#1F146A#1F146A

#1F146A is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.8% C 0.139 H 278.0°. Best body text is #FFFFFF at 15.37:1 contrast (WCAG AA passes).

Color values

HEX	#1F146A
RGB	rgb(31, 20, 106)
HSL	hsl(248, 68%, 25%)
HSV	hsv(248, 81%, 42%)
CMYK	cmyk(70.8%, 81.1%, 0%, 58.4%)
CIE-LAB	lab(14.58, 33.20, -47.76)
CIE-LCH	lch(14.58, 58.16, 304.80°)
OKLab	oklab(27.82% 0.0195 -0.1379)
OKLCH	oklch(27.82% 0.139 278)
XYZ	xyz(3.4159, 1.8319, 13.8065)
Luminance	0.0183 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F146A #5F6A14

analogous

#14346A #1F146A #4A146A

triadic

#1F146A #6A1F14 #146A1F

tetradic

#1F146A #6A1434 #5F6A14 #146A4A

square

#1F146A #6A1434 #5F6A14 #146A4A

split-complementary

#1F146A #6A4A14 #346A14

monochromatic

#08051A #100A37 #1F146A #2E1E9D #3D27D1

Accessibility & contrast

On white

15.37

#1F146A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#1F146A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F146A

15.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F146A	#FFFFFF	#000000	##FFFFFF
##1F146A	1.00	15.37	1.37	15.37
#FFFFFF	15.37	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00286C

Deuteranopia (green-blind)

#002168

Tritanopia (blue-blind)

#002D3E

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1f146a;
/* rgb */ color: rgb(31, 20, 106);
/* oklch */ color: oklch(27.8% 0.139 278.0);

Tailwind

colors: {
  custom: {
    50: '#675496',
    500: '#1f146a',
    950: '#000000',
  },
}

SCSS

$custom: #1f146a;
$custom-light: #675496;
$custom-dark: #000000;

JSON

{
  "hex": "#1f146a",
  "rgb": {
    "r": 31,
    "g": 20,
    "b": 106
  },
  "hsl": {
    "h": 247.674,
    "s": 68.254,
    "l": 24.706
  },
  "oklch": {
    "l": 0.27823,
    "c": 0.13932,
    "h": 278
  },
  "luminance": 0.01832
}

Semantic roles & 50–950 ramp

primary

#1F146A

secondary

#94A139

accent

#EB3DD5

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07030D

muted

#7A787E

Preview Lab

Preview with #1F146A

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

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