c": 0.18824,
    "h": 270.5
  },
  "luminance": 0.0632
}

Semantic roles & 50–950 ramp

primary

#2A37AF

secondary

#C6BD6F

accent

#D543E4

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2A37AF

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

Preview Lab → · Contrast checker → · Palette generator →