#2B388D#2B388D

#2B388D is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.4% C 0.141 H 271.5°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#2B388D
RGB	rgb(43, 56, 141)
HSL	hsl(232, 53%, 36%)
HSV	hsv(232, 70%, 55%)
CMYK	cmyk(69.5%, 60.3%, 0%, 44.7%)
CIE-LAB	lab(27.47, 24.33, -48.85)
CIE-LCH	lch(27.47, 54.58, 296.48°)
OKLab	oklab(38.43% 0.0037 -0.1408)
OKLCH	oklch(38.43% 0.141 271.5)
XYZ	xyz(7.2165, 5.2643, 25.8299)
Luminance	0.0527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B388D #8D802B

analogous

#2B698D #2B388D #4F2B8D

triadic

#2B388D #8D2B38 #388D2B

tetradic

#2B388D #8D2B69 #8D802B #2B8D4F

square

#2B388D #8D2B69 #8D802B #2B8D4F

split-complementary

#2B388D #8D4F2B #698D2B

monochromatic

#0E132F #1D255E #2B388D #394BBC #6371CF

Accessibility & contrast

On white

10.23

#2B388D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2B388D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B388D

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B388D	#FFFFFF	#000000	##FFFFFF
##2B388D	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004590

Deuteranopia (green-blind)

#003D8B

Tritanopia (blue-blind)

#004D5D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2b388d;
/* rgb */ color: rgb(43, 56, 141);
/* oklch */ color: oklch(38.4% 0.141 271.5);

Tailwind

colors: {
  custom: {
    50: '#716eaf',
    500: '#2b388d',
    950: '#000000',
  },
}

SCSS

$custom: #2b388d;
$custom-light: #716eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b388d",
  "rgb": {
    "r": 43,
    "g": 56,
    "b": 141
  },
  "hsl": {
    "h": 232.041,
    "s": 53.261,
    "l": 36.078
  },
  "oklch": {
    "l": 0.38428,
    "c": 0.14081,
    "h": 271.5
  },
  "luminance": 0.05265
}

Semantic roles & 50–950 ramp

primary

#2B388D

secondary

#B6AA5E

accent

#C94BDD

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2B388D

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

Preview Lab → · Contrast checker → · Palette generator →