#1F1390#1F1390

#1F1390 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.3% C 0.187 H 272.7°. Best body text is #FFFFFF at 13.51:1 contrast (WCAG AA passes).

Color values

HEX	#1F1390
RGB	rgb(31, 19, 144)
HSL	hsl(246, 77%, 32%)
HSV	hsv(246, 87%, 56%)
CMYK	cmyk(78.5%, 86.8%, 0%, 43.5%)
CIE-LAB	lab(19.10, 45.91, -64.52)
CIE-LCH	lch(19.10, 79.19, 305.43°)
OKLab	oklab(32.31% 0.0089 -0.1866)
OKLCH	oklch(32.31% 0.187 272.7)
XYZ	xyz(5.8303, 2.7700, 26.6075)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1390 #849013

analogous

#134690 #1F1390 #5E1390

triadic

#1F1390 #901F13 #13901F

tetradic

#1F1390 #901346 #849013 #13905E

square

#1F1390 #901346 #849013 #13905E

split-complementary

#1F1390 #905E13 #469013

monochromatic

#080524 #130C5A #1F1390 #2B1AC6 #4939E5

Accessibility & contrast

On white

13.51

#1F1390 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1F1390 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1390

13.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1390	#FFFFFF	#000000	##FFFFFF
##1F1390	1.00	13.51	1.55	13.51
#FFFFFF	13.51	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003493

Deuteranopia (green-blind)

#00288E

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1f1390;
/* rgb */ color: rgb(31, 19, 144);
/* oklch */ color: oklch(32.3% 0.187 272.7);

Tailwind

colors: {
  custom: {
    50: '#7156b2',
    500: '#1f1390',
    950: '#000000',
  },
}

SCSS

$custom: #1f1390;
$custom-light: #7156b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1390",
  "rgb": {
    "r": 31,
    "g": 19,
    "b": 144
  },
  "hsl": {
    "h": 245.76,
    "s": 76.687,
    "l": 31.961
  },
  "oklch": {
    "l": 0.32311,
    "c": 0.18681,
    "h": 272.7
  },
  "luminance": 0.02771
}

Semantic roles & 50–950 ramp

primary

#1F1390

secondary

#B7C43B

accent

#F335E1

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1F1390

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

Preview Lab → · Contrast checker → · Palette generator →