#191B7D#191B7D

#191B7D is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.6% C 0.159 H 271.3°. Best body text is #FFFFFF at 14.05:1 contrast (WCAG AA passes).

Color values

HEX	#191B7D
RGB	rgb(25, 27, 125)
HSL	hsl(239, 67%, 29%)
HSV	hsv(239, 80%, 49%)
CMYK	cmyk(80%, 78.4%, 0%, 51%)
CIE-LAB	lab(17.79, 35.16, -54.75)
CIE-LCH	lch(17.79, 65.07, 302.71°)
OKLab	oklab(30.62% 0.0035 -0.1585)
OKLCH	oklch(30.62% 0.159 271.3)
XYZ	xyz(4.4933, 2.4707, 19.6381)
Luminance	0.0247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191B7D #7D7B19

analogous

#194D7D #191B7D #49197D

triadic

#191B7D #7D191B #1B7D19

tetradic

#191B7D #7D194D #7D7B19 #197D49

square

#191B7D #7D194D #7D7B19 #197D49

split-complementary

#191B7D #7D4919 #4D7D19

monochromatic

#05061A #0F104A #191B7D #2326B0 #393CD7

Accessibility & contrast

On white

14.05

#191B7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#191B7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191B7D

14.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191B7D	#FFFFFF	#000000	##FFFFFF
##191B7D	1.00	14.05	1.49	14.05
#FFFFFF	14.05	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003080

Deuteranopia (green-blind)

#00267B

Tritanopia (blue-blind)

#00384B

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #191b7d;
/* rgb */ color: rgb(25, 27, 125);
/* oklch */ color: oklch(30.6% 0.159 271.3);

Tailwind

colors: {
  custom: {
    50: '#6959a4',
    500: '#191b7d',
    950: '#000000',
  },
}

SCSS

$custom: #191b7d;
$custom-light: #6959a4;
$custom-dark: #000000;

JSON

{
  "hex": "#191b7d",
  "rgb": {
    "r": 25,
    "g": 27,
    "b": 125
  },
  "hsl": {
    "h": 238.8,
    "s": 66.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.30622,
    "c": 0.15856,
    "h": 271.3
  },
  "luminance": 0.02471
}

Semantic roles & 50–950 ramp

primary

#191B7D

secondary

#B1AF40

accent

#E63EEA

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #191B7D

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

Preview Lab → · Contrast checker → · Palette generator →