#2A39AA#2A39AA

#2A39AA is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.2% C 0.179 H 270.2°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#2A39AA
RGB	rgb(42, 57, 170)
HSL	hsl(233, 60%, 42%)
HSV	hsv(233, 75%, 67%)
CMYK	cmyk(75.3%, 66.5%, 0%, 33.3%)
CIE-LAB	lab(30.21, 34.27, -62.05)
CIE-LCH	lch(30.21, 70.88, 298.91°)
OKLab	oklab(41.21% 0.0008 -0.1795)
OKLCH	oklch(41.21% 0.179 270.2)
XYZ	xyz(9.6712, 6.3197, 38.7326)
Luminance	0.0632 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.77

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A39AA #AA9B2A

analogous

#2A79AA #2A39AA #5B2AAA

triadic

#2A39AA #AA2A39 #39AA2A

tetradic

#2A39AA #AA2A79 #AA9B2A #2AAA5B

square

#2A39AA #AA2A79 #AA9B2A #2AAA5B

split-complementary

#2A39AA #AA5B2A #79AA2A

monochromatic

#121848 #1E2979 #2A39AA #4152D0 #727FDC

Accessibility & contrast

On white

9.27

#2A39AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2A39AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A39AA

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A39AA	#FFFFFF	#000000	##FFFFFF
##2A39AA	1.00	9.27	2.26	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAE

Deuteranopia (green-blind)

#0041A8

Tritanopia (blue-blind)

#00576C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2a39aa;
/* rgb */ color: rgb(42, 57, 170);
/* oklch */ color: oklch(41.2% 0.179 270.2);

Tailwind

colors: {
  custom: {
    50: '#786fc4',
    500: '#2a39aa',
    950: '#000000',
  },
}

SCSS

$custom: #2a39aa;
$custom-light: #786fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#2a39aa",
  "rgb": {
    "r": 42,
    "g": 57,
    "b": 170
  },
  "hsl": {
    "h": 232.969,
    "s": 60.377,
    "l": 41.569
  },
  "oklch": {
    "l": 0.41207,
    "c": 0.17946,
    "h": 270.2
  },
  "luminance": 0.06321
}

Semantic roles & 50–950 ramp

primary

#2A39AA

secondary

#C3B96C

accent

#D144E4

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2A39AA

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

Preview Lab → · Contrast checker → · Palette generator →