#1B1E89#1B1E89

#1B1E89 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.6% C 0.170 H 270.8°. Best body text is #FFFFFF at 13.18:1 contrast (WCAG AA passes).

Color values

HEX	#1B1E89
RGB	rgb(27, 30, 137)
HSL	hsl(238, 67%, 32%)
HSV	hsv(238, 80%, 54%)
CMYK	cmyk(80.3%, 78.1%, 0%, 46.3%)
CIE-LAB	lab(19.91, 37.78, -58.81)
CIE-LCH	lch(19.91, 69.90, 302.72°)
OKLab	oklab(32.57% 0.0024 -0.1703)
OKLCH	oklch(32.57% 0.17 270.8)
XYZ	xyz(5.4301, 2.9671, 23.9486)
Luminance	0.0297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B1E89 #89861B

analogous

#1B5589 #1B1E89 #4F1B89

triadic

#1B1E89 #891B1E #1E891B

tetradic

#1B1E89 #891B55 #89861B #1B894F

square

#1B1E89 #891B55 #89861B #1B894F

split-complementary

#1B1E89 #894F1B #55891B

monochromatic

#070823 #111356 #1B1E89 #2529BC #4448DA

Accessibility & contrast

On white

13.18

#1B1E89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1B1E89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B1E89

13.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B1E89	#FFFFFF	#000000	##FFFFFF
##1B1E89	1.00	13.18	1.59	13.18
#FFFFFF	13.18	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368C

Deuteranopia (green-blind)

#002B87

Tritanopia (blue-blind)

#003E52

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1b1e89;
/* rgb */ color: rgb(27, 30, 137);
/* oklch */ color: oklch(32.6% 0.170 270.8);

Tailwind

colors: {
  custom: {
    50: '#6d5bad',
    500: '#1b1e89',
    950: '#000000',
  },
}

SCSS

$custom: #1b1e89;
$custom-light: #6d5bad;
$custom-dark: #000000;

JSON

{
  "hex": "#1b1e89",
  "rgb": {
    "r": 27,
    "g": 30,
    "b": 137
  },
  "hsl": {
    "h": 238.364,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.32565,
    "c": 0.17032,
    "h": 270.8
  },
  "luminance": 0.02968
}

Semantic roles & 50–950 ramp

primary

#1B1E89

secondary

#BCB844

accent

#E53EEA

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1B1E89

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

Preview Lab → · Contrast checker → · Palette generator →