#2B316A#2B316A

#2B316A is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.1% C 0.098 H 275.4°. Best body text is #FFFFFF at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#2B316A
RGB	rgb(43, 49, 106)
HSL	hsl(234, 42%, 29%)
HSV	hsv(234, 59%, 42%)
CMYK	cmyk(59.4%, 53.8%, 0%, 58.4%)
CIE-LAB	lab(22.83, 16.10, -34.26)
CIE-LCH	lch(22.83, 37.85, 295.16°)
OKLab	oklab(34.1% 0.0092 -0.0979)
OKLCH	oklch(34.1% 0.098 275.4)
XYZ	xyz(4.6953, 3.7505, 14.1094)
Luminance	0.0375 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B316A #6A642B

analogous

#2B516A #2B316A #452B6A

triadic

#2B316A #6A2B31 #316A2B

tetradic

#2B316A #6A2B51 #6A642B #2B6A45

square

#2B316A #6A2B51 #6A642B #2B6A45

split-complementary

#2B316A #6A452B #516A2B

monochromatic

#090A16 #191D3E #2B316A #3D4596 #555FBA

Accessibility & contrast

On white

12.00

#2B316A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#2B316A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B316A

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B316A	#FFFFFF	#000000	##FFFFFF
##2B316A	1.00	12.00	1.75	12.00
#FFFFFF	12.00	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13396C

Deuteranopia (green-blind)

#083469

Tritanopia (blue-blind)

#073E48

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #2b316a;
/* rgb */ color: rgb(43, 49, 106);
/* oklch */ color: oklch(34.1% 0.098 275.4);

Tailwind

colors: {
  custom: {
    50: '#6a6895',
    500: '#2b316a',
    950: '#000000',
  },
}

SCSS

$custom: #2b316a;
$custom-light: #6a6895;
$custom-dark: #000000;

JSON

{
  "hex": "#2b316a",
  "rgb": {
    "r": 43,
    "g": 49,
    "b": 106
  },
  "hsl": {
    "h": 234.286,
    "s": 42.282,
    "l": 29.216
  },
  "oklch": {
    "l": 0.34095,
    "c": 0.09836,
    "h": 275.4
  },
  "luminance": 0.03751
}

Semantic roles & 50–950 ramp

primary

#2B316A

secondary

#9C9555

accent

#C656D2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060D

muted

#7A7A7E

Preview Lab

Preview with #2B316A

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

Preview Lab → · Contrast checker → · Palette generator →