#1F168F#1F168F

#1F168F is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.5% C 0.183 H 272.6°. Best body text is #FFFFFF at 13.38:1 contrast (WCAG AA passes).

Color values

HEX	#1F168F
RGB	rgb(31, 22, 143)
HSL	hsl(244, 73%, 32%)
HSV	hsv(244, 85%, 56%)
CMYK	cmyk(78.3%, 84.6%, 0%, 43.9%)
CIE-LAB	lab(19.42, 44.26, -63.36)
CIE-LCH	lch(19.42, 77.29, 304.93°)
OKLab	oklab(32.5% 0.0084 -0.1833)
OKLCH	oklch(32.5% 0.183 272.6)
XYZ	xyz(5.8083, 2.8477, 26.2248)
Luminance	0.0285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F168F #868F16

analogous

#16498F #1F168F #5C168F

triadic

#1F168F #8F1F16 #168F1F

tetradic

#1F168F #8F1649 #868F16 #168F5C

square

#1F168F #8F1649 #868F16 #168F5C

split-complementary

#1F168F #8F5C16 #498F16

monochromatic

#080625 #140E5A #1F168F #2A1EC4 #4A3EE1

Accessibility & contrast

On white

13.38

#1F168F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1F168F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F168F

13.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F168F	#FFFFFF	#000000	##FFFFFF
##1F168F	1.00	13.38	1.57	13.38
#FFFFFF	13.38	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003592

Deuteranopia (green-blind)

#00298D

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1f168f;
/* rgb */ color: rgb(31, 22, 143);
/* oklch */ color: oklch(32.5% 0.183 272.6);

Tailwind

colors: {
  custom: {
    50: '#7058b1',
    500: '#1f168f',
    950: '#000000',
  },
}

SCSS

$custom: #1f168f;
$custom-light: #7058b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f168f",
  "rgb": {
    "r": 31,
    "g": 22,
    "b": 143
  },
  "hsl": {
    "h": 244.463,
    "s": 73.333,
    "l": 32.353
  },
  "oklch": {
    "l": 0.32499,
    "c": 0.18348,
    "h": 272.6
  },
  "luminance": 0.02848
}

Semantic roles & 50–950 ramp

primary

#1F168F

secondary

#B8C13F

accent

#F038E2

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1F168F

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

Preview Lab → · Contrast checker → · Palette generator →