#2A3C6A#2A3C6A

#2A3C6A is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.5% C 0.083 H 266.3°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#2A3C6A
RGB	rgb(42, 60, 106)
HSL	hsl(223, 43%, 29%)
HSV	hsv(223, 60%, 42%)
CMYK	cmyk(60.4%, 43.4%, 0%, 58.4%)
CIE-LAB	lab(26.05, 8.20, -29.11)
CIE-LCH	lch(26.05, 30.24, 285.74°)
OKLab	oklab(36.53% -0.0054 -0.0827)
OKLCH	oklch(36.53% 0.083 266.3)
XYZ	xyz(5.1713, 4.7642, 14.2799)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3C6A #6A582A

analogous

#2A5C6A #2A3C6A #382A6A

triadic

#2A3C6A #6A2A3C #3C6A2A

tetradic

#2A3C6A #6A2A5C #6A582A #2A6A38

square

#2A3C6A #6A2A5C #6A582A #2A6A38

split-complementary

#2A3C6A #6A382A #5C6A2A

monochromatic

#090C16 #19233E #2A3C6A #3B5596 #5371BB

Accessibility & contrast

On white

10.75

#2A3C6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#2A3C6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3C6A

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3C6A	#FFFFFF	#000000	##FFFFFF
##2A3C6A	1.00	10.75	1.95	10.75
#FFFFFF	10.75	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28416C

Deuteranopia (green-blind)

#203B69

Tritanopia (blue-blind)

#00464D

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2a3c6a;
/* rgb */ color: rgb(42, 60, 106);
/* oklch */ color: oklch(36.5% 0.083 266.3);

Tailwind

colors: {
  custom: {
    50: '#697195',
    500: '#2a3c6a',
    950: '#000000',
  },
}

SCSS

$custom: #2a3c6a;
$custom-light: #697195;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3c6a",
  "rgb": {
    "r": 42,
    "g": 60,
    "b": 106
  },
  "hsl": {
    "h": 223.125,
    "s": 43.243,
    "l": 29.02
  },
  "oklch": {
    "l": 0.36534,
    "c": 0.08287,
    "h": 266.3
  },
  "luminance": 0.04765
}

Semantic roles & 50–950 ramp

primary

#2A3C6A

secondary

#9C8854

accent

#B055D3

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#07070D

muted

#7A7A7E

Preview Lab

Preview with #2A3C6A

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

Preview Lab → · Contrast checker → · Palette generator →