#2F1F9C#2F1F9C

#2F1F9C is a dark, vivid blue. Relative luminance 0.040; OKLCH L 36.2% C 0.188 H 277.2°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#2F1F9C
RGB	rgb(47, 31, 156)
HSL	hsl(248, 67%, 37%)
HSV	hsv(248, 80%, 61%)
CMYK	cmyk(69.9%, 80.1%, 0%, 38.8%)
CIE-LAB	lab(23.62, 45.22, -64.40)
CIE-LCH	lch(23.62, 78.69, 305.07°)
OKLab	oklab(36.16% 0.0235 -0.1861)
OKLCH	oklch(36.16% 0.188 277.2)
XYZ	xyz(7.6611, 3.9839, 31.8113)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F1F9C #8C9C1F

analogous

#1F4E9C #2F1F9C #6E1F9C

triadic

#2F1F9C #9C2F1F #1F9C2F

tetradic

#2F1F9C #9C1F4E #8C9C1F #1F9C6E

square

#2F1F9C #9C1F4E #8C9C1F #1F9C6E

split-complementary

#2F1F9C #9C6E1F #4E9C1F

monochromatic

#100B36 #201569 #2F1F9C #3E29CF #6958DE

Accessibility & contrast

On white

11.69

#2F1F9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#2F1F9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F1F9C

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F1F9C	#FFFFFF	#000000	##FFFFFF
##2F1F9C	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9F

Deuteranopia (green-blind)

#00339A

Tritanopia (blue-blind)

#00455D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #2f1f9c;
/* rgb */ color: rgb(47, 31, 156);
/* oklch */ color: oklch(36.2% 0.188 277.2);

Tailwind

colors: {
  custom: {
    50: '#795eba',
    500: '#2f1f9c',
    950: '#000000',
  },
}

SCSS

$custom: #2f1f9c;
$custom-light: #795eba;
$custom-dark: #000000;

JSON

{
  "hex": "#2f1f9c",
  "rgb": {
    "r": 47,
    "g": 31,
    "b": 156
  },
  "hsl": {
    "h": 247.68,
    "s": 66.845,
    "l": 36.667
  },
  "oklch": {
    "l": 0.36157,
    "c": 0.18758,
    "h": 277.2
  },
  "luminance": 0.03985
}

Semantic roles & 50–950 ramp

primary

#2F1F9C

secondary

#B4C155

accent

#EA3ED4

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #2F1F9C

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

Preview Lab → · Contrast checker → · Palette generator →