#2A3C8D#2A3C8D

#2A3C8D is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.2% C 0.136 H 269.6°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#2A3C8D
RGB	rgb(42, 60, 141)
HSL	hsl(229, 54%, 36%)
HSV	hsv(229, 70%, 55%)
CMYK	cmyk(70.2%, 57.4%, 0%, 44.7%)
CIE-LAB	lab(28.50, 21.46, -47.19)
CIE-LCH	lch(28.50, 51.84, 294.46°)
OKLab	oklab(39.18% -0.0009 -0.1358)
OKLCH	oklch(39.18% 0.136 269.6)
XYZ	xyz(7.3768, 5.6463, 25.8952)
Luminance	0.0565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3C8D #8D7B2A

analogous

#2A6D8D #2A3C8D #492A8D

triadic

#2A3C8D #8D2A3C #3C8D2A

tetradic

#2A3C8D #8D2A6D #8D7B2A #2A8D49

square

#2A3C8D #8D2A6D #8D7B2A #2A8D49

split-complementary

#2A3C8D #8D492A #6D8D2A

monochromatic

#0E142F #1C285E #2A3C8D #3850BC #6175D0

Accessibility & contrast

On white

9.86

#2A3C8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#2A3C8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3C8D

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3C8D	#FFFFFF	#000000	##FFFFFF
##2A3C8D	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004890

Deuteranopia (green-blind)

#003F8B

Tritanopia (blue-blind)

#00505E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2a3c8d;
/* rgb */ color: rgb(42, 60, 141);
/* oklch */ color: oklch(39.2% 0.136 269.6);

Tailwind

colors: {
  custom: {
    50: '#7171af',
    500: '#2a3c8d',
    950: '#000000',
  },
}

SCSS

$custom: #2a3c8d;
$custom-light: #7171af;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3c8d",
  "rgb": {
    "r": 42,
    "g": 60,
    "b": 141
  },
  "hsl": {
    "h": 229.091,
    "s": 54.098,
    "l": 35.882
  },
  "oklch": {
    "l": 0.39179,
    "c": 0.13583,
    "h": 269.6
  },
  "luminance": 0.05647
}

Semantic roles & 50–950 ramp

primary

#2A3C8D

secondary

#B6A65D

accent

#C34ADD

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2A3C8D

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

Preview Lab → · Contrast checker → · Palette generator →