#1F1272#1F1272

#1F1272 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.5% C 0.151 H 276.9°. Best body text is #FFFFFF at 15.13:1 contrast (WCAG AA passes).

Color values

HEX	#1F1272
RGB	rgb(31, 18, 114)
HSL	hsl(248, 73%, 26%)
HSV	hsv(248, 84%, 45%)
CMYK	cmyk(72.8%, 84.2%, 0%, 55.3%)
CIE-LAB	lab(15.16, 36.92, -52.01)
CIE-LCH	lch(15.16, 63.78, 305.37°)
OKLab	oklab(28.51% 0.0182 -0.1503)
OKLCH	oklch(28.51% 0.151 276.9)
XYZ	xyz(3.8177, 1.9385, 16.0893)
Luminance	0.0194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1272 #657212

analogous

#123572 #1F1272 #4F1272

triadic

#1F1272 #721F12 #12721F

tetradic

#1F1272 #721235 #657212 #12724F

square

#1F1272 #721235 #657212 #12724F

split-complementary

#1F1272 #724F12 #357212

monochromatic

#07041A #110A3D #1F1272 #2D1AA7 #3C23DC

Accessibility & contrast

On white

15.13

#1F1272 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#1F1272 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1272

15.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1272	#FFFFFF	#000000	##FFFFFF
##1F1272	1.00	15.13	1.39	15.13
#FFFFFF	15.13	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A75

Deuteranopia (green-blind)

#002270

Tritanopia (blue-blind)

#003043

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1f1272;
/* rgb */ color: rgb(31, 18, 114);
/* oklch */ color: oklch(28.5% 0.151 276.9);

Tailwind

colors: {
  custom: {
    50: '#69539c',
    500: '#1f1272',
    950: '#000000',
  },
}

SCSS

$custom: #1f1272;
$custom-light: #69539c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1272",
  "rgb": {
    "r": 31,
    "g": 18,
    "b": 114
  },
  "hsl": {
    "h": 248.125,
    "s": 72.727,
    "l": 25.882
  },
  "oklch": {
    "l": 0.28509,
    "c": 0.1514,
    "h": 276.9
  },
  "luminance": 0.01939
}

Semantic roles & 50–950 ramp

primary

#1F1272

secondary

#99A937

accent

#EF38D7

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1F1272

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

Preview Lab → · Contrast checker → · Palette generator →