#1B165E#1B165E

#1B165E is a dark, vivid blue. Relative luminance 0.016; OKLCH L 26.4% C 0.122 H 277.1°. Best body text is #FFFFFF at 15.87:1 contrast (WCAG AA passes).

Color values

HEX	#1B165E
RGB	rgb(27, 22, 94)
HSL	hsl(244, 62%, 23%)
HSV	hsv(244, 77%, 37%)
CMYK	cmyk(71.3%, 76.6%, 0%, 63.1%)
CIE-LAB	lab(13.32, 27.28, -41.90)
CIE-LCH	lch(13.32, 50.00, 303.07°)
OKLab	oklab(26.44% 0.0151 -0.121)
OKLCH	oklch(26.44% 0.122 277.1)
XYZ	xyz(2.7586, 1.6147, 10.7538)
Luminance	0.0162 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B165E #595E16

analogous

#16355E #1B165E #3F165E

triadic

#1B165E #5E1B16 #165E1B

tetradic

#1B165E #5E1635 #595E16 #165E3F

square

#1B165E #5E1635 #595E16 #165E3F

split-complementary

#1B165E #5E3F16 #355E16

monochromatic

#070619 #0D0A2C #1B165E #292290 #372DC1

Accessibility & contrast

On white

15.87

#1B165E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#1B165E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B165E

15.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B165E	#FFFFFF	#000000	##FFFFFF
##1B165E	1.00	15.87	1.32	15.87
#FFFFFF	15.87	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002560

Deuteranopia (green-blind)

#001F5D

Tritanopia (blue-blind)

#002A38

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #1b165e;
/* rgb */ color: rgb(27, 22, 94);
/* oklch */ color: oklch(26.4% 0.122 277.1);

Tailwind

colors: {
  custom: {
    50: '#62548c',
    500: '#1b165e',
    950: '#000000',
  },
}

SCSS

$custom: #1b165e;
$custom-light: #62548c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b165e",
  "rgb": {
    "r": 27,
    "g": 22,
    "b": 94
  },
  "hsl": {
    "h": 244.167,
    "s": 62.069,
    "l": 22.745
  },
  "oklch": {
    "l": 0.26442,
    "c": 0.12194,
    "h": 277.1
  },
  "luminance": 0.01615
}

Semantic roles & 50–950 ramp

primary

#1B165E

secondary

#8F953B

accent

#E543DA

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #1B165E

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

Preview Lab → · Contrast checker → · Palette generator →