#1B196C#1B196C

#1B196C is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.5% C 0.138 H 274.3°. Best body text is #FFFFFF at 14.98:1 contrast (WCAG AA passes).

Color values

HEX	#1B196C
RGB	rgb(27, 25, 108)
HSL	hsl(241, 62%, 26%)
HSV	hsv(241, 77%, 42%)
CMYK	cmyk(75%, 76.9%, 0%, 57.6%)
CIE-LAB	lab(15.54, 30.47, -47.48)
CIE-LCH	lch(15.54, 56.42, 302.69°)
OKLab	oklab(28.49% 0.0103 -0.1373)
OKLCH	oklch(28.49% 0.138 274.3)
XYZ	xyz(3.5055, 2.0106, 14.3878)
Luminance	0.0201 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B196C #6A6C19

analogous

#19406C #1B196C #44196C

triadic

#1B196C #6C1B19 #196C1B

tetradic

#1B196C #6C1940 #6A6C19 #196C44

square

#1B196C #6C1940 #6A6C19 #196C44

split-complementary

#1B196C #6C4419 #406C19

monochromatic

#060619 #0F0D3A #1B196C #27259E #3430CF

Accessibility & contrast

On white

14.98

#1B196C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#1B196C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B196C

14.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B196C	#FFFFFF	#000000	##FFFFFF
##1B196C	1.00	14.98	1.40	14.98
#FFFFFF	14.98	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B6E

Deuteranopia (green-blind)

#00236B

Tritanopia (blue-blind)

#003141

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #1b196c;
/* rgb */ color: rgb(27, 25, 108);
/* oklch */ color: oklch(28.5% 0.138 274.3);

Tailwind

colors: {
  custom: {
    50: '#665797',
    500: '#1b196c',
    950: '#000000',
  },
}

SCSS

$custom: #1b196c;
$custom-light: #665797;
$custom-dark: #000000;

JSON

{
  "hex": "#1b196c",
  "rgb": {
    "r": 27,
    "g": 25,
    "b": 108
  },
  "hsl": {
    "h": 241.446,
    "s": 62.406,
    "l": 26.078
  },
  "oklch": {
    "l": 0.2849,
    "c": 0.13771,
    "h": 274.3
  },
  "luminance": 0.02011
}

Semantic roles & 50–950 ramp

primary

#1B196C

secondary

#9FA13F

accent

#E542E2

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1B196C

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

Preview Lab → · Contrast checker → · Palette generator →