#191B6C#191B6C

#191B6C is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.7% C 0.136 H 272.8°. Best body text is #FFFFFF at 14.85:1 contrast (WCAG AA passes).

Color values

HEX	#191B6C
RGB	rgb(25, 27, 108)
HSL	hsl(239, 62%, 26%)
HSV	hsv(239, 77%, 42%)
CMYK	cmyk(76.9%, 75%, 0%, 57.6%)
CIE-LAB	lab(15.87, 28.98, -46.96)
CIE-LCH	lch(15.87, 55.18, 301.68°)
OKLab	oklab(28.68% 0.0066 -0.1358)
OKLCH	oklch(28.68% 0.136 272.8)
XYZ	xyz(3.4987, 2.0729, 14.4002)
Luminance	0.0207 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191B6C #6C6A19

analogous

#19446C #191B6C #40196C

triadic

#191B6C #6C191B #1B6C19

tetradic

#191B6C #6C1944 #6C6A19 #196C40

square

#191B6C #6C1944 #6C6A19 #196C40

split-complementary

#191B6C #6C4019 #446C19

monochromatic

#060619 #0D0F3A #191B6C #25279E #3034CF

Accessibility & contrast

On white

14.85

#191B6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#191B6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191B6C

14.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191B6C	#FFFFFF	#000000	##FFFFFF
##191B6C	1.00	14.85	1.41	14.85
#FFFFFF	14.85	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B6E

Deuteranopia (green-blind)

#00236B

Tritanopia (blue-blind)

#003241

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #191b6c;
/* rgb */ color: rgb(25, 27, 108);
/* oklch */ color: oklch(28.7% 0.136 272.8);

Tailwind

colors: {
  custom: {
    50: '#655897',
    500: '#191b6c',
    950: '#000000',
  },
}

SCSS

$custom: #191b6c;
$custom-light: #655897;
$custom-dark: #000000;

JSON

{
  "hex": "#191b6c",
  "rgb": {
    "r": 25,
    "g": 27,
    "b": 108
  },
  "hsl": {
    "h": 238.554,
    "s": 62.406,
    "l": 26.078
  },
  "oklch": {
    "l": 0.28684,
    "c": 0.13601,
    "h": 272.8
  },
  "luminance": 0.02073
}

Semantic roles & 50–950 ramp

primary

#191B6C

secondary

#A19F3F

accent

#E242E5

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #191B6C

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

Preview Lab → · Contrast checker → · Palette generator →