#2B1E90#2B1E90

#2B1E90 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.4% C 0.175 H 277.1°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#2B1E90
RGB	rgb(43, 30, 144)
HSL	hsl(247, 66%, 34%)
HSV	hsv(247, 79%, 56%)
CMYK	cmyk(70.1%, 79.2%, 0%, 43.5%)
CIE-LAB	lab(21.78, 41.54, -60.05)
CIE-LCH	lch(21.78, 73.02, 304.68°)
OKLab	oklab(34.4% 0.0215 -0.1735)
OKLCH	oklch(34.4% 0.175 277.1)
XYZ	xyz(6.4929, 3.4552, 26.7049)
Luminance	0.0346 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1E90 #83901E

analogous

#1E4A90 #2B1E90 #641E90

triadic

#2B1E90 #902B1E #1E902B

tetradic

#2B1E90 #901E4A #83901E #1E9064

square

#2B1E90 #901E4A #83901E #1E9064

split-complementary

#2B1E90 #90641E #4A901E

monochromatic

#0D092B #1C135D #2B1E90 #3A29C3 #5E4EDA

Accessibility & contrast

On white

12.42

#2B1E90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#2B1E90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1E90

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1E90	#FFFFFF	#000000	##FFFFFF
##2B1E90	1.00	12.42	1.69	12.42
#FFFFFF	12.42	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003993

Deuteranopia (green-blind)

#002F8E

Tritanopia (blue-blind)

#004056

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2b1e90;
/* rgb */ color: rgb(43, 30, 144);
/* oklch */ color: oklch(34.4% 0.175 277.1);

Tailwind

colors: {
  custom: {
    50: '#745db2',
    500: '#2b1e90',
    950: '#000000',
  },
}

SCSS

$custom: #2b1e90;
$custom-light: #745db2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1e90",
  "rgb": {
    "r": 43,
    "g": 30,
    "b": 144
  },
  "hsl": {
    "h": 246.842,
    "s": 65.517,
    "l": 34.118
  },
  "oklch": {
    "l": 0.34398,
    "c": 0.17486,
    "h": 277.1
  },
  "luminance": 0.03456
}

Semantic roles & 50–950 ramp

primary

#2B1E90

secondary

#B0BD4D

accent

#E83FD5

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #2B1E90

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

Preview Lab → · Contrast checker → · Palette generator →