#2B3590#2B3590

#2B3590 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.1% C 0.149 H 272.3°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#2B3590
RGB	rgb(43, 53, 144)
HSL	hsl(234, 54%, 37%)
HSV	hsv(234, 70%, 56%)
CMYK	cmyk(70.1%, 63.2%, 0%, 43.5%)
CIE-LAB	lab(26.94, 27.46, -51.58)
CIE-LCH	lch(26.94, 58.43, 298.03°)
OKLab	oklab(38.11% 0.0061 -0.1488)
OKLCH	oklch(38.11% 0.149 272.3)
XYZ	xyz(7.3017, 5.0727, 26.9745)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3590 #90862B

analogous

#2B6890 #2B3590 #542B90

triadic

#2B3590 #902B35 #35902B

tetradic

#2B3590 #902B68 #90862B #2B9054

square

#2B3590 #902B68 #90862B #2B9054

split-complementary

#2B3590 #90542B #68902B

monochromatic

#0F1232 #1D2461 #2B3590 #3946BF #656FD1

Accessibility & contrast

On white

10.42

#2B3590 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#2B3590 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3590

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3590	#FFFFFF	#000000	##FFFFFF
##2B3590	1.00	10.42	2.01	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004493

Deuteranopia (green-blind)

#003B8E

Tritanopia (blue-blind)

#004C5D

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2b3590;
/* rgb */ color: rgb(43, 53, 144);
/* oklch */ color: oklch(38.1% 0.149 272.3);

Tailwind

colors: {
  custom: {
    50: '#726cb1',
    500: '#2b3590',
    950: '#000000',
  },
}

SCSS

$custom: #2b3590;
$custom-light: #726cb1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3590",
  "rgb": {
    "r": 43,
    "g": 53,
    "b": 144
  },
  "hsl": {
    "h": 234.059,
    "s": 54.011,
    "l": 36.667
  },
  "oklch": {
    "l": 0.38111,
    "c": 0.14891,
    "h": 272.3
  },
  "luminance": 0.05073
}

Semantic roles & 50–950 ramp

primary

#2B3590

secondary

#B7AE60

accent

#CF4ADD

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2B3590

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

Preview Lab → · Contrast checker → · Palette generator →