#2A39B1#2A39B1

#2A39B1 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.9% C 0.189 H 270.1°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#2A39B1
RGB	rgb(42, 57, 177)
HSL	hsl(233, 62%, 43%)
HSV	hsv(233, 76%, 69%)
CMYK	cmyk(76.3%, 67.8%, 0%, 30.6%)
CIE-LAB	lab(30.86, 36.80, -65.16)
CIE-LCH	lch(30.86, 74.83, 299.45°)
OKLab	oklab(41.88% 0.0002 -0.1886)
OKLCH	oklch(41.88% 0.189 270.1)
XYZ	xyz(10.3511, 6.5917, 42.3132)
Luminance	0.0659 (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

#2A39B1 #B1A22A

analogous

#2A7DB1 #2A39B1 #5E2AB1

triadic

#2A39B1 #B12A39 #39B12A

tetradic

#2A39B1 #B12A7D #B1A22A #2AB15E

square

#2A39B1 #B12A7D #B1A22A #2AB15E

split-complementary

#2A39B1 #B15E2A #7DB12A

monochromatic

#13194E #1E2980 #2A39B1 #4555D3 #7782DF

Accessibility & contrast

On white

9.06

#2A39B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#2A39B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A39B1

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A39B1	#FFFFFF	#000000	##FFFFFF
##2A39B1	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB5

Deuteranopia (green-blind)

#0042AF

Tritanopia (blue-blind)

#005A70

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2a39b1;
/* rgb */ color: rgb(42, 57, 177);
/* oklch */ color: oklch(41.9% 0.189 270.1);

Tailwind

colors: {
  custom: {
    50: '#796fc9',
    500: '#2a39b1',
    950: '#000000',
  },
}

SCSS

$custom: #2a39b1;
$custom-light: #796fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a39b1",
  "rgb": {
    "r": 42,
    "g": 57,
    "b": 177
  },
  "hsl": {
    "h": 233.333,
    "s": 61.644,
    "l": 42.941
  },
  "oklch": {
    "l": 0.41883,
    "c": 0.18856,
    "h": 270.1
  },
  "luminance": 0.06593
}

Semantic roles & 50–950 ramp

primary

#2A39B1

secondary

#C6BD70

accent

#D343E5

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2A39B1

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

Preview Lab → · Contrast checker → · Palette generator →