#2B3790#2B3790

#2B3790 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.5% C 0.146 H 271.8°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#2B3790
RGB	rgb(43, 55, 144)
HSL	hsl(233, 54%, 37%)
HSV	hsv(233, 70%, 56%)
CMYK	cmyk(70.1%, 61.8%, 0%, 43.5%)
CIE-LAB	lab(27.46, 26.12, -50.73)
CIE-LCH	lch(27.46, 57.06, 297.25°)
OKLab	oklab(38.5% 0.0045 -0.1463)
OKLCH	oklch(38.5% 0.146 271.8)
XYZ	xyz(7.3948, 5.2589, 27.0055)
Luminance	0.0526 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3790 #90842B

analogous

#2B6A90 #2B3790 #522B90

triadic

#2B3790 #902B37 #37902B

tetradic

#2B3790 #902B6A #90842B #2B9052

square

#2B3790 #902B6A #90842B #2B9052

split-complementary

#2B3790 #90522B #6A902B

monochromatic

#0F1332 #1D2561 #2B3790 #3949BF #6571D1

Accessibility & contrast

On white

10.23

#2B3790 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2B3790 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3790

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3790	#FFFFFF	#000000	##FFFFFF
##2B3790	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004693

Deuteranopia (green-blind)

#003C8E

Tritanopia (blue-blind)

#004D5E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2b3790;
/* rgb */ color: rgb(43, 55, 144);
/* oklch */ color: oklch(38.5% 0.146 271.8);

Tailwind

colors: {
  custom: {
    50: '#726db1',
    500: '#2b3790',
    950: '#000000',
  },
}

SCSS

$custom: #2b3790;
$custom-light: #726db1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3790",
  "rgb": {
    "r": 43,
    "g": 55,
    "b": 144
  },
  "hsl": {
    "h": 232.871,
    "s": 54.011,
    "l": 36.667
  },
  "oklch": {
    "l": 0.38495,
    "c": 0.14635,
    "h": 271.8
  },
  "luminance": 0.0526
}

Semantic roles & 50–950 ramp

primary

#2B3790

secondary

#B7AD60

accent

#CC4ADD

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2B3790

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

Preview Lab → · Contrast checker → · Palette generator →