#2A339E#2A339E

#2A339E is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.0% C 0.171 H 271.8°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#2A339E
RGB	rgb(42, 51, 158)
HSL	hsl(235, 58%, 39%)
HSV	hsv(235, 73%, 62%)
CMYK	cmyk(73.4%, 67.7%, 0%, 38%)
CIE-LAB	lab(27.65, 33.76, -58.99)
CIE-LCH	lch(27.65, 67.97, 299.78°)
OKLab	oklab(39% 0.0055 -0.1706)
OKLCH	oklch(39% 0.171 271.8)
XYZ	xyz(8.3081, 5.3277, 32.9316)
Luminance	0.0533 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A339E #9E952A

analogous

#2A6D9E #2A339E #5B2A9E

triadic

#2A339E #9E2A33 #339E2A

tetradic

#2A339E #9E2A6D #9E952A #2A9E5B

square

#2A339E #9E2A6D #9E952A #2A9E5B

split-complementary

#2A339E #9E5B2A #6D9E2A

monochromatic

#10143D #1D236E #2A339E #3A46CB #6B73D8

Accessibility & contrast

On white

10.17

#2A339E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2A339E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A339E

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A339E	#FFFFFF	#000000	##FFFFFF
##2A339E	1.00	10.17	2.07	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A1

Deuteranopia (green-blind)

#003C9C

Tritanopia (blue-blind)

#005064

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2a339e;
/* rgb */ color: rgb(42, 51, 158);
/* oklch */ color: oklch(39.0% 0.171 271.8);

Tailwind

colors: {
  custom: {
    50: '#756bbc',
    500: '#2a339e',
    950: '#000000',
  },
}

SCSS

$custom: #2a339e;
$custom-light: #756bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#2a339e",
  "rgb": {
    "r": 42,
    "g": 51,
    "b": 158
  },
  "hsl": {
    "h": 235.345,
    "s": 58,
    "l": 39.216
  },
  "oklch": {
    "l": 0.39003,
    "c": 0.17065,
    "h": 271.8
  },
  "luminance": 0.05329
}

Semantic roles & 50–950 ramp

primary

#2A339E

secondary

#BEB766

accent

#D547E1

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2A339E

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

Preview Lab → · Contrast checker → · Palette generator →