#191D8F#191D8F

#191D8F is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.0% C 0.179 H 269.8°. Best body text is #FFFFFF at 13.01:1 contrast (WCAG AA passes).

Color values

HEX	#191D8F
RGB	rgb(25, 29, 143)
HSL	hsl(238, 70%, 33%)
HSV	hsv(238, 83%, 56%)
CMYK	cmyk(82.5%, 79.7%, 0%, 43.9%)
CIE-LAB	lab(20.31, 40.28, -61.89)
CIE-LCH	lch(20.31, 73.85, 303.06°)
OKLab	oklab(33.03% -0.0006 -0.1793)
OKLCH	oklch(33.03% 0.179 269.8)
XYZ	xyz(5.7965, 3.0679, 26.2679)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191D8F #8F8B19

analogous

#19588F #191D8F #50198F

triadic

#191D8F #8F191D #1D8F19

tetradic

#191D8F #8F1958 #8F8B19 #198F50

square

#191D8F #8F1958 #8F8B19 #198F50

split-complementary

#191D8F #8F5019 #588F19

monochromatic

#070827 #10125B #191D8F #2228C3 #4449DE

Accessibility & contrast

On white

13.01

#191D8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#191D8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191D8F

13.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191D8F	#FFFFFF	#000000	##FFFFFF
##191D8F	1.00	13.01	1.61	13.01
#FFFFFF	13.01	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003792

Deuteranopia (green-blind)

#002B8D

Tritanopia (blue-blind)

#004056

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #191d8f;
/* rgb */ color: rgb(25, 29, 143);
/* oklch */ color: oklch(33.0% 0.179 269.8);

Tailwind

colors: {
  custom: {
    50: '#6e5bb1',
    500: '#191d8f',
    950: '#000000',
  },
}

SCSS

$custom: #191d8f;
$custom-light: #6e5bb1;
$custom-dark: #000000;

JSON

{
  "hex": "#191d8f",
  "rgb": {
    "r": 25,
    "g": 29,
    "b": 143
  },
  "hsl": {
    "h": 237.966,
    "s": 70.238,
    "l": 32.941
  },
  "oklch": {
    "l": 0.33026,
    "c": 0.17927,
    "h": 269.8
  },
  "luminance": 0.03069
}

Semantic roles & 50–950 ramp

primary

#191D8F

secondary

#BFBB44

accent

#E73BED

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #191D8F

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

Preview Lab → · Contrast checker → · Palette generator →