#1F1372#1F1372

#1F1372 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.6% C 0.151 H 276.8°. Best body text is #FFFFFF at 15.06:1 contrast (WCAG AA passes).

Color values

HEX	#1F1372
RGB	rgb(31, 19, 114)
HSL	hsl(248, 71%, 26%)
HSV	hsv(248, 83%, 45%)
CMYK	cmyk(72.8%, 83.3%, 0%, 55.3%)
CIE-LAB	lab(15.34, 36.41, -51.72)
CIE-LCH	lch(15.34, 63.25, 305.14°)
OKLab	oklab(28.63% 0.0177 -0.1495)
OKLCH	oklch(28.63% 0.151 276.8)
XYZ	xyz(3.8342, 1.9716, 16.0948)
Luminance	0.0197 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1372 #667213

analogous

#133672 #1F1372 #4E1372

triadic

#1F1372 #721F13 #13721F

tetradic

#1F1372 #721336 #667213 #13724E

square

#1F1372 #721336 #667213 #13724E

split-complementary

#1F1372 #724E13 #367213

monochromatic

#07041A #110A3E #1F1372 #2D1CA6 #3C25DB

Accessibility & contrast

On white

15.06

#1F1372 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#1F1372 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1372

15.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1372	#FFFFFF	#000000	##FFFFFF
##1F1372	1.00	15.06	1.39	15.06
#FFFFFF	15.06	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.06	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: #1f1372;
/* rgb */ color: rgb(31, 19, 114);
/* oklch */ color: oklch(28.6% 0.151 276.8);

Tailwind

colors: {
  custom: {
    50: '#69549c',
    500: '#1f1372',
    950: '#000000',
  },
}

SCSS

$custom: #1f1372;
$custom-light: #69549c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1372",
  "rgb": {
    "r": 31,
    "g": 19,
    "b": 114
  },
  "hsl": {
    "h": 247.579,
    "s": 71.429,
    "l": 26.078
  },
  "oklch": {
    "l": 0.28631,
    "c": 0.15052,
    "h": 276.8
  },
  "luminance": 0.01972
}

Semantic roles & 50–950 ramp

primary

#1F1372

secondary

#9AA938

accent

#EE3AD7

background

#F6F4F9

surface

#ECE8F2

border

#C7C4CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1F1372

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

Preview Lab → · Contrast checker → · Palette generator →