#1B165D#1B165D

#1B165D is a dark, vivid blue. Relative luminance 0.016; OKLCH L 26.3% C 0.121 H 277.3°. Best body text is #FFFFFF at 15.92:1 contrast (WCAG AA passes).

Color values

HEX	#1B165D
RGB	rgb(27, 22, 93)
HSL	hsl(244, 62%, 23%)
HSV	hsv(244, 76%, 36%)
CMYK	cmyk(71%, 76.3%, 0%, 63.5%)
CIE-LAB	lab(13.21, 26.91, -41.41)
CIE-LCH	lch(13.21, 49.38, 303.02°)
OKLab	oklab(26.33% 0.0153 -0.1196)
OKLCH	oklch(26.33% 0.121 277.3)
XYZ	xyz(2.7140, 1.5969, 10.5190)
Luminance	0.0160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B165D #585D16

analogous

#16355D #1B165D #3E165D

triadic

#1B165D #5D1B16 #165D1B

tetradic

#1B165D #5D1635 #585D16 #165D3E

square

#1B165D #5D1635 #585D16 #165D3E

split-complementary

#1B165D #5D3E16 #355D16

monochromatic

#070619 #0D0A2C #1B165D #29228E #382DC0

Accessibility & contrast

On white

15.92

#1B165D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#1B165D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B165D

15.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B165D	#FFFFFF	#000000	##FFFFFF
##1B165D	1.00	15.92	1.32	15.92
#FFFFFF	15.92	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255F

Deuteranopia (green-blind)

#001F5C

Tritanopia (blue-blind)

#002A37

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #1b165d;
/* rgb */ color: rgb(27, 22, 93);
/* oklch */ color: oklch(26.3% 0.121 277.3);

Tailwind

colors: {
  custom: {
    50: '#62548c',
    500: '#1b165d',
    950: '#000000',
  },
}

SCSS

$custom: #1b165d;
$custom-light: #62548c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b165d",
  "rgb": {
    "r": 27,
    "g": 22,
    "b": 93
  },
  "hsl": {
    "h": 244.225,
    "s": 61.739,
    "l": 22.549
  },
  "oklch": {
    "l": 0.26332,
    "c": 0.12054,
    "h": 277.3
  },
  "luminance": 0.01597
}

Semantic roles & 50–950 ramp

primary

#1B165D

secondary

#8E943B

accent

#E543D9

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1B165D

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

Preview Lab → · Contrast checker → · Palette generator →