#1F168E#1F168E

#1F168E is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.4% C 0.182 H 272.7°. Best body text is #FFFFFF at 13.43:1 contrast (WCAG AA passes).

Color values

HEX	#1F168E
RGB	rgb(31, 22, 142)
HSL	hsl(245, 73%, 32%)
HSV	hsv(245, 85%, 56%)
CMYK	cmyk(78.2%, 84.5%, 0%, 44.3%)
CIE-LAB	lab(19.30, 43.94, -62.95)
CIE-LCH	lch(19.30, 76.77, 304.92°)
OKLab	oklab(32.38% 0.0087 -0.1821)
OKLCH	oklch(32.38% 0.182 272.7)
XYZ	xyz(5.7328, 2.8175, 25.8276)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F168E #858E16

analogous

#16498E #1F168E #5B168E

triadic

#1F168E #8E1F16 #168E1F

tetradic

#1F168E #8E1649 #858E16 #168E5B

square

#1F168E #8E1649 #858E16 #168E5B

split-complementary

#1F168E #8E5B16 #498E16

monochromatic

#080624 #130E59 #1F168E #2B1EC3 #4A3DE1

Accessibility & contrast

On white

13.43

#1F168E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1F168E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F168E

13.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F168E	#FFFFFF	#000000	##FFFFFF
##1F168E	1.00	13.43	1.56	13.43
#FFFFFF	13.43	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003491

Deuteranopia (green-blind)

#00298C

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1f168e;
/* rgb */ color: rgb(31, 22, 142);
/* oklch */ color: oklch(32.4% 0.182 272.7);

Tailwind

colors: {
  custom: {
    50: '#7057b0',
    500: '#1f168e',
    950: '#000000',
  },
}

SCSS

$custom: #1f168e;
$custom-light: #7057b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1f168e",
  "rgb": {
    "r": 31,
    "g": 22,
    "b": 142
  },
  "hsl": {
    "h": 244.5,
    "s": 73.171,
    "l": 32.157
  },
  "oklch": {
    "l": 0.32376,
    "c": 0.1823,
    "h": 272.7
  },
  "luminance": 0.02818
}

Semantic roles & 50–950 ramp

primary

#1F168E

secondary

#B7C13F

accent

#F038E2

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1F168E

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

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