#2B188D#2B188D

#2B188D is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.3% C 0.176 H 278.2°. Best body text is #FFFFFF at 12.98:1 contrast (WCAG AA passes).

Color values

HEX	#2B188D
RGB	rgb(43, 24, 141)
HSL	hsl(250, 71%, 32%)
HSV	hsv(250, 83%, 55%)
CMYK	cmyk(69.5%, 83%, 0%, 44.7%)
CIE-LAB	lab(20.40, 43.61, -60.47)
CIE-LCH	lch(20.40, 74.56, 305.80°)
OKLab	oklab(33.34% 0.0253 -0.1747)
OKLCH	oklch(33.34% 0.176 278.2)
XYZ	xyz(6.1291, 3.0894, 25.4675)
Luminance	0.0309 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B188D #7A8D18

analogous

#183F8D #2B188D #66188D

triadic

#2B188D #8D2B18 #188D2B

tetradic

#2B188D #8D183F #7A8D18 #188D66

square

#2B188D #8D183F #7A8D18 #188D66

split-complementary

#2B188D #8D6618 #3F8D18

monochromatic

#0B0624 #1B0F59 #2B188D #3B21C1 #5A41DF

Accessibility & contrast

On white

12.98

#2B188D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#2B188D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B188D

12.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B188D	#FFFFFF	#000000	##FFFFFF
##2B188D	1.00	12.98	1.62	12.98
#FFFFFF	12.98	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003690

Deuteranopia (green-blind)

#002C8B

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #2b188d;
/* rgb */ color: rgb(43, 24, 141);
/* oklch */ color: oklch(33.3% 0.176 278.2);

Tailwind

colors: {
  custom: {
    50: '#7459b0',
    500: '#2b188d',
    950: '#000000',
  },
}

SCSS

$custom: #2b188d;
$custom-light: #7459b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b188d",
  "rgb": {
    "r": 43,
    "g": 24,
    "b": 141
  },
  "hsl": {
    "h": 249.744,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.33335,
    "c": 0.17649,
    "h": 278.2
  },
  "luminance": 0.0309
}

Semantic roles & 50–950 ramp

primary

#2B188D

secondary

#ABBF42

accent

#EE3AD1

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #2B188D

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

Preview Lab → · Contrast checker → · Palette generator →