#2B1F80#2B1F80

#2B1F80 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.8% C 0.154 H 279.3°. Best body text is #FFFFFF at 13.04:1 contrast (WCAG AA passes).

Color values

HEX	#2B1F80
RGB	rgb(43, 31, 128)
HSL	hsl(247, 61%, 31%)
HSV	hsv(247, 76%, 50%)
CMYK	cmyk(66.4%, 75.8%, 0%, 49.8%)
CIE-LAB	lab(20.25, 35.75, -52.54)
CIE-LCH	lch(20.25, 63.55, 304.23°)
OKLab	oklab(32.8% 0.0248 -0.1517)
OKLCH	oklch(32.8% 0.154 279.3)
XYZ	xyz(5.3813, 3.0516, 20.7233)
Luminance	0.0305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1F80 #74801F

analogous

#1F4380 #2B1F80 #5B1F80

triadic

#2B1F80 #802B1F #1F802B

tetradic

#2B1F80 #801F43 #74801F #1F805B

square

#2B1F80 #801F43 #74801F #1F805B

split-complementary

#2B1F80 #805B1F #43801F

monochromatic

#0A071D #1A134F #2B1F80 #3C2BB1 #5847D2

Accessibility & contrast

On white

13.04

#2B1F80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#2B1F80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1F80

13.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1F80	#FFFFFF	#000000	##FFFFFF
##2B1F80	1.00	13.04	1.61	13.04
#FFFFFF	13.04	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.04	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: #2b1f80;
/* rgb */ color: rgb(43, 31, 128);
/* oklch */ color: oklch(32.8% 0.154 279.3);

Tailwind

colors: {
  custom: {
    50: '#715ca6',
    500: '#2b1f80',
    950: '#000000',
  },
}

SCSS

$custom: #2b1f80;
$custom-light: #715ca6;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1f80",
  "rgb": {
    "r": 43,
    "g": 31,
    "b": 128
  },
  "hsl": {
    "h": 247.423,
    "s": 61.006,
    "l": 31.176
  },
  "oklch": {
    "l": 0.32803,
    "c": 0.15368,
    "h": 279.3
  },
  "luminance": 0.03052
}

Semantic roles & 50–950 ramp

primary

#2B1F80

secondary

#A6B348

accent

#E444D0

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #2B1F80

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

Preview Lab → · Contrast checker → · Palette generator →