#2A1D77#2A1D77

#2A1D77 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.5% C 0.144 H 280.7°. Best body text is #FFFFFF at 13.63:1 contrast (WCAG AA passes).

Color values

HEX	#2A1D77
RGB	rgb(42, 29, 119)
HSL	hsl(249, 61%, 29%)
HSV	hsv(249, 76%, 47%)
CMYK	cmyk(64.7%, 75.6%, 0%, 53.3%)
CIE-LAB	lab(18.81, 33.77, -49.18)
CIE-LCH	lch(18.81, 59.66, 304.48°)
OKLab	oklab(31.48% 0.0268 -0.1418)
OKLCH	oklch(31.48% 0.144 280.7)
XYZ	xyz(4.7229, 2.7025, 17.7219)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1D77 #6A771D

analogous

#1D3D77 #2A1D77 #571D77

triadic

#2A1D77 #772A1D #1D772A

tetradic

#2A1D77 #771D3D #6A771D #1D7757

square

#2A1D77 #771D3D #6A771D #1D7757

split-complementary

#2A1D77 #77571D #3D771D

monochromatic

#090619 #191146 #2A1D77 #3B29A8 #533ED0

Accessibility & contrast

On white

13.63

#2A1D77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#2A1D77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1D77

13.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1D77	#FFFFFF	#000000	##FFFFFF
##2A1D77	1.00	13.63	1.54	13.63
#FFFFFF	13.63	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317A

Deuteranopia (green-blind)

#002A75

Tritanopia (blue-blind)

#003648

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #2a1d77;
/* rgb */ color: rgb(42, 29, 119);
/* oklch */ color: oklch(31.5% 0.144 280.7);

Tailwind

colors: {
  custom: {
    50: '#6e5b9f',
    500: '#2a1d77',
    950: '#000000',
  },
}

SCSS

$custom: #2a1d77;
$custom-light: #6e5b9f;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1d77",
  "rgb": {
    "r": 42,
    "g": 29,
    "b": 119
  },
  "hsl": {
    "h": 248.667,
    "s": 60.811,
    "l": 29.02
  },
  "oklch": {
    "l": 0.31479,
    "c": 0.14437,
    "h": 280.7
  },
  "luminance": 0.02703
}

Semantic roles & 50–950 ramp

primary

#2A1D77

secondary

#9CAB45

accent

#E444CD

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040F

muted

#7B797E

Preview Lab

Preview with #2A1D77

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

Preview Lab → · Contrast checker → · Palette generator →