#1B2087#1B2087

#1B2087 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.6% C 0.166 H 270.7°. Best body text is #FFFFFF at 13.10:1 contrast (WCAG AA passes).

Color values

HEX	#1B2087
RGB	rgb(27, 32, 135)
HSL	hsl(237, 67%, 32%)
HSV	hsv(237, 80%, 53%)
CMYK	cmyk(80%, 76.3%, 0%, 47.1%)
CIE-LAB	lab(20.10, 35.89, -57.24)
CIE-LCH	lch(20.10, 67.56, 302.09°)
OKLab	oklab(32.63% 0.002 -0.1658)
OKLCH	oklch(32.63% 0.166 270.7)
XYZ	xyz(5.3402, 3.0147, 23.2174)
Luminance	0.0301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2087 #87821B

analogous

#1B5687 #1B2087 #4C1B87

triadic

#1B2087 #871B20 #20871B

tetradic

#1B2087 #871B56 #87821B #1B874C

square

#1B2087 #871B56 #87821B #1B874C

split-complementary

#1B2087 #874C1B #56871B

monochromatic

#070821 #111454 #1B2087 #252CBA #434AD9

Accessibility & contrast

On white

13.10

#1B2087 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1B2087 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2087

13.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2087	#FFFFFF	#000000	##FFFFFF
##1B2087	1.00	13.10	1.60	13.10
#FFFFFF	13.10	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368A

Deuteranopia (green-blind)

#002B85

Tritanopia (blue-blind)

#003E52

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1b2087;
/* rgb */ color: rgb(27, 32, 135);
/* oklch */ color: oklch(32.6% 0.166 270.7);

Tailwind

colors: {
  custom: {
    50: '#6c5dab',
    500: '#1b2087',
    950: '#000000',
  },
}

SCSS

$custom: #1b2087;
$custom-light: #6c5dab;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2087",
  "rgb": {
    "r": 27,
    "g": 32,
    "b": 135
  },
  "hsl": {
    "h": 237.222,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.32633,
    "c": 0.16577,
    "h": 270.7
  },
  "luminance": 0.03015
}

Semantic roles & 50–950 ramp

primary

#1B2087

secondary

#BAB544

accent

#E23EEA

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1B2087

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

Preview Lab → · Contrast checker → · Palette generator →