#2B1A90#2B1A90

#2B1A90 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.9% C 0.178 H 277.6°. Best body text is #FFFFFF at 12.70:1 contrast (WCAG AA passes).

Color values

HEX	#2B1A90
RGB	rgb(43, 26, 144)
HSL	hsl(249, 69%, 33%)
HSV	hsv(249, 82%, 56%)
CMYK	cmyk(70.1%, 81.9%, 0%, 43.5%)
CIE-LAB	lab(21.08, 43.58, -61.22)
CIE-LCH	lch(21.08, 75.14, 305.45°)
OKLab	oklab(33.91% 0.0235 -0.1769)
OKLCH	oklch(33.91% 0.178 277.6)
XYZ	xyz(6.3981, 3.2654, 26.6733)
Luminance	0.0327 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1A90 #7F901A

analogous

#1A4490 #2B1A90 #661A90

triadic

#2B1A90 #902B1A #1A902B

tetradic

#2B1A90 #901A44 #7F901A #1A9066

square

#2B1A90 #901A44 #7F901A #1A9066

split-complementary

#2B1A90 #90661A #44901A

monochromatic

#0C0728 #1C115C #2B1A90 #3A23C4 #5C47DE

Accessibility & contrast

On white

12.70

#2B1A90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#2B1A90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1A90

12.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1A90	#FFFFFF	#000000	##FFFFFF
##2B1A90	1.00	12.70	1.65	12.70
#FFFFFF	12.70	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003793

Deuteranopia (green-blind)

#002E8E

Tritanopia (blue-blind)

#003E56

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #2b1a90;
/* rgb */ color: rgb(43, 26, 144);
/* oklch */ color: oklch(33.9% 0.178 277.6);

Tailwind

colors: {
  custom: {
    50: '#755bb2',
    500: '#2b1a90',
    950: '#000000',
  },
}

SCSS

$custom: #2b1a90;
$custom-light: #755bb2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1a90",
  "rgb": {
    "r": 43,
    "g": 26,
    "b": 144
  },
  "hsl": {
    "h": 248.644,
    "s": 69.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.33907,
    "c": 0.17842,
    "h": 277.6
  },
  "luminance": 0.03266
}

Semantic roles & 50–950 ramp

primary

#2B1A90

secondary

#AEBF47

accent

#EC3CD3

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #2B1A90

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

Preview Lab → · Contrast checker → · Palette generator →