#2A1F80#2A1F80

#2A1F80 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.7% C 0.154 H 278.7°. Best body text is #FFFFFF at 13.07:1 contrast (WCAG AA passes).

Color values

HEX	#2A1F80
RGB	rgb(42, 31, 128)
HSL	hsl(247, 61%, 31%)
HSV	hsv(247, 76%, 50%)
CMYK	cmyk(67.2%, 75.8%, 0%, 49.8%)
CIE-LAB	lab(20.16, 35.62, -52.69)
CIE-LCH	lch(20.16, 63.60, 304.06°)
OKLab	oklab(32.72% 0.0234 -0.1521)
OKLCH	oklch(32.72% 0.154 278.7)
XYZ	xyz(5.3399, 3.0303, 20.7214)
Luminance	0.0303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1F80 #75801F

analogous

#1F4480 #2A1F80 #5A1F80

triadic

#2A1F80 #802A1F #1F802A

tetradic

#2A1F80 #801F44 #75801F #1F805A

square

#2A1F80 #801F44 #75801F #1F805A

split-complementary

#2A1F80 #805A1F #44801F

monochromatic

#0A071D #1A134F #2A1F80 #3A2BB1 #5747D2

Accessibility & contrast

On white

13.07

#2A1F80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#2A1F80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1F80

13.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1F80	#FFFFFF	#000000	##FFFFFF
##2A1F80	1.00	13.07	1.61	13.07
#FFFFFF	13.07	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003483

Deuteranopia (green-blind)

#002D7E

Tritanopia (blue-blind)

#003A4D

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #2a1f80;
/* rgb */ color: rgb(42, 31, 128);
/* oklch */ color: oklch(32.7% 0.154 278.7);

Tailwind

colors: {
  custom: {
    50: '#705ca6',
    500: '#2a1f80',
    950: '#000000',
  },
}

SCSS

$custom: #2a1f80;
$custom-light: #705ca6;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1f80",
  "rgb": {
    "r": 42,
    "g": 31,
    "b": 128
  },
  "hsl": {
    "h": 246.804,
    "s": 61.006,
    "l": 31.176
  },
  "oklch": {
    "l": 0.32722,
    "c": 0.15389,
    "h": 278.7
  },
  "luminance": 0.03031
}

Semantic roles & 50–950 ramp

primary

#2A1F80

secondary

#A7B348

accent

#E444D2

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #2A1F80

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

Preview Lab → · Contrast checker → · Palette generator →