#2B388F#2B388F

#2B388F is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.6% C 0.144 H 271.5°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#2B388F
RGB	rgb(43, 56, 143)
HSL	hsl(232, 54%, 36%)
HSV	hsv(232, 70%, 56%)
CMYK	cmyk(69.9%, 60.8%, 0%, 43.9%)
CIE-LAB	lab(27.64, 25.08, -49.82)
CIE-LCH	lch(27.64, 55.78, 296.72°)
OKLab	oklab(38.6% 0.0037 -0.1436)
OKLCH	oklch(38.6% 0.144 271.5)
XYZ	xyz(7.3667, 5.3244, 26.6208)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B388F #8F822B

analogous

#2B6A8F #2B388F #502B8F

triadic

#2B388F #8F2B38 #388F2B

tetradic

#2B388F #8F2B6A #8F822B #2B8F50

square

#2B388F #8F2B6A #8F822B #2B8F50

split-complementary

#2B388F #8F502B #6A8F2B

monochromatic

#0F1331 #1D2660 #2B388F #394ABE #6472D0

Accessibility & contrast

On white

10.17

#2B388F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2B388F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B388F

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B388F	#FFFFFF	#000000	##FFFFFF
##2B388F	1.00	10.17	2.07	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004692

Deuteranopia (green-blind)

#003D8D

Tritanopia (blue-blind)

#004E5E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2b388f;
/* rgb */ color: rgb(43, 56, 143);
/* oklch */ color: oklch(38.6% 0.144 271.5);

Tailwind

colors: {
  custom: {
    50: '#726eb1',
    500: '#2b388f',
    950: '#000000',
  },
}

SCSS

$custom: #2b388f;
$custom-light: #726eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b388f",
  "rgb": {
    "r": 43,
    "g": 56,
    "b": 143
  },
  "hsl": {
    "h": 232.2,
    "s": 53.763,
    "l": 36.471
  },
  "oklch": {
    "l": 0.38602,
    "c": 0.14365,
    "h": 271.5
  },
  "luminance": 0.05325
}

Semantic roles & 50–950 ramp

primary

#2B388F

secondary

#B7AB5F

accent

#CA4BDD

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2B388F

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

Preview Lab → · Contrast checker → · Palette generator →