#2B1E8E#2B1E8E

#2B1E8E is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.2% C 0.172 H 277.3°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#2B1E8E
RGB	rgb(43, 30, 142)
HSL	hsl(247, 65%, 34%)
HSV	hsv(247, 79%, 56%)
CMYK	cmyk(69.7%, 78.9%, 0%, 44.3%)
CIE-LAB	lab(21.56, 40.90, -59.17)
CIE-LCH	lch(21.56, 71.93, 304.65°)
OKLab	oklab(34.18% 0.022 -0.171)
OKLCH	oklch(34.18% 0.172 277.3)
XYZ	xyz(6.3414, 3.3946, 25.9070)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1E8E #818E1E

analogous

#1E498E #2B1E8E #631E8E

triadic

#2B1E8E #8E2B1E #1E8E2B

tetradic

#2B1E8E #8E1E49 #818E1E #1E8E63

square

#2B1E8E #8E1E49 #818E1E #1E8E63

split-complementary

#2B1E8E #8E631E #498E1E

monochromatic

#0C0929 #1C135B #2B1E8E #3A29C1 #5D4DD9

Accessibility & contrast

On white

12.51

#2B1E8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#2B1E8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1E8E

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1E8E	#FFFFFF	#000000	##FFFFFF
##2B1E8E	1.00	12.51	1.68	12.51
#FFFFFF	12.51	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003891

Deuteranopia (green-blind)

#002F8C

Tritanopia (blue-blind)

#003F55

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2b1e8e;
/* rgb */ color: rgb(43, 30, 142);
/* oklch */ color: oklch(34.2% 0.172 277.3);

Tailwind

colors: {
  custom: {
    50: '#745db0',
    500: '#2b1e8e',
    950: '#000000',
  },
}

SCSS

$custom: #2b1e8e;
$custom-light: #745db0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1e8e",
  "rgb": {
    "r": 43,
    "g": 30,
    "b": 142
  },
  "hsl": {
    "h": 246.964,
    "s": 65.116,
    "l": 33.725
  },
  "oklch": {
    "l": 0.34176,
    "c": 0.17239,
    "h": 277.3
  },
  "luminance": 0.03395
}

Semantic roles & 50–950 ramp

primary

#2B1E8E

secondary

#AFBC4C

accent

#E840D5

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #2B1E8E

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

Preview Lab → · Contrast checker → · Palette generator →