#2A39B3#2A39B3

#2A39B3 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.1% C 0.191 H 270.0°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#2A39B3
RGB	rgb(42, 57, 179)
HSL	hsl(233, 62%, 43%)
HSV	hsv(233, 77%, 70%)
CMYK	cmyk(76.5%, 68.2%, 0%, 29.8%)
CIE-LAB	lab(31.05, 37.51, -66.04)
CIE-LCH	lch(31.05, 75.95, 299.60°)
OKLab	oklab(42.08% 0.0001 -0.1911)
OKLCH	oklch(42.08% 0.191 270)
XYZ	xyz(10.5519, 6.6720, 43.3708)
Luminance	0.0667 (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

#2A39B3 #B3A42A

analogous

#2A7DB3 #2A39B3 #602AB3

triadic

#2A39B3 #B32A39 #39B32A

tetradic

#2A39B3 #B32A7D #B3A42A #2AB360

square

#2A39B3 #B32A7D #B3A42A #2AB360

split-complementary

#2A39B3 #B3602A #7DB32A

monochromatic

#131950 #1E2981 #2A39B3 #4656D4 #7883DF

Accessibility & contrast

On white

9.00

#2A39B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#2A39B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A39B3

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A39B3	#FFFFFF	#000000	##FFFFFF
##2A39B3	1.00	9.00	2.33	9.00
#FFFFFF	9.00	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B7

Deuteranopia (green-blind)

#0043B1

Tritanopia (blue-blind)

#005A71

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2a39b3;
/* rgb */ color: rgb(42, 57, 179);
/* oklch */ color: oklch(42.1% 0.191 270.0);

Tailwind

colors: {
  custom: {
    50: '#7a70cb',
    500: '#2a39b3',
    950: '#000000',
  },
}

SCSS

$custom: #2a39b3;
$custom-light: #7a70cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2a39b3",
  "rgb": {
    "r": 42,
    "g": 57,
    "b": 179
  },
  "hsl": {
    "h": 233.431,
    "s": 61.991,
    "l": 43.333
  },
  "oklch": {
    "l": 0.42078,
    "c": 0.19113,
    "h": 270
  },
  "luminance": 0.06673
}

Semantic roles & 50–950 ramp

primary

#2A39B3

secondary

#C7BE72

accent

#D343E5

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2A39B3

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

Preview Lab → · Contrast checker → · Palette generator →