#1B165F#1B165F

#1B165F is a dark, vivid blue. Relative luminance 0.016; OKLCH L 26.6% C 0.123 H 276.9°. Best body text is #FFFFFF at 15.83:1 contrast (WCAG AA passes).

Color values

HEX	#1B165F
RGB	rgb(27, 22, 95)
HSL	hsl(244, 62%, 23%)
HSV	hsv(244, 77%, 37%)
CMYK	cmyk(71.6%, 76.8%, 0%, 62.7%)
CIE-LAB	lab(13.43, 27.64, -42.39)
CIE-LCH	lch(13.43, 50.60, 303.11°)
OKLab	oklab(26.55% 0.0149 -0.1224)
OKLCH	oklch(26.55% 0.123 276.9)
XYZ	xyz(2.8038, 1.6328, 10.9917)
Luminance	0.0163 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B165F #5A5F16

analogous

#16355F #1B165F #3F165F

triadic

#1B165F #5F1B16 #165F1B

tetradic

#1B165F #5F1635 #5A5F16 #165F3F

square

#1B165F #5F1635 #5A5F16 #165F3F

split-complementary

#1B165F #5F3F16 #355F16

monochromatic

#070619 #0D0A2D #1B165F #292291 #372DC2

Accessibility & contrast

On white

15.83

#1B165F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#1B165F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B165F

15.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B165F	#FFFFFF	#000000	##FFFFFF
##1B165F	1.00	15.83	1.33	15.83
#FFFFFF	15.83	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002561

Deuteranopia (green-blind)

#001F5E

Tritanopia (blue-blind)

#002A39

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #1b165f;
/* rgb */ color: rgb(27, 22, 95);
/* oklch */ color: oklch(26.6% 0.123 276.9);

Tailwind

colors: {
  custom: {
    50: '#62548d',
    500: '#1b165f',
    950: '#000000',
  },
}

SCSS

$custom: #1b165f;
$custom-light: #62548d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b165f",
  "rgb": {
    "r": 27,
    "g": 22,
    "b": 95
  },
  "hsl": {
    "h": 244.11,
    "s": 62.393,
    "l": 22.941
  },
  "oklch": {
    "l": 0.26553,
    "c": 0.12333,
    "h": 276.9
  },
  "luminance": 0.01633
}

Semantic roles & 50–950 ramp

primary

#1B165F

secondary

#90963B

accent

#E542DA

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #1B165F

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

Preview Lab → · Contrast checker → · Palette generator →