#191C5A#191C5A

#191C5A is a dark, moderate blue. Relative luminance 0.018; OKLCH L 27.0% C 0.109 H 274.3°. Best body text is #FFFFFF at 15.50:1 contrast (WCAG AA passes).

Color values

HEX	#191C5A
RGB	rgb(25, 28, 90)
HSL	hsl(237, 57%, 23%)
HSV	hsv(237, 72%, 35%)
CMYK	cmyk(72.2%, 68.9%, 0%, 64.7%)
CIE-LAB	lab(14.26, 21.39, -37.68)
CIE-LCH	lch(14.26, 43.33, 299.59°)
OKLab	oklab(26.96% 0.0081 -0.1087)
OKLCH	oklch(26.96% 0.109 274.3)
XYZ	xyz(2.6610, 1.7751, 9.8733)
Luminance	0.0177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191C5A #5A5719

analogous

#193C5A #191C5A #37195A

triadic

#191C5A #5A191C #1C5A19

tetradic

#191C5A #5A193C #5A5719 #195A37

square

#191C5A #5A193C #5A5719 #195A37

split-complementary

#191C5A #5A3719 #3C5A19

monochromatic

#070718 #0C0D2A #191C5A #262B8A #343ABA

Accessibility & contrast

On white

15.50

#191C5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#191C5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191C5A

15.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191C5A	#FFFFFF	#000000	##FFFFFF
##191C5A	1.00	15.50	1.36	15.50
#FFFFFF	15.50	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275C

Deuteranopia (green-blind)

#002159

Tritanopia (blue-blind)

#002C38

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #191c5a;
/* rgb */ color: rgb(25, 28, 90);
/* oklch */ color: oklch(27.0% 0.109 274.3);

Tailwind

colors: {
  custom: {
    50: '#605889',
    500: '#191c5a',
    950: '#000000',
  },
}

SCSS

$custom: #191c5a;
$custom-light: #605889;
$custom-dark: #000000;

JSON

{
  "hex": "#191c5a",
  "rgb": {
    "r": 25,
    "g": 28,
    "b": 90
  },
  "hsl": {
    "h": 237.231,
    "s": 56.522,
    "l": 22.549
  },
  "oklch": {
    "l": 0.26956,
    "c": 0.10902,
    "h": 274.3
  },
  "luminance": 0.01775
}

Semantic roles & 50–950 ramp

primary

#191C5A

secondary

#908D3E

accent

#D948E0

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #191C5A

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

Preview Lab → · Contrast checker → · Palette generator →