#2B188B#2B188B

#2B188B is a dark, vivid blue. Relative luminance 0.030; OKLCH L 33.1% C 0.174 H 278.6°. Best body text is #FFFFFF at 13.07:1 contrast (WCAG AA passes).

Color values

HEX	#2B188B
RGB	rgb(43, 24, 139)
HSL	hsl(250, 71%, 32%)
HSV	hsv(250, 83%, 55%)
CMYK	cmyk(69.1%, 82.7%, 0%, 45.5%)
CIE-LAB	lab(20.17, 43.00, -59.61)
CIE-LCH	lch(20.17, 73.50, 305.80°)
OKLab	oklab(33.11% 0.0259 -0.1722)
OKLCH	oklch(33.11% 0.174 278.6)
XYZ	xyz(5.9816, 3.0304, 24.6908)
Luminance	0.0303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B188B #788B18

analogous

#183F8B #2B188B #65188B

triadic

#2B188B #8B2B18 #188B2B

tetradic

#2B188B #8B183F #788B18 #188B65

square

#2B188B #8B183F #788B18 #188B65

split-complementary

#2B188B #8B6518 #3F8B18

monochromatic

#0B0623 #1B0F57 #2B188B #3B21BF #5A3FDE

Accessibility & contrast

On white

13.07

#2B188B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#2B188B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B188B

13.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B188B	#FFFFFF	#000000	##FFFFFF
##2B188B	1.00	13.07	1.61	13.07
#FFFFFF	13.07	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358E

Deuteranopia (green-blind)

#002C89

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #2b188b;
/* rgb */ color: rgb(43, 24, 139);
/* oklch */ color: oklch(33.1% 0.174 278.6);

Tailwind

colors: {
  custom: {
    50: '#7459ae',
    500: '#2b188b',
    950: '#000000',
  },
}

SCSS

$custom: #2b188b;
$custom-light: #7459ae;
$custom-dark: #000000;

JSON

{
  "hex": "#2b188b",
  "rgb": {
    "r": 43,
    "g": 24,
    "b": 139
  },
  "hsl": {
    "h": 249.913,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.33105,
    "c": 0.1741,
    "h": 278.6
  },
  "luminance": 0.03031
}

Semantic roles & 50–950 ramp

primary

#2B188B

secondary

#AABE40

accent

#ED3AD0

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#090410

muted

#7B797F

Preview Lab

Preview with #2B188B

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

Preview Lab → · Contrast checker → · Palette generator →