#2A3C8A#2A3C8A

#2A3C8A is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.9% C 0.131 H 269.5°. Best body text is #FFFFFF at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#2A3C8A
RGB	rgb(42, 60, 138)
HSL	hsl(229, 53%, 35%)
HSV	hsv(229, 70%, 54%)
CMYK	cmyk(69.6%, 56.5%, 0%, 45.9%)
CIE-LAB	lab(28.27, 20.32, -45.71)
CIE-LCH	lch(28.27, 50.02, 293.97°)
OKLab	oklab(38.93% -0.0011 -0.1315)
OKLCH	oklch(38.93% 0.131 269.5)
XYZ	xyz(7.1566, 5.5583, 24.7355)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3C8A #8A782A

analogous

#2A6C8A #2A3C8A #482A8A

triadic

#2A3C8A #8A2A3C #3C8A2A

tetradic

#2A3C8A #8A2A6C #8A782A #2A8A48

square

#2A3C8A #8A2A6C #8A782A #2A8A48

split-complementary

#2A3C8A #8A482A #6C8A2A

monochromatic

#0D132C #1C285B #2A3C8A #3850B9 #6075CF

Accessibility & contrast

On white

9.94

#2A3C8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#2A3C8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3C8A

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3C8A	#FFFFFF	#000000	##FFFFFF
##2A3C8A	1.00	9.94	2.11	9.94
#FFFFFF	9.94	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00478D

Deuteranopia (green-blind)

#003E88

Tritanopia (blue-blind)

#004F5D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2a3c8a;
/* rgb */ color: rgb(42, 60, 138);
/* oklch */ color: oklch(38.9% 0.131 269.5);

Tailwind

colors: {
  custom: {
    50: '#7071ad',
    500: '#2a3c8a',
    950: '#000000',
  },
}

SCSS

$custom: #2a3c8a;
$custom-light: #7071ad;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3c8a",
  "rgb": {
    "r": 42,
    "g": 60,
    "b": 138
  },
  "hsl": {
    "h": 228.75,
    "s": 53.333,
    "l": 35.294
  },
  "oklch": {
    "l": 0.38931,
    "c": 0.13149,
    "h": 269.5
  },
  "luminance": 0.05559
}

Semantic roles & 50–950 ramp

primary

#2A3C8A

secondary

#B4A45B

accent

#C14BDD

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2A3C8A

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

Preview Lab → · Contrast checker → · Palette generator →