#2B189F#2B189F

#2B189F is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.4% C 0.198 H 275.7°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#2B189F
RGB	rgb(43, 24, 159)
HSL	hsl(248, 74%, 36%)
HSV	hsv(248, 85%, 62%)
CMYK	cmyk(73%, 84.9%, 0%, 37.6%)
CIE-LAB	lab(22.55, 49.06, -68.02)
CIE-LCH	lch(22.55, 83.87, 305.80°)
OKLab	oklab(35.44% 0.0197 -0.1966)
OKLCH	oklch(35.44% 0.198 275.7)
XYZ	xyz(7.5789, 3.6693, 33.1030)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B189F #8C9F18

analogous

#18499F #2B189F #6E189F

triadic

#2B189F #9F2B18 #189F2B

tetradic

#2B189F #9F1849 #8C9F18 #189F6E

square

#2B189F #9F1849 #8C9F18 #189F6E

split-complementary

#2B189F #9F6E18 #499F18

monochromatic

#0E0835 #1D106A #2B189F #3920D4 #624DE4

Accessibility & contrast

On white

12.11

#2B189F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#2B189F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B189F

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B189F	#FFFFFF	#000000	##FFFFFF
##2B189F	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003BA3

Deuteranopia (green-blind)

#00309D

Tritanopia (blue-blind)

#00445E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #2b189f;
/* rgb */ color: rgb(43, 24, 159);
/* oklch */ color: oklch(35.4% 0.198 275.7);

Tailwind

colors: {
  custom: {
    50: '#785bbd',
    500: '#2b189f',
    950: '#000000',
  },
}

SCSS

$custom: #2b189f;
$custom-light: #785bbd;
$custom-dark: #000000;

JSON

{
  "hex": "#2b189f",
  "rgb": {
    "r": 43,
    "g": 24,
    "b": 159
  },
  "hsl": {
    "h": 248.444,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.35438,
    "c": 0.19758,
    "h": 275.7
  },
  "luminance": 0.0367
}

Semantic roles & 50–950 ramp

primary

#2B189F

secondary

#B5C64D

accent

#F037D6

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #2B189F

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

Preview Lab → · Contrast checker → · Palette generator →