#1F168D#1F168D

#1F168D is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.3% C 0.181 H 272.8°. Best body text is #FFFFFF at 13.48:1 contrast (WCAG AA passes).

Color values

HEX	#1F168D
RGB	rgb(31, 22, 141)
HSL	hsl(245, 73%, 32%)
HSV	hsv(245, 84%, 55%)
CMYK	cmyk(78%, 84.4%, 0%, 44.7%)
CIE-LAB	lab(19.17, 43.63, -62.53)
CIE-LCH	lch(19.17, 76.24, 304.90°)
OKLab	oklab(32.25% 0.009 -0.1809)
OKLCH	oklch(32.25% 0.181 272.8)
XYZ	xyz(5.6581, 2.7876, 25.4340)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F168D #848D16

analogous

#16498D #1F168D #5B168D

triadic

#1F168D #8D1F16 #168D1F

tetradic

#1F168D #8D1649 #848D16 #168D5B

square

#1F168D #8D1649 #848D16 #168D5B

split-complementary

#1F168D #8D5B16 #498D16

monochromatic

#080523 #130E58 #1F168D #2B1EC2 #493DE1

Accessibility & contrast

On white

13.48

#1F168D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1F168D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F168D

13.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F168D	#FFFFFF	#000000	##FFFFFF
##1F168D	1.00	13.48	1.56	13.48
#FFFFFF	13.48	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003490

Deuteranopia (green-blind)

#00298B

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1f168d;
/* rgb */ color: rgb(31, 22, 141);
/* oklch */ color: oklch(32.3% 0.181 272.8);

Tailwind

colors: {
  custom: {
    50: '#7057b0',
    500: '#1f168d',
    950: '#000000',
  },
}

SCSS

$custom: #1f168d;
$custom-light: #7057b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1f168d",
  "rgb": {
    "r": 31,
    "g": 22,
    "b": 141
  },
  "hsl": {
    "h": 244.538,
    "s": 73.006,
    "l": 31.961
  },
  "oklch": {
    "l": 0.32253,
    "c": 0.18111,
    "h": 272.8
  },
  "luminance": 0.02788
}

Semantic roles & 50–950 ramp

primary

#1F168D

secondary

#B7C13E

accent

#F038E2

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1F168D

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

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