#1F1270#1F1270

#1F1270 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.3% C 0.149 H 277.3°. Best body text is #FFFFFF at 15.23:1 contrast (WCAG AA passes).

Color values

HEX	#1F1270
RGB	rgb(31, 18, 112)
HSL	hsl(248, 72%, 25%)
HSV	hsv(248, 84%, 44%)
CMYK	cmyk(72.3%, 83.9%, 0%, 56.1%)
CIE-LAB	lab(14.92, 36.27, -51.11)
CIE-LCH	lch(14.92, 62.67, 305.36°)
OKLab	oklab(28.27% 0.0188 -0.1477)
OKLCH	oklch(28.27% 0.149 277.3)
XYZ	xyz(3.7051, 1.8934, 15.4963)
Luminance	0.0189 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1270 #637012

analogous

#123470 #1F1270 #4E1270

triadic

#1F1270 #701F12 #12701F

tetradic

#1F1270 #701234 #637012 #12704E

square

#1F1270 #701234 #637012 #12704E

split-complementary

#1F1270 #704E12 #347012

monochromatic

#07041A #100A3B #1F1270 #2E1AA5 #3C23D9

Accessibility & contrast

On white

15.23

#1F1270 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#1F1270 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1270

15.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1270	#FFFFFF	#000000	##FFFFFF
##1F1270	1.00	15.23	1.38	15.23
#FFFFFF	15.23	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002973

Deuteranopia (green-blind)

#00216E

Tritanopia (blue-blind)

#002F41

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1f1270;
/* rgb */ color: rgb(31, 18, 112);
/* oklch */ color: oklch(28.3% 0.149 277.3);

Tailwind

colors: {
  custom: {
    50: '#69539a',
    500: '#1f1270',
    950: '#000000',
  },
}

SCSS

$custom: #1f1270;
$custom-light: #69539a;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1270",
  "rgb": {
    "r": 31,
    "g": 18,
    "b": 112
  },
  "hsl": {
    "h": 248.298,
    "s": 72.308,
    "l": 25.49
  },
  "oklch": {
    "l": 0.28269,
    "c": 0.14889,
    "h": 277.3
  },
  "luminance": 0.01894
}

Semantic roles & 50–950 ramp

primary

#1F1270

secondary

#98A737

accent

#EF39D6

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1F1270

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

Preview Lab → · Contrast checker → · Palette generator →