#1B1876#1B1876

#1B1876 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.5% C 0.152 H 273.3°. Best body text is #FFFFFF at 14.60:1 contrast (WCAG AA passes).

Color values

HEX	#1B1876
RGB	rgb(27, 24, 118)
HSL	hsl(242, 66%, 28%)
HSV	hsv(242, 80%, 46%)
CMYK	cmyk(77.1%, 79.7%, 0%, 53.7%)
CIE-LAB	lab(16.47, 34.63, -52.43)
CIE-LCH	lch(16.47, 62.84, 303.45°)
OKLab	oklab(29.49% 0.0087 -0.1517)
OKLCH	oklch(29.49% 0.152 273.3)
XYZ	xyz(4.0476, 2.1939, 17.3462)
Luminance	0.0219 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B1876 #737618

analogous

#184476 #1B1876 #4A1876

triadic

#1B1876 #761B18 #18761B

tetradic

#1B1876 #761844 #737618 #18764A

square

#1B1876 #761844 #737618 #18764A

split-complementary

#1B1876 #764A18 #447618

monochromatic

#060519 #0F0E43 #1B1876 #2722A9 #3833D5

Accessibility & contrast

On white

14.60

#1B1876 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#1B1876 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B1876

14.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B1876	#FFFFFF	#000000	##FFFFFF
##1B1876	1.00	14.60	1.44	14.60
#FFFFFF	14.60	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D79

Deuteranopia (green-blind)

#002474

Tritanopia (blue-blind)

#003446

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1b1876;
/* rgb */ color: rgb(27, 24, 118);
/* oklch */ color: oklch(29.5% 0.152 273.3);

Tailwind

colors: {
  custom: {
    50: '#68579f',
    500: '#1b1876',
    950: '#000000',
  },
}

SCSS

$custom: #1b1876;
$custom-light: #68579f;
$custom-dark: #000000;

JSON

{
  "hex": "#1b1876",
  "rgb": {
    "r": 27,
    "g": 24,
    "b": 118
  },
  "hsl": {
    "h": 241.915,
    "s": 66.197,
    "l": 27.843
  },
  "oklch": {
    "l": 0.29488,
    "c": 0.15196,
    "h": 273.3
  },
  "luminance": 0.02194
}

Semantic roles & 50–950 ramp

primary

#1B1876

secondary

#A8AB3F

accent

#E93FE4

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030F

muted

#7A787E

Preview Lab

Preview with #1B1876

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

Preview Lab → · Contrast checker → · Palette generator →