#1B1A76#1B1A76

#1B1A76 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.8% C 0.150 H 273.0°. Best body text is #FFFFFF at 14.42:1 contrast (WCAG AA passes).

Color values

HEX	#1B1A76
RGB	rgb(27, 26, 118)
HSL	hsl(241, 64%, 28%)
HSV	hsv(241, 78%, 46%)
CMYK	cmyk(77.1%, 78%, 0%, 53.7%)
CIE-LAB	lab(16.89, 33.45, -51.74)
CIE-LCH	lch(16.89, 61.61, 302.88°)
OKLab	oklab(29.78% 0.0078 -0.1497)
OKLCH	oklch(29.78% 0.15 273)
XYZ	xyz(4.0903, 2.2794, 17.3604)
Luminance	0.0228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B1A76 #75761A

analogous

#1A4776 #1B1A76 #491A76

triadic

#1B1A76 #761B1A #1A761B

tetradic

#1B1A76 #761A47 #75761A #1A7649

square

#1B1A76 #761A47 #75761A #1A7649

split-complementary

#1B1A76 #76491A #47761A

monochromatic

#060619 #100F44 #1B1A76 #2625A8 #3937D3

Accessibility & contrast

On white

14.42

#1B1A76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#1B1A76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B1A76

14.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B1A76	#FFFFFF	#000000	##FFFFFF
##1B1A76	1.00	14.42	1.46	14.42
#FFFFFF	14.42	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E79

Deuteranopia (green-blind)

#002574

Tritanopia (blue-blind)

#003547

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1b1a76;
/* rgb */ color: rgb(27, 26, 118);
/* oklch */ color: oklch(29.8% 0.150 273.0);

Tailwind

colors: {
  custom: {
    50: '#68589f',
    500: '#1b1a76',
    950: '#000000',
  },
}

SCSS

$custom: #1b1a76;
$custom-light: #68589f;
$custom-dark: #000000;

JSON

{
  "hex": "#1b1a76",
  "rgb": {
    "r": 27,
    "g": 26,
    "b": 118
  },
  "hsl": {
    "h": 240.652,
    "s": 63.889,
    "l": 28.235
  },
  "oklch": {
    "l": 0.29782,
    "c": 0.14993,
    "h": 273
  },
  "luminance": 0.0228
}

Semantic roles & 50–950 ramp

primary

#1B1A76

secondary

#A9AB41

accent

#E741E5

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030F

muted

#7A787E

Preview Lab

Preview with #1B1A76

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

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