#2B1E8A#2B1E8A

#2B1E8A is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.7% C 0.167 H 277.9°. Best body text is #FFFFFF at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#2B1E8A
RGB	rgb(43, 30, 138)
HSL	hsl(247, 64%, 33%)
HSV	hsv(247, 78%, 54%)
CMYK	cmyk(68.8%, 78.3%, 0%, 45.9%)
CIE-LAB	lab(21.12, 39.60, -57.40)
CIE-LCH	lch(21.12, 69.74, 304.60°)
OKLab	oklab(33.74% 0.023 -0.1658)
OKLCH	oklch(33.74% 0.167 277.9)
XYZ	xyz(6.0465, 3.2766, 24.3536)
Luminance	0.0328 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1E8A #7D8A1E

analogous

#1E478A #2B1E8A #611E8A

triadic

#2B1E8A #8A2B1E #1E8A2B

tetradic

#2B1E8A #8A1E47 #7D8A1E #1E8A61

square

#2B1E8A #8A1E47 #7D8A1E #1E8A61

split-complementary

#2B1E8A #8A611E #478A1E

monochromatic

#0C0825 #1B1358 #2B1E8A #3B29BC #5C4BD8

Accessibility & contrast

On white

12.69

#2B1E8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#2B1E8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1E8A

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1E8A	#FFFFFF	#000000	##FFFFFF
##2B1E8A	1.00	12.69	1.66	12.69
#FFFFFF	12.69	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378D

Deuteranopia (green-blind)

#002E88

Tritanopia (blue-blind)

#003E53

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #2b1e8a;
/* rgb */ color: rgb(43, 30, 138);
/* oklch */ color: oklch(33.7% 0.167 277.9);

Tailwind

colors: {
  custom: {
    50: '#735cad',
    500: '#2b1e8a',
    950: '#000000',
  },
}

SCSS

$custom: #2b1e8a;
$custom-light: #735cad;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1e8a",
  "rgb": {
    "r": 43,
    "g": 30,
    "b": 138
  },
  "hsl": {
    "h": 247.222,
    "s": 64.286,
    "l": 32.941
  },
  "oklch": {
    "l": 0.33737,
    "c": 0.16742,
    "h": 277.9
  },
  "luminance": 0.03277
}

Semantic roles & 50–950 ramp

primary

#2B1E8A

secondary

#ADBA4A

accent

#E741D3

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #2B1E8A

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

Preview Lab → · Contrast checker → · Palette generator →