#2B316B#2B316B

#2B316B is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.2% C 0.100 H 275.3°. Best body text is #FFFFFF at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#2B316B
RGB	rgb(43, 49, 107)
HSL	hsl(234, 43%, 29%)
HSV	hsv(234, 60%, 42%)
CMYK	cmyk(59.8%, 54.2%, 0%, 58%)
CIE-LAB	lab(22.90, 16.46, -34.79)
CIE-LCH	lch(22.90, 38.49, 295.32°)
OKLab	oklab(34.17% 0.0093 -0.0995)
OKLCH	oklch(34.17% 0.1 275.3)
XYZ	xyz(4.7476, 3.7714, 14.3848)
Luminance	0.0377 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B316B #6B652B

analogous

#2B516B #2B316B #452B6B

triadic

#2B316B #6B2B31 #316B2B

tetradic

#2B316B #6B2B51 #6B652B #2B6B45

square

#2B316B #6B2B51 #6B652B #2B6B45

split-complementary

#2B316B #6B452B #516B2B

monochromatic

#090A16 #191D3F #2B316B #3D4597 #565FBB

Accessibility & contrast

On white

11.97

#2B316B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#2B316B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B316B

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B316B	#FFFFFF	#000000	##FFFFFF
##2B316B	1.00	11.97	1.75	11.97
#FFFFFF	11.97	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12396D

Deuteranopia (green-blind)

#06346A

Tritanopia (blue-blind)

#063E49

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2b316b;
/* rgb */ color: rgb(43, 49, 107);
/* oklch */ color: oklch(34.2% 0.100 275.3);

Tailwind

colors: {
  custom: {
    50: '#6b6896',
    500: '#2b316b',
    950: '#000000',
  },
}

SCSS

$custom: #2b316b;
$custom-light: #6b6896;
$custom-dark: #000000;

JSON

{
  "hex": "#2b316b",
  "rgb": {
    "r": 43,
    "g": 49,
    "b": 107
  },
  "hsl": {
    "h": 234.375,
    "s": 42.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.34172,
    "c": 0.09992,
    "h": 275.3
  },
  "luminance": 0.03772
}

Semantic roles & 50–950 ramp

primary

#2B316B

secondary

#9D9655

accent

#C755D2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060D

muted

#7A7A7E

Preview Lab

Preview with #2B316B

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

Preview Lab → · Contrast checker → · Palette generator →