#191B80#191B80

#191B80 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 31.0% C 0.162 H 271.0°. Best body text is #FFFFFF at 13.91:1 contrast (WCAG AA passes).

Color values

HEX	#191B80
RGB	rgb(25, 27, 128)
HSL	hsl(239, 67%, 30%)
HSV	hsv(239, 80%, 50%)
CMYK	cmyk(80.5%, 78.9%, 0%, 49.8%)
CIE-LAB	lab(18.14, 36.22, -56.08)
CIE-LCH	lch(18.14, 66.76, 302.86°)
OKLab	oklab(30.97% 0.0029 -0.1624)
OKLCH	oklch(30.97% 0.162 271)
XYZ	xyz(4.6878, 2.5485, 20.6627)
Luminance	0.0255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191B80 #807E19

analogous

#194E80 #191B80 #4B1980

triadic

#191B80 #80191B #1B8019

tetradic

#191B80 #80194E #807E19 #19804B

square

#191B80 #80194E #807E19 #19804B

split-complementary

#191B80 #804B19 #4E8019

monochromatic

#05051A #0F104D #191B80 #2326B3 #3B3ED9

Accessibility & contrast

On white

13.91

#191B80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#191B80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191B80

13.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191B80	#FFFFFF	#000000	##FFFFFF
##191B80	1.00	13.91	1.51	13.91
#FFFFFF	13.91	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003183

Deuteranopia (green-blind)

#00277E

Tritanopia (blue-blind)

#00394C

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #191b80;
/* rgb */ color: rgb(25, 27, 128);
/* oklch */ color: oklch(31.0% 0.162 271.0);

Tailwind

colors: {
  custom: {
    50: '#6a59a6',
    500: '#191b80',
    950: '#000000',
  },
}

SCSS

$custom: #191b80;
$custom-light: #6a59a6;
$custom-dark: #000000;

JSON

{
  "hex": "#191b80",
  "rgb": {
    "r": 25,
    "g": 27,
    "b": 128
  },
  "hsl": {
    "h": 238.835,
    "s": 67.32,
    "l": 30
  },
  "oklch": {
    "l": 0.30973,
    "c": 0.1624,
    "h": 271
  },
  "luminance": 0.02549
}

Semantic roles & 50–950 ramp

primary

#191B80

secondary

#B4B241

accent

#E73EEA

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #191B80

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

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