#1F1167#1F1167

#1F1167 is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.1% C 0.138 H 279.2°. Best body text is #FFFFFF at 15.74:1 contrast (WCAG AA passes).

Color values

HEX	#1F1167
RGB	rgb(31, 17, 103)
HSL	hsl(250, 72%, 24%)
HSV	hsv(250, 83%, 40%)
CMYK	cmyk(69.9%, 83.5%, 0%, 59.6%)
CIE-LAB	lab(13.66, 33.83, -47.30)
CIE-LCH	lch(13.66, 58.16, 305.57°)
OKLab	oklab(27.08% 0.0221 -0.1366)
OKLCH	oklch(27.08% 0.138 279.2)
XYZ	xyz(3.2129, 1.6712, 12.9826)
Luminance	0.0167 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1167 #596711

analogous

#112E67 #1F1167 #4A1167

triadic

#1F1167 #671F11 #11671F

tetradic

#1F1167 #67112E #596711 #11674A

square

#1F1167 #67112E #596711 #11674A

split-complementary

#1F1167 #674A11 #2E6711

monochromatic

#08041A #0F0832 #1F1167 #2F1A9C #3F22D0

Accessibility & contrast

On white

15.74

#1F1167 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#1F1167 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1167

15.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1167	#FFFFFF	#000000	##FFFFFF
##1F1167	1.00	15.74	1.33	15.74
#FFFFFF	15.74	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002669

Deuteranopia (green-blind)

#001F65

Tritanopia (blue-blind)

#002B3C

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #1f1167;
/* rgb */ color: rgb(31, 17, 103);
/* oklch */ color: oklch(27.1% 0.138 279.2);

Tailwind

colors: {
  custom: {
    50: '#675293',
    500: '#1f1167',
    950: '#000000',
  },
}

SCSS

$custom: #1f1167;
$custom-light: #675293;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1167",
  "rgb": {
    "r": 31,
    "g": 17,
    "b": 103
  },
  "hsl": {
    "h": 249.767,
    "s": 71.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.27075,
    "c": 0.13838,
    "h": 279.2
  },
  "luminance": 0.01671
}

Semantic roles & 50–950 ramp

primary

#1F1167

secondary

#8E9F35

accent

#EE39D1

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#07020D

muted

#7A787E

Preview Lab

Preview with #1F1167

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

Preview Lab → · Contrast checker → · Palette generator →