#1F146C#1F146C

#1F146C is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.1% C 0.142 H 277.7°. Best body text is #FFFFFF at 15.27:1 contrast (WCAG AA passes).

Color values

HEX	#1F146C
RGB	rgb(31, 20, 108)
HSL	hsl(248, 69%, 25%)
HSV	hsv(248, 81%, 42%)
CMYK	cmyk(71.3%, 81.5%, 0%, 57.6%)
CIE-LAB	lab(14.81, 33.87, -48.68)
CIE-LCH	lch(14.81, 59.31, 304.83°)
OKLab	oklab(28.06% 0.019 -0.1406)
OKLCH	oklch(28.06% 0.142 277.7)
XYZ	xyz(3.5211, 1.8740, 14.3606)
Luminance	0.0187 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F146C #616C14

analogous

#14356C #1F146C #4B146C

triadic

#1F146C #6C1F14 #146C1F

tetradic

#1F146C #6C1435 #616C14 #146C4B

square

#1F146C #6C1435 #616C14 #146C4B

split-complementary

#1F146C #6C4B14 #356C14

monochromatic

#07051A #100A38 #1F146C #2E1EA0 #3D27D3

Accessibility & contrast

On white

15.27

#1F146C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#1F146C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F146C

15.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F146C	#FFFFFF	#000000	##FFFFFF
##1F146C	1.00	15.27	1.37	15.27
#FFFFFF	15.27	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00296E

Deuteranopia (green-blind)

#00226A

Tritanopia (blue-blind)

#002E3F

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1f146c;
/* rgb */ color: rgb(31, 20, 108);
/* oklch */ color: oklch(28.1% 0.142 277.7);

Tailwind

colors: {
  custom: {
    50: '#685497',
    500: '#1f146c',
    950: '#000000',
  },
}

SCSS

$custom: #1f146c;
$custom-light: #685497;
$custom-dark: #000000;

JSON

{
  "hex": "#1f146c",
  "rgb": {
    "r": 31,
    "g": 20,
    "b": 108
  },
  "hsl": {
    "h": 247.5,
    "s": 68.75,
    "l": 25.098
  },
  "oklch": {
    "l": 0.28055,
    "c": 0.14192,
    "h": 277.7
  },
  "luminance": 0.01874
}

Semantic roles & 50–950 ramp

primary

#1F146C

secondary

#96A339

accent

#EC3CD6

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1F146C

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

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