#1B1A67#1B1A67

#1B1A67 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.1% C 0.130 H 274.7°. Best body text is #FFFFFF at 15.11:1 contrast (WCAG AA passes).

Color values

HEX	#1B1A67
RGB	rgb(27, 26, 103)
HSL	hsl(241, 60%, 25%)
HSV	hsv(241, 75%, 40%)
CMYK	cmyk(73.8%, 74.8%, 0%, 59.6%)
CIE-LAB	lab(15.23, 28.00, -44.73)
CIE-LCH	lch(15.23, 52.77, 302.05°)
OKLab	oklab(28.1% 0.0106 -0.1293)
OKLCH	oklch(28.1% 0.13 274.7)
XYZ	xyz(3.2688, 1.9508, 13.0336)
Luminance	0.0195 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B1A67 #66671A

analogous

#1A3F67 #1B1A67 #411A67

triadic

#1B1A67 #671B1A #1A671B

tetradic

#1B1A67 #671A3F #66671A #1A6741

square

#1B1A67 #671A3F #66671A #1A6741

split-complementary

#1B1A67 #67411A #3F671A

monochromatic

#060618 #0E0E36 #1B1A67 #282698 #3533C9

Accessibility & contrast

On white

15.11

#1B1A67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#1B1A67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B1A67

15.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B1A67	#FFFFFF	#000000	##FFFFFF
##1B1A67	1.00	15.11	1.39	15.11
#FFFFFF	15.11	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A69

Deuteranopia (green-blind)

#002366

Tritanopia (blue-blind)

#002F3E

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1b1a67;
/* rgb */ color: rgb(27, 26, 103);
/* oklch */ color: oklch(28.1% 0.130 274.7);

Tailwind

colors: {
  custom: {
    50: '#645793',
    500: '#1b1a67',
    950: '#000000',
  },
}

SCSS

$custom: #1b1a67;
$custom-light: #645793;
$custom-dark: #000000;

JSON

{
  "hex": "#1b1a67",
  "rgb": {
    "r": 27,
    "g": 26,
    "b": 103
  },
  "hsl": {
    "h": 240.779,
    "s": 59.69,
    "l": 25.294
  },
  "oklch": {
    "l": 0.281,
    "c": 0.12972,
    "h": 274.7
  },
  "luminance": 0.01951
}

Semantic roles & 50–950 ramp

primary

#1B1A67

secondary

#9B9D40

accent

#E345E1

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #1B1A67

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

Preview Lab → · Contrast checker → · Palette generator →