#2A1F8E#2A1F8E

#2A1F8E is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.2% C 0.172 H 276.7°. Best body text is #FFFFFF at 12.46:1 contrast (WCAG AA passes).

Color values

HEX	#2A1F8E
RGB	rgb(42, 31, 142)
HSL	hsl(246, 64%, 34%)
HSV	hsv(246, 78%, 56%)
CMYK	cmyk(70.4%, 78.2%, 0%, 44.3%)
CIE-LAB	lab(21.67, 40.25, -58.99)
CIE-LCH	lch(21.67, 71.42, 304.31°)
OKLab	oklab(34.23% 0.02 -0.1705)
OKLCH	oklch(34.23% 0.172 276.7)
XYZ	xyz(6.3257, 3.4246, 25.9136)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1F8E #838E1F

analogous

#1F4C8E #2A1F8E #621F8E

triadic

#2A1F8E #8E2A1F #1F8E2A

tetradic

#2A1F8E #8E1F4C #838E1F #1F8E62

square

#2A1F8E #8E1F4C #838E1F #1F8E62

split-complementary

#2A1F8E #8E621F #4C8E1F

monochromatic

#0C092A #1B145C #2A1F8E #392AC0 #5D4FD9

Accessibility & contrast

On white

12.46

#2A1F8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#2A1F8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1F8E

12.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1F8E	#FFFFFF	#000000	##FFFFFF
##2A1F8E	1.00	12.46	1.69	12.46
#FFFFFF	12.46	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003991

Deuteranopia (green-blind)

#002F8C

Tritanopia (blue-blind)

#004055

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2a1f8e;
/* rgb */ color: rgb(42, 31, 142);
/* oklch */ color: oklch(34.2% 0.172 276.7);

Tailwind

colors: {
  custom: {
    50: '#735db0',
    500: '#2a1f8e',
    950: '#000000',
  },
}

SCSS

$custom: #2a1f8e;
$custom-light: #735db0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1f8e",
  "rgb": {
    "r": 42,
    "g": 31,
    "b": 142
  },
  "hsl": {
    "h": 245.946,
    "s": 64.162,
    "l": 33.922
  },
  "oklch": {
    "l": 0.34234,
    "c": 0.17167,
    "h": 276.7
  },
  "luminance": 0.03425
}

Semantic roles & 50–950 ramp

primary

#2A1F8E

secondary

#B1BB4D

accent

#E741D7

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #2A1F8E

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

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