#1B2097#1B2097

#1B2097 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.5% C 0.186 H 269.7°. Best body text is #FFFFFF at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#1B2097
RGB	rgb(27, 32, 151)
HSL	hsl(238, 70%, 35%)
HSV	hsv(238, 82%, 59%)
CMYK	cmyk(82.1%, 78.8%, 0%, 40.8%)
CIE-LAB	lab(21.94, 41.47, -64.15)
CIE-LCH	lch(21.94, 76.38, 302.88°)
OKLab	oklab(34.48% -0.0008 -0.1858)
OKLCH	oklch(34.48% 0.186 269.7)
XYZ	xyz(6.5525, 3.4996, 29.6023)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2097 #97921B

analogous

#1B5E97 #1B2097 #541B97

triadic

#1B2097 #971B20 #20971B

tetradic

#1B2097 #971B5E #97921B #1B9754

square

#1B2097 #971B5E #97921B #1B9754

split-complementary

#1B2097 #97541B #5E971B

monochromatic

#080A2F #121563 #1B2097 #242BCB #4D53DF

Accessibility & contrast

On white

12.35

#1B2097 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1B2097 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2097

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2097	#FFFFFF	#000000	##FFFFFF
##1B2097	1.00	12.35	1.70	12.35
#FFFFFF	12.35	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B9A

Deuteranopia (green-blind)

#002E95

Tritanopia (blue-blind)

#00445B

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1b2097;
/* rgb */ color: rgb(27, 32, 151);
/* oklch */ color: oklch(34.5% 0.186 269.7);

Tailwind

colors: {
  custom: {
    50: '#705db7',
    500: '#1b2097',
    950: '#000000',
  },
}

SCSS

$custom: #1b2097;
$custom-light: #705db7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2097",
  "rgb": {
    "r": 27,
    "g": 32,
    "b": 151
  },
  "hsl": {
    "h": 237.581,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.34476,
    "c": 0.1858,
    "h": 269.7
  },
  "luminance": 0.035
}

Semantic roles & 50–950 ramp

primary

#1B2097

secondary

#C1BD4C

accent

#E53BEC

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1B2097

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

Preview Lab → · Contrast checker → · Palette generator →