#1F1489#1F1489

#1F1489 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.5% C 0.178 H 273.4°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#1F1489
RGB	rgb(31, 20, 137)
HSL	hsl(246, 75%, 31%)
HSV	hsv(246, 85%, 54%)
CMYK	cmyk(77.4%, 85.4%, 0%, 46.3%)
CIE-LAB	lab(18.35, 43.30, -61.39)
CIE-LCH	lch(18.35, 75.12, 305.20°)
OKLab	oklab(31.54% 0.0107 -0.1775)
OKLCH	oklch(31.54% 0.178 273.4)
XYZ	xyz(5.3291, 2.5972, 23.8825)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1489 #7E8914

analogous

#144389 #1F1489 #591489

triadic

#1F1489 #891F14 #14891F

tetradic

#1F1489 #891443 #7E8914 #148959

square

#1F1489 #891443 #7E8914 #148959

split-complementary

#1F1489 #895914 #438914

monochromatic

#07041E #130C54 #1F1489 #2B1CBE #4636E2

Accessibility & contrast

On white

13.82

#1F1489 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#1F1489 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1489

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1489	#FFFFFF	#000000	##FFFFFF
##1F1489	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00328C

Deuteranopia (green-blind)

#002787

Tritanopia (blue-blind)

#003A50

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1f1489;
/* rgb */ color: rgb(31, 20, 137);
/* oklch */ color: oklch(31.5% 0.178 273.4);

Tailwind

colors: {
  custom: {
    50: '#6f56ad',
    500: '#1f1489',
    950: '#000000',
  },
}

SCSS

$custom: #1f1489;
$custom-light: #6f56ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1489",
  "rgb": {
    "r": 31,
    "g": 20,
    "b": 137
  },
  "hsl": {
    "h": 245.641,
    "s": 74.522,
    "l": 30.784
  },
  "oklch": {
    "l": 0.31543,
    "c": 0.17785,
    "h": 273.4
  },
  "luminance": 0.02598
}

Semantic roles & 50–950 ramp

primary

#1F1489

secondary

#B1BD3C

accent

#F137E0

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #1F1489

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

Preview Lab → · Contrast checker → · Palette generator →