#2A1F76#2A1F76

#2A1F76 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.7% C 0.141 H 280.4°. Best body text is #FFFFFF at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#2A1F76
RGB	rgb(42, 31, 118)
HSL	hsl(248, 58%, 29%)
HSV	hsv(248, 74%, 46%)
CMYK	cmyk(64.4%, 73.7%, 0%, 53.7%)
CIE-LAB	lab(19.14, 32.24, -48.00)
CIE-LCH	lch(19.14, 57.82, 303.89°)
OKLab	oklab(31.68% 0.0255 -0.1384)
OKLCH	oklch(31.68% 0.141 280.4)
XYZ	xyz(4.7138, 2.7799, 17.4242)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1F76 #6B761F

analogous

#1F4076 #2A1F76 #561F76

triadic

#2A1F76 #762A1F #1F762A

tetradic

#2A1F76 #761F40 #6B761F #1F7656

square

#2A1F76 #761F40 #6B761F #1F7656

split-complementary

#2A1F76 #76561F #40761F

monochromatic

#090618 #191246 #2A1F76 #3B2CA6 #5442CD

Accessibility & contrast

On white

13.50

#2A1F76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#2A1F76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1F76

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1F76	#FFFFFF	#000000	##FFFFFF
##2A1F76	1.00	13.50	1.56	13.50
#FFFFFF	13.50	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003279

Deuteranopia (green-blind)

#002B74

Tritanopia (blue-blind)

#003748

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #2a1f76;
/* rgb */ color: rgb(42, 31, 118);
/* oklch */ color: oklch(31.7% 0.141 280.4);

Tailwind

colors: {
  custom: {
    50: '#6e5c9e',
    500: '#2a1f76',
    950: '#000000',
  },
}

SCSS

$custom: #2a1f76;
$custom-light: #6e5c9e;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1f76",
  "rgb": {
    "r": 42,
    "g": 31,
    "b": 118
  },
  "hsl": {
    "h": 247.586,
    "s": 58.389,
    "l": 29.216
  },
  "oklch": {
    "l": 0.31683,
    "c": 0.14073,
    "h": 280.4
  },
  "luminance": 0.0278
}

Semantic roles & 50–950 ramp

primary

#2A1F76

secondary

#9DAA47

accent

#E246CE

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #2A1F76

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

Preview Lab → · Contrast checker → · Palette generator →