#191B75#191B75

#191B75 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.7% C 0.148 H 271.9°. Best body text is #FFFFFF at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#191B75
RGB	rgb(25, 27, 117)
HSL	hsl(239, 65%, 28%)
HSV	hsv(239, 79%, 46%)
CMYK	cmyk(78.6%, 76.9%, 0%, 54.1%)
CIE-LAB	lab(16.87, 32.29, -51.14)
CIE-LCH	lch(16.87, 60.48, 302.27°)
OKLab	oklab(29.7% 0.005 -0.148)
OKLCH	oklch(29.7% 0.148 271.9)
XYZ	xyz(4.0026, 2.2745, 17.0542)
Luminance	0.0227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191B75 #757319

analogous

#194975 #191B75 #451975

triadic

#191B75 #75191B #1B7519

tetradic

#191B75 #751949 #757319 #197545

square

#191B75 #751949 #757319 #197545

split-complementary

#191B75 #754519 #497519

monochromatic

#050619 #0E0F43 #191B75 #2427A7 #3538D4

Accessibility & contrast

On white

14.43

#191B75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#191B75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191B75

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191B75	#FFFFFF	#000000	##FFFFFF
##191B75	1.00	14.43	1.46	14.43
#FFFFFF	14.43	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E78

Deuteranopia (green-blind)

#002573

Tritanopia (blue-blind)

#003546

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #191b75;
/* rgb */ color: rgb(25, 27, 117);
/* oklch */ color: oklch(29.7% 0.148 271.9);

Tailwind

colors: {
  custom: {
    50: '#67589e',
    500: '#191b75',
    950: '#000000',
  },
}

SCSS

$custom: #191b75;
$custom-light: #67589e;
$custom-dark: #000000;

JSON

{
  "hex": "#191b75",
  "rgb": {
    "r": 25,
    "g": 27,
    "b": 117
  },
  "hsl": {
    "h": 238.696,
    "s": 64.789,
    "l": 27.843
  },
  "oklch": {
    "l": 0.29698,
    "c": 0.14812,
    "h": 271.9
  },
  "luminance": 0.02275
}

Semantic roles & 50–950 ramp

primary

#191B75

secondary

#AAA840

accent

#E440E8

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #191B75

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

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