#2A1C77#2A1C77

#2A1C77 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.3% C 0.145 H 280.9°. Best body text is #FFFFFF at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#2A1C77
RGB	rgb(42, 28, 119)
HSL	hsl(249, 62%, 29%)
HSV	hsv(249, 76%, 47%)
CMYK	cmyk(64.7%, 76.5%, 0%, 53.3%)
CIE-LAB	lab(18.60, 34.36, -49.52)
CIE-LCH	lch(18.60, 60.27, 304.75°)
OKLab	oklab(31.33% 0.0276 -0.1428)
OKLCH	oklch(31.33% 0.145 280.9)
XYZ	xyz(4.6988, 2.6543, 17.7139)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1C77 #69771C

analogous

#1C3C77 #2A1C77 #581C77

triadic

#2A1C77 #772A1C #1C772A

tetradic

#2A1C77 #771C3C #69771C #1C7758

square

#2A1C77 #771C3C #69771C #1C7758

split-complementary

#2A1C77 #77581C #3C771C

monochromatic

#090619 #191045 #2A1C77 #3B28A9 #533CD1

Accessibility & contrast

On white

13.72

#2A1C77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#2A1C77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1C77

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1C77	#FFFFFF	#000000	##FFFFFF
##2A1C77	1.00	13.72	1.53	13.72
#FFFFFF	13.72	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307A

Deuteranopia (green-blind)

#002A75

Tritanopia (blue-blind)

#003548

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #2a1c77;
/* rgb */ color: rgb(42, 28, 119);
/* oklch */ color: oklch(31.3% 0.145 280.9);

Tailwind

colors: {
  custom: {
    50: '#6e5a9f',
    500: '#2a1c77',
    950: '#000000',
  },
}

SCSS

$custom: #2a1c77;
$custom-light: #6e5a9f;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1c77",
  "rgb": {
    "r": 42,
    "g": 28,
    "b": 119
  },
  "hsl": {
    "h": 249.231,
    "s": 61.905,
    "l": 28.824
  },
  "oklch": {
    "l": 0.31332,
    "c": 0.14549,
    "h": 280.9
  },
  "luminance": 0.02655
}

Semantic roles & 50–950 ramp

primary

#2A1C77

secondary

#9BAB44

accent

#E543CC

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040F

muted

#7B797E

Preview Lab

Preview with #2A1C77

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

Preview Lab → · Contrast checker → · Palette generator →