#1F1475#1F1475

#1F1475 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.1% C 0.153 H 276.1°. Best body text is #FFFFFF at 14.84:1 contrast (WCAG AA passes).

Color values

HEX	#1F1475
RGB	rgb(31, 20, 117)
HSL	hsl(247, 71%, 27%)
HSV	hsv(247, 83%, 46%)
CMYK	cmyk(73.5%, 82.9%, 0%, 54.1%)
CIE-LAB	lab(15.88, 36.87, -52.76)
CIE-LCH	lch(15.88, 64.37, 304.95°)
OKLab	oklab(29.11% 0.0164 -0.1525)
OKLCH	oklch(29.11% 0.153 276.1)
XYZ	xyz(4.0251, 2.0756, 17.0147)
Luminance	0.0208 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1475 #6A7514

analogous

#143A75 #1F1475 #501475

triadic

#1F1475 #751F14 #14751F

tetradic

#1F1475 #75143A #6A7514 #147550

square

#1F1475 #75143A #6A7514 #147550

split-complementary

#1F1475 #755014 #3A7514

monochromatic

#07041A #110B41 #1F1475 #2D1DA9 #3D29DA

Accessibility & contrast

On white

14.84

#1F1475 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#1F1475 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1475

14.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1475	#FFFFFF	#000000	##FFFFFF
##1F1475	1.00	14.84	1.42	14.84
#FFFFFF	14.84	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C78

Deuteranopia (green-blind)

#002373

Tritanopia (blue-blind)

#003245

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1f1475;
/* rgb */ color: rgb(31, 20, 117);
/* oklch */ color: oklch(29.1% 0.153 276.1);

Tailwind

colors: {
  custom: {
    50: '#6a549e',
    500: '#1f1475',
    950: '#000000',
  },
}

SCSS

$custom: #1f1475;
$custom-light: #6a549e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1475",
  "rgb": {
    "r": 31,
    "g": 20,
    "b": 117
  },
  "hsl": {
    "h": 246.804,
    "s": 70.803,
    "l": 26.863
  },
  "oklch": {
    "l": 0.29114,
    "c": 0.1534,
    "h": 276.1
  },
  "luminance": 0.02076
}

Semantic roles & 50–950 ramp

primary

#1F1475

secondary

#9EAB3A

accent

#EE3AD9

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1F1475

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

Preview Lab → · Contrast checker → · Palette generator →