#2B3189#2B3189

#2B3189 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.7% C 0.144 H 273.9°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#2B3189
RGB	rgb(43, 49, 137)
HSL	hsl(236, 52%, 35%)
HSV	hsv(236, 69%, 54%)
CMYK	cmyk(68.6%, 64.2%, 0%, 46.3%)
CIE-LAB	lab(25.31, 27.55, -49.90)
CIE-LCH	lch(25.31, 57.00, 298.90°)
OKLab	oklab(36.72% 0.0097 -0.1439)
OKLCH	oklch(36.72% 0.144 273.9)
XYZ	xyz(6.6084, 4.5158, 24.1854)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3189 #89832B

analogous

#2B6089 #2B3189 #542B89

triadic

#2B3189 #892B31 #31892B

tetradic

#2B3189 #892B60 #89832B #2B8954

square

#2B3189 #892B60 #89832B #2B8954

split-complementary

#2B3189 #89542B #60892B

monochromatic

#0E102C #1C205A #2B3189 #3A42B8 #6168CD

Accessibility & contrast

On white

11.03

#2B3189 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2B3189 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3189

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3189	#FFFFFF	#000000	##FFFFFF
##2B3189	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408C

Deuteranopia (green-blind)

#003887

Tritanopia (blue-blind)

#004758

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2b3189;
/* rgb */ color: rgb(43, 49, 137);
/* oklch */ color: oklch(36.7% 0.144 273.9);

Tailwind

colors: {
  custom: {
    50: '#7169ac',
    500: '#2b3189',
    950: '#000000',
  },
}

SCSS

$custom: #2b3189;
$custom-light: #7169ac;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3189",
  "rgb": {
    "r": 43,
    "g": 49,
    "b": 137
  },
  "hsl": {
    "h": 236.17,
    "s": 52.222,
    "l": 35.294
  },
  "oklch": {
    "l": 0.36721,
    "c": 0.14424,
    "h": 273.9
  },
  "luminance": 0.04516
}

Semantic roles & 50–950 ramp

primary

#2B3189

secondary

#B3AE5C

accent

#D24CDC

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #2B3189

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

Preview Lab → · Contrast checker → · Palette generator →