#2A388D#2A388D

#2A388D is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.4% C 0.141 H 271.0°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#2A388D
RGB	rgb(42, 56, 141)
HSL	hsl(232, 54%, 36%)
HSV	hsv(232, 70%, 55%)
CMYK	cmyk(70.2%, 60.3%, 0%, 44.7%)
CIE-LAB	lab(27.42, 24.18, -48.95)
CIE-LCH	lch(27.42, 54.60, 296.29°)
OKLab	oklab(38.37% 0.0026 -0.1411)
OKLCH	oklch(38.37% 0.141 271)
XYZ	xyz(7.1751, 5.2430, 25.8280)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A388D #8D7F2A

analogous

#2A698D #2A388D #4D2A8D

triadic

#2A388D #8D2A38 #388D2A

tetradic

#2A388D #8D2A69 #8D7F2A #2A8D4D

square

#2A388D #8D2A69 #8D7F2A #2A8D4D

split-complementary

#2A388D #8D4D2A #698D2A

monochromatic

#0E132F #1C255E #2A388D #384BBC #6171D0

Accessibility & contrast

On white

10.25

#2A388D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2A388D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A388D

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A388D	#FFFFFF	#000000	##FFFFFF
##2A388D	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004590

Deuteranopia (green-blind)

#003C8B

Tritanopia (blue-blind)

#004D5D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2a388d;
/* rgb */ color: rgb(42, 56, 141);
/* oklch */ color: oklch(38.4% 0.141 271.0);

Tailwind

colors: {
  custom: {
    50: '#716eaf',
    500: '#2a388d',
    950: '#000000',
  },
}

SCSS

$custom: #2a388d;
$custom-light: #716eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a388d",
  "rgb": {
    "r": 42,
    "g": 56,
    "b": 141
  },
  "hsl": {
    "h": 231.515,
    "s": 54.098,
    "l": 35.882
  },
  "oklch": {
    "l": 0.38368,
    "c": 0.14109,
    "h": 271
  },
  "luminance": 0.05244
}

Semantic roles & 50–950 ramp

primary

#2A388D

secondary

#B6A95D

accent

#C94ADD

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2A388D

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

Preview Lab → · Contrast checker → · Palette generator →