#2B388C#2B388C

#2B388C is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.3% C 0.139 H 271.5°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#2B388C
RGB	rgb(43, 56, 140)
HSL	hsl(232, 53%, 36%)
HSV	hsv(232, 69%, 55%)
CMYK	cmyk(69.3%, 60%, 0%, 45.1%)
CIE-LAB	lab(27.39, 23.96, -48.37)
CIE-LCH	lch(27.39, 53.97, 296.35°)
OKLab	oklab(38.34% 0.0036 -0.1393)
OKLCH	oklch(38.34% 0.139 271.5)
XYZ	xyz(7.1425, 5.2347, 25.4399)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B388C #8C7F2B

analogous

#2B688C #2B388C #4E2B8C

triadic

#2B388C #8C2B38 #388C2B

tetradic

#2B388C #8C2B68 #8C7F2B #2B8C4E

square

#2B388C #8C2B68 #8C7F2B #2B8C4E

split-complementary

#2B388C #8C4E2B #688C2B

monochromatic

#0E132E #1D255D #2B388C #394BBB #6271CF

Accessibility & contrast

On white

10.26

#2B388C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2B388C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B388C

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B388C	#FFFFFF	#000000	##FFFFFF
##2B388C	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458F

Deuteranopia (green-blind)

#003C8A

Tritanopia (blue-blind)

#004D5C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2b388c;
/* rgb */ color: rgb(43, 56, 140);
/* oklch */ color: oklch(38.3% 0.139 271.5);

Tailwind

colors: {
  custom: {
    50: '#716eae',
    500: '#2b388c',
    950: '#000000',
  },
}

SCSS

$custom: #2b388c;
$custom-light: #716eae;
$custom-dark: #000000;

JSON

{
  "hex": "#2b388c",
  "rgb": {
    "r": 43,
    "g": 56,
    "b": 140
  },
  "hsl": {
    "h": 231.959,
    "s": 53.005,
    "l": 35.882
  },
  "oklch": {
    "l": 0.38342,
    "c": 0.13938,
    "h": 271.5
  },
  "luminance": 0.05235
}

Semantic roles & 50–950 ramp

primary

#2B388C

secondary

#B5A95E

accent

#C94BDC

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2B388C

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

Preview Lab → · Contrast checker → · Palette generator →