#2B1C77#2B1C77

#2B1C77 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.4% C 0.145 H 281.6°. Best body text is #FFFFFF at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#2B1C77
RGB	rgb(43, 28, 119)
HSL	hsl(250, 62%, 29%)
HSV	hsv(250, 76%, 47%)
CMYK	cmyk(63.9%, 76.5%, 0%, 53.3%)
CIE-LAB	lab(18.70, 34.50, -49.37)
CIE-LCH	lch(18.70, 60.22, 304.95°)
OKLab	oklab(31.42% 0.0291 -0.1424)
OKLCH	oklch(31.42% 0.145 281.6)
XYZ	xyz(4.7402, 2.6757, 17.7158)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1C77 #68771C

analogous

#1C3B77 #2B1C77 #591C77

triadic

#2B1C77 #772B1C #1C772B

tetradic

#2B1C77 #771C3B #68771C #1C7759

square

#2B1C77 #771C3B #68771C #1C7759

split-complementary

#2B1C77 #77591C #3B771C

monochromatic

#090619 #191045 #2B1C77 #3D28A9 #553CD1

Accessibility & contrast

On white

13.68

#2B1C77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#2B1C77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1C77

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1C77	#FFFFFF	#000000	##FFFFFF
##2B1C77	1.00	13.68	1.54	13.68
#FFFFFF	13.68	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317A

Deuteranopia (green-blind)

#002A75

Tritanopia (blue-blind)

#003548

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #2b1c77;
/* rgb */ color: rgb(43, 28, 119);
/* oklch */ color: oklch(31.4% 0.145 281.6);

Tailwind

colors: {
  custom: {
    50: '#6f5a9f',
    500: '#2b1c77',
    950: '#000000',
  },
}

SCSS

$custom: #2b1c77;
$custom-light: #6f5a9f;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1c77",
  "rgb": {
    "r": 43,
    "g": 28,
    "b": 119
  },
  "hsl": {
    "h": 249.89,
    "s": 61.905,
    "l": 28.824
  },
  "oklch": {
    "l": 0.3142,
    "c": 0.14531,
    "h": 281.6
  },
  "luminance": 0.02676
}

Semantic roles & 50–950 ramp

primary

#2B1C77

secondary

#9AAB44

accent

#E543CA

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040F

muted

#7B797E

Preview Lab

Preview with #2B1C77

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

Preview Lab → · Contrast checker → · Palette generator →