#2A1BA0#2A1BA0

#2A1BA0 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.8% C 0.197 H 274.9°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#2A1BA0
RGB	rgb(42, 27, 160)
HSL	hsl(247, 71%, 37%)
HSV	hsv(247, 83%, 63%)
CMYK	cmyk(73.8%, 83.1%, 0%, 37.3%)
CIE-LAB	lab(23.04, 47.96, -67.81)
CIE-LCH	lch(23.04, 83.05, 305.27°)
OKLab	oklab(35.8% 0.017 -0.196)
OKLCH	oklch(35.8% 0.197 274.9)
XYZ	xyz(7.6898, 3.8134, 33.5817)
Luminance	0.0381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1BA0 #91A01B

analogous

#1B4FA0 #2A1BA0 #6D1BA0

triadic

#2A1BA0 #A02A1B #1BA02A

tetradic

#2A1BA0 #A01B4F #91A01B #1BA06D

square

#2A1BA0 #A01B4F #91A01B #1BA06D

split-complementary

#2A1BA0 #A06D1B #4FA01B

monochromatic

#0F0937 #1C126C #2A1BA0 #3824D4 #6353E2

Accessibility & contrast

On white

11.91

#2A1BA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#2A1BA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1BA0

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1BA0	#FFFFFF	#000000	##FFFFFF
##2A1BA0	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA4

Deuteranopia (green-blind)

#00319E

Tritanopia (blue-blind)

#00455F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2a1ba0;
/* rgb */ color: rgb(42, 27, 160);
/* oklch */ color: oklch(35.8% 0.197 274.9);

Tailwind

colors: {
  custom: {
    50: '#785cbd',
    500: '#2a1ba0',
    950: '#000000',
  },
}

SCSS

$custom: #2a1ba0;
$custom-light: #785cbd;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1ba0",
  "rgb": {
    "r": 42,
    "g": 27,
    "b": 160
  },
  "hsl": {
    "h": 246.767,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.35797,
    "c": 0.19678,
    "h": 274.9
  },
  "luminance": 0.03814
}

Semantic roles & 50–950 ramp

primary

#2A1BA0

secondary

#B8C552

accent

#EE3ADA

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2A1BA0

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

Preview Lab → · Contrast checker → · Palette generator →