#191B7A#191B7A

#191B7A is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.3% C 0.155 H 271.5°. Best body text is #FFFFFF at 14.20:1 contrast (WCAG AA passes).

Color values

HEX	#191B7A
RGB	rgb(25, 27, 122)
HSL	hsl(239, 66%, 29%)
HSV	hsv(239, 80%, 48%)
CMYK	cmyk(79.5%, 77.9%, 0%, 52.2%)
CIE-LAB	lab(17.44, 34.09, -53.41)
CIE-LCH	lch(17.44, 63.36, 302.55°)
OKLab	oklab(30.27% 0.0041 -0.1546)
OKLCH	oklch(30.27% 0.155 271.5)
XYZ	xyz(4.3045, 2.3952, 18.6440)
Luminance	0.0240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191B7A #7A7819

analogous

#194C7A #191B7A #48197A

triadic

#191B7A #7A191B #1B7A19

tetradic

#191B7A #7A194C #7A7819 #197A48

square

#191B7A #7A194C #7A7819 #197A48

split-complementary

#191B7A #7A4819 #4C7A19

monochromatic

#050619 #0F1047 #191B7A #2326AD #373BD6

Accessibility & contrast

On white

14.20

#191B7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#191B7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191B7A

14.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191B7A	#FFFFFF	#000000	##FFFFFF
##191B7A	1.00	14.20	1.48	14.20
#FFFFFF	14.20	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307D

Deuteranopia (green-blind)

#002678

Tritanopia (blue-blind)

#003749

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #191b7a;
/* rgb */ color: rgb(25, 27, 122);
/* oklch */ color: oklch(30.3% 0.155 271.5);

Tailwind

colors: {
  custom: {
    50: '#6859a2',
    500: '#191b7a',
    950: '#000000',
  },
}

SCSS

$custom: #191b7a;
$custom-light: #6859a2;
$custom-dark: #000000;

JSON

{
  "hex": "#191b7a",
  "rgb": {
    "r": 25,
    "g": 27,
    "b": 122
  },
  "hsl": {
    "h": 238.763,
    "s": 65.986,
    "l": 28.824
  },
  "oklch": {
    "l": 0.30273,
    "c": 0.15467,
    "h": 271.5
  },
  "luminance": 0.02396
}

Semantic roles & 50–950 ramp

primary

#191B7A

secondary

#AFAC40

accent

#E53FE9

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #191B7A

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

Preview Lab → · Contrast checker → · Palette generator →