#191B90#191B90

#191B90 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.9% C 0.182 H 269.9°. Best body text is #FFFFFF at 13.12:1 contrast (WCAG AA passes).

Color values

HEX	#191B90
RGB	rgb(25, 27, 144)
HSL	hsl(239, 70%, 33%)
HSV	hsv(239, 83%, 56%)
CMYK	cmyk(82.6%, 81.3%, 0%, 43.5%)
CIE-LAB	lab(20.06, 41.71, -62.94)
CIE-LCH	lch(20.06, 75.51, 303.53°)
OKLab	oklab(32.88% -0.0003 -0.1823)
OKLCH	oklch(32.88% 0.182 269.9)
XYZ	xyz(5.8252, 3.0035, 26.6529)
Luminance	0.0300 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191B90 #908E19

analogous

#195690 #191B90 #531990

triadic

#191B90 #90191B #1B9019

tetradic

#191B90 #901956 #908E19 #199053

square

#191B90 #901956 #908E19 #199053

split-complementary

#191B90 #905319 #569019

monochromatic

#070728 #10115C #191B90 #2225C4 #4547DF

Accessibility & contrast

On white

13.12

#191B90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#191B90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191B90

13.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191B90	#FFFFFF	#000000	##FFFFFF
##191B90	1.00	13.12	1.60	13.12
#FFFFFF	13.12	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003693

Deuteranopia (green-blind)

#002A8E

Tritanopia (blue-blind)

#004056

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #191b90;
/* rgb */ color: rgb(25, 27, 144);
/* oklch */ color: oklch(32.9% 0.182 269.9);

Tailwind

colors: {
  custom: {
    50: '#6e5ab2',
    500: '#191b90',
    950: '#000000',
  },
}

SCSS

$custom: #191b90;
$custom-light: #6e5ab2;
$custom-dark: #000000;

JSON

{
  "hex": "#191b90",
  "rgb": {
    "r": 25,
    "g": 27,
    "b": 144
  },
  "hsl": {
    "h": 238.992,
    "s": 70.414,
    "l": 33.137
  },
  "oklch": {
    "l": 0.32882,
    "c": 0.18227,
    "h": 269.9
  },
  "luminance": 0.03004
}

Semantic roles & 50–950 ramp

primary

#191B90

secondary

#C0BE45

accent

#EA3BED

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #191B90

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

Preview Lab → · Contrast checker → · Palette generator →