#1B2089#1B2089

#1B2089 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.9% C 0.168 H 270.6°. Best body text is #FFFFFF at 13.01:1 contrast (WCAG AA passes).

Color values

HEX	#1B2089
RGB	rgb(27, 32, 137)
HSL	hsl(237, 67%, 32%)
HSV	hsv(237, 80%, 54%)
CMYK	cmyk(80.3%, 76.6%, 0%, 46.3%)
CIE-LAB	lab(20.33, 36.60, -58.12)
CIE-LCH	lch(20.33, 68.68, 302.20°)
OKLab	oklab(32.86% 0.0016 -0.1683)
OKLCH	oklch(32.86% 0.168 270.6)
XYZ	xyz(5.4823, 3.0716, 23.9660)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2089 #89841B

analogous

#1B5789 #1B2089 #4D1B89

triadic

#1B2089 #891B20 #20891B

tetradic

#1B2089 #891B57 #89841B #1B894D

square

#1B2089 #891B57 #89841B #1B894D

split-complementary

#1B2089 #894D1B #57891B

monochromatic

#070823 #111456 #1B2089 #252CBC #444BDA

Accessibility & contrast

On white

13.01

#1B2089 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1B2089 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2089

13.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2089	#FFFFFF	#000000	##FFFFFF
##1B2089	1.00	13.01	1.61	13.01
#FFFFFF	13.01	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368C

Deuteranopia (green-blind)

#002B87

Tritanopia (blue-blind)

#003F53

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1b2089;
/* rgb */ color: rgb(27, 32, 137);
/* oklch */ color: oklch(32.9% 0.168 270.6);

Tailwind

colors: {
  custom: {
    50: '#6d5dad',
    500: '#1b2089',
    950: '#000000',
  },
}

SCSS

$custom: #1b2089;
$custom-light: #6d5dad;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2089",
  "rgb": {
    "r": 27,
    "g": 32,
    "b": 137
  },
  "hsl": {
    "h": 237.273,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.3286,
    "c": 0.16833,
    "h": 270.6
  },
  "luminance": 0.03072
}

Semantic roles & 50–950 ramp

primary

#1B2089

secondary

#BCB644

accent

#E23EEA

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1B2089

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

Preview Lab → · Contrast checker → · Palette generator →