#2A3C9C#2A3C9C

#2A3C9C is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.5% C 0.157 H 269.8°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#2A3C9C
RGB	rgb(42, 60, 156)
HSL	hsl(231, 58%, 39%)
HSV	hsv(231, 73%, 61%)
CMYK	cmyk(73.1%, 61.5%, 0%, 38.8%)
CIE-LAB	lab(29.72, 27.13, -54.39)
CIE-LCH	lch(29.72, 60.77, 296.51°)
OKLab	oklab(40.47% -0.0007 -0.157)
OKLCH	oklch(40.47% 0.157 269.8)
XYZ	xyz(8.5694, 6.1234, 32.1764)
Luminance	0.0612 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3C9C #9C8A2A

analogous

#2A759C #2A3C9C #512A9C

triadic

#2A3C9C #9C2A3C #3C9C2A

tetradic

#2A3C9C #9C2A75 #9C8A2A #2A9C51

square

#2A3C9C #9C2A75 #9C8A2A #2A9C51

split-complementary

#2A3C9C #9C512A #759C2A

monochromatic

#10173C #1D296C #2A3C9C #3950CA #6A7BD7

Accessibility & contrast

On white

9.44

#2A3C9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#2A3C9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3C9C

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3C9C	#FFFFFF	#000000	##FFFFFF
##2A3C9C	1.00	9.44	2.22	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9F

Deuteranopia (green-blind)

#00419A

Tritanopia (blue-blind)

#005466

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2a3c9c;
/* rgb */ color: rgb(42, 60, 156);
/* oklch */ color: oklch(40.5% 0.157 269.8);

Tailwind

colors: {
  custom: {
    50: '#7471ba',
    500: '#2a3c9c',
    950: '#000000',
  },
}

SCSS

$custom: #2a3c9c;
$custom-light: #7471ba;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3c9c",
  "rgb": {
    "r": 42,
    "g": 60,
    "b": 156
  },
  "hsl": {
    "h": 230.526,
    "s": 57.576,
    "l": 38.824
  },
  "oklch": {
    "l": 0.4047,
    "c": 0.15699,
    "h": 269.8
  },
  "luminance": 0.06124
}

Semantic roles & 50–950 ramp

primary

#2A3C9C

secondary

#BDAF65

accent

#C947E1

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #2A3C9C

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

Preview Lab → · Contrast checker → · Palette generator →