#1F168C#1F168C

#1F168C is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.1% C 0.180 H 272.9°. Best body text is #FFFFFF at 13.53:1 contrast (WCAG AA passes).

Color values

HEX	#1F168C
RGB	rgb(31, 22, 140)
HSL	hsl(245, 73%, 32%)
HSV	hsv(245, 84%, 55%)
CMYK	cmyk(77.9%, 84.3%, 0%, 45.1%)
CIE-LAB	lab(19.05, 43.31, -62.11)
CIE-LCH	lch(19.05, 75.72, 304.89°)
OKLab	oklab(32.13% 0.0093 -0.1797)
OKLCH	oklch(32.13% 0.18 272.9)
XYZ	xyz(5.5840, 2.7580, 25.0439)
Luminance	0.0276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F168C #838C16

analogous

#16488C #1F168C #5A168C

triadic

#1F168C #8C1F16 #168C1F

tetradic

#1F168C #8C1648 #838C16 #168C5A

square

#1F168C #8C1648 #838C16 #168C5A

split-complementary

#1F168C #8C5A16 #488C16

monochromatic

#080522 #130E57 #1F168C #2B1EC1 #493CE0

Accessibility & contrast

On white

13.53

#1F168C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1F168C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F168C

13.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F168C	#FFFFFF	#000000	##FFFFFF
##1F168C	1.00	13.53	1.55	13.53
#FFFFFF	13.53	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348F

Deuteranopia (green-blind)

#00288A

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1f168c;
/* rgb */ color: rgb(31, 22, 140);
/* oklch */ color: oklch(32.1% 0.180 272.9);

Tailwind

colors: {
  custom: {
    50: '#7057af',
    500: '#1f168c',
    950: '#000000',
  },
}

SCSS

$custom: #1f168c;
$custom-light: #7057af;
$custom-dark: #000000;

JSON

{
  "hex": "#1f168c",
  "rgb": {
    "r": 31,
    "g": 22,
    "b": 140
  },
  "hsl": {
    "h": 244.576,
    "s": 72.84,
    "l": 31.765
  },
  "oklch": {
    "l": 0.32131,
    "c": 0.17992,
    "h": 272.9
  },
  "luminance": 0.02759
}

Semantic roles & 50–950 ramp

primary

#1F168C

secondary

#B6C03E

accent

#F038E2

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090311

muted

#7B7880

Preview Lab

Preview with #1F168C

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

Preview Lab → · Contrast checker → · Palette generator →