#1B196E#1B196E

#1B196E is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.7% C 0.140 H 274.1°. Best body text is #FFFFFF at 14.89:1 contrast (WCAG AA passes).

Color values

HEX	#1B196E
RGB	rgb(27, 25, 110)
HSL	hsl(241, 63%, 26%)
HSV	hsv(241, 77%, 43%)
CMYK	cmyk(75.5%, 77.3%, 0%, 56.9%)
CIE-LAB	lab(15.77, 31.20, -48.42)
CIE-LCH	lch(15.77, 57.60, 302.79°)
OKLab	oklab(28.72% 0.0099 -0.14)
OKLCH	oklch(28.72% 0.14 274.1)
XYZ	xyz(3.6132, 2.0537, 14.9548)
Luminance	0.0205 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B196E #6C6E19

analogous

#19426E #1B196E #46196E

triadic

#1B196E #6E1B19 #196E1B

tetradic

#1B196E #6E1942 #6C6E19 #196E46

square

#1B196E #6E1942 #6C6E19 #196E46

split-complementary

#1B196E #6E4619 #426E19

monochromatic

#060619 #0F0E3C #1B196E #2724A0 #3531D0

Accessibility & contrast

On white

14.89

#1B196E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#1B196E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B196E

14.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B196E	#FFFFFF	#000000	##FFFFFF
##1B196E	1.00	14.89	1.41	14.89
#FFFFFF	14.89	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B70

Deuteranopia (green-blind)

#00236C

Tritanopia (blue-blind)

#003142

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #1b196e;
/* rgb */ color: rgb(27, 25, 110);
/* oklch */ color: oklch(28.7% 0.140 274.1);

Tailwind

colors: {
  custom: {
    50: '#665799',
    500: '#1b196e',
    950: '#000000',
  },
}

SCSS

$custom: #1b196e;
$custom-light: #665799;
$custom-dark: #000000;

JSON

{
  "hex": "#1b196e",
  "rgb": {
    "r": 27,
    "g": 25,
    "b": 110
  },
  "hsl": {
    "h": 241.412,
    "s": 62.963,
    "l": 26.471
  },
  "oklch": {
    "l": 0.28716,
    "c": 0.1404,
    "h": 274.1
  },
  "luminance": 0.02054
}

Semantic roles & 50–950 ramp

primary

#1B196E

secondary

#A1A33F

accent

#E642E2

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1B196E

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

Preview Lab → · Contrast checker → · Palette generator →