#2B3489#2B3489

#2B3489 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.3% C 0.140 H 272.9°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#2B3489
RGB	rgb(43, 52, 137)
HSL	hsl(234, 52%, 35%)
HSV	hsv(234, 69%, 54%)
CMYK	cmyk(68.6%, 62%, 0%, 46.3%)
CIE-LAB	lab(26.08, 25.54, -48.64)
CIE-LCH	lch(26.08, 54.93, 297.70°)
OKLab	oklab(37.29% 0.0071 -0.1402)
OKLCH	oklch(37.29% 0.14 272.9)
XYZ	xyz(6.7381, 4.7751, 24.2287)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3489 #89802B

analogous

#2B6389 #2B3489 #512B89

triadic

#2B3489 #892B34 #34892B

tetradic

#2B3489 #892B63 #89802B #2B8951

square

#2B3489 #892B63 #89802B #2B8951

split-complementary

#2B3489 #89512B #63892B

monochromatic

#0E112C #1C225A #2B3489 #3A46B8 #616BCD

Accessibility & contrast

On white

10.74

#2B3489 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2B3489 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3489

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3489	#FFFFFF	#000000	##FFFFFF
##2B3489	1.00	10.74	1.96	10.74
#FFFFFF	10.74	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428C

Deuteranopia (green-blind)

#003A87

Tritanopia (blue-blind)

#004959

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2b3489;
/* rgb */ color: rgb(43, 52, 137);
/* oklch */ color: oklch(37.3% 0.140 272.9);

Tailwind

colors: {
  custom: {
    50: '#716bac',
    500: '#2b3489',
    950: '#000000',
  },
}

SCSS

$custom: #2b3489;
$custom-light: #716bac;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3489",
  "rgb": {
    "r": 43,
    "g": 52,
    "b": 137
  },
  "hsl": {
    "h": 234.255,
    "s": 52.222,
    "l": 35.294
  },
  "oklch": {
    "l": 0.37293,
    "c": 0.14035,
    "h": 272.9
  },
  "luminance": 0.04776
}

Semantic roles & 50–950 ramp

primary

#2B3489

secondary

#B3AB5C

accent

#CE4CDC

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #2B3489

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

Preview Lab → · Contrast checker → · Palette generator →