#191B56#191B56

#191B56 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.4% C 0.104 H 275.1°. Best body text is #FFFFFF at 15.76:1 contrast (WCAG AA passes).

Color values

HEX	#191B56
RGB	rgb(25, 27, 86)
HSL	hsl(238, 55%, 22%)
HSV	hsv(238, 71%, 34%)
CMYK	cmyk(70.9%, 68.6%, 0%, 66.3%)
CIE-LAB	lab(13.60, 20.54, -36.06)
CIE-LCH	lch(13.60, 41.49, 299.66°)
OKLab	oklab(26.36% 0.0093 -0.104)
OKLCH	oklch(26.36% 0.104 275.1)
XYZ	xyz(2.4720, 1.6622, 8.9929)
Luminance	0.0166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191B56 #565419

analogous

#193A56 #191B56 #361956

triadic

#191B56 #56191B #1B5619

tetradic

#191B56 #56193A #565419 #195636

square

#191B56 #56193A #565419 #195636

split-complementary

#191B56 #563619 #3A5619

monochromatic

#070718 #0B0C27 #191B56 #272A85 #3539B5

Accessibility & contrast

On white

15.76

#191B56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#191B56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191B56

15.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191B56	#FFFFFF	#000000	##FFFFFF
##191B56	1.00	15.76	1.33	15.76
#FFFFFF	15.76	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002658

Deuteranopia (green-blind)

#002055

Tritanopia (blue-blind)

#002A35

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #191b56;
/* rgb */ color: rgb(25, 27, 86);
/* oklch */ color: oklch(26.4% 0.104 275.1);

Tailwind

colors: {
  custom: {
    50: '#5f5786',
    500: '#191b56',
    950: '#000000',
  },
}

SCSS

$custom: #191b56;
$custom-light: #5f5786;
$custom-dark: #000000;

JSON

{
  "hex": "#191b56",
  "rgb": {
    "r": 25,
    "g": 27,
    "b": 86
  },
  "hsl": {
    "h": 238.033,
    "s": 54.955,
    "l": 21.765
  },
  "oklch": {
    "l": 0.26357,
    "c": 0.10437,
    "h": 275.1
  },
  "luminance": 0.01662
}

Semantic roles & 50–950 ramp

primary

#191B56

secondary

#8C8A3E

accent

#D94ADE

background

#F5F5F8

surface

#EAE9EF

border

#C6C5CA

text

#05030B

muted

#79787C

Preview Lab

Preview with #191B56

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

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