#2A388A#2A388A

#2A388A is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.1% C 0.137 H 271.1°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#2A388A
RGB	rgb(42, 56, 138)
HSL	hsl(231, 53%, 35%)
HSV	hsv(231, 70%, 54%)
CMYK	cmyk(69.6%, 59.4%, 0%, 45.9%)
CIE-LAB	lab(27.17, 23.05, -47.49)
CIE-LCH	lch(27.17, 52.79, 295.89°)
OKLab	oklab(38.11% 0.0025 -0.1368)
OKLCH	oklch(38.11% 0.137 271.1)
XYZ	xyz(6.9549, 5.1549, 24.6683)
Luminance	0.0516 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A388A #8A7C2A

analogous

#2A688A #2A388A #4C2A8A

triadic

#2A388A #8A2A38 #388A2A

tetradic

#2A388A #8A2A68 #8A7C2A #2A8A4C

square

#2A388A #8A2A68 #8A7C2A #2A8A4C

split-complementary

#2A388A #8A4C2A #688A2A

monochromatic

#0D122C #1C255B #2A388A #384BB9 #6070CF

Accessibility & contrast

On white

10.34

#2A388A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#2A388A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A388A

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A388A	#FFFFFF	#000000	##FFFFFF
##2A388A	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458D

Deuteranopia (green-blind)

#003C88

Tritanopia (blue-blind)

#004C5B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2a388a;
/* rgb */ color: rgb(42, 56, 138);
/* oklch */ color: oklch(38.1% 0.137 271.1);

Tailwind

colors: {
  custom: {
    50: '#706ead',
    500: '#2a388a',
    950: '#000000',
  },
}

SCSS

$custom: #2a388a;
$custom-light: #706ead;
$custom-dark: #000000;

JSON

{
  "hex": "#2a388a",
  "rgb": {
    "r": 42,
    "g": 56,
    "b": 138
  },
  "hsl": {
    "h": 231.25,
    "s": 53.333,
    "l": 35.294
  },
  "oklch": {
    "l": 0.3811,
    "c": 0.1368,
    "h": 271.1
  },
  "luminance": 0.05156
}

Semantic roles & 50–950 ramp

primary

#2A388A

secondary

#B4A75B

accent

#C74BDD

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2A388A

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

Preview Lab → · Contrast checker → · Palette generator →