#191F5E#191F5E

#191F5E is a dark, moderate blue. Relative luminance 0.020; OKLCH L 28.0% C 0.111 H 272.7°. Best body text is #FFFFFF at 15.01:1 contrast (WCAG AA passes).

Color values

HEX	#191F5E
RGB	rgb(25, 31, 94)
HSL	hsl(235, 58%, 23%)
HSV	hsv(235, 73%, 37%)
CMYK	cmyk(73.4%, 67%, 0%, 63.1%)
CIE-LAB	lab(15.46, 20.83, -38.40)
CIE-LCH	lch(15.46, 43.68, 298.48°)
OKLab	oklab(27.95% 0.0052 -0.1108)
OKLCH	oklch(27.95% 0.111 272.7)
XYZ	xyz(2.9106, 1.9945, 10.8191)
Luminance	0.0199 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191F5E #5E5819

analogous

#19415E #191F5E #35195E

triadic

#191F5E #5E191F #1F5E19

tetradic

#191F5E #5E1941 #5E5819 #195E35

square

#191F5E #5E1941 #5E5819 #195E35

split-complementary

#191F5E #5E3519 #415E19

monochromatic

#060818 #0C0F2E #191F5E #262F8E #333FBF

Accessibility & contrast

On white

15.01

#191F5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#191F5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191F5E

15.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191F5E	#FFFFFF	#000000	##FFFFFF
##191F5E	1.00	15.01	1.40	15.01
#FFFFFF	15.01	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A60

Deuteranopia (green-blind)

#00245D

Tritanopia (blue-blind)

#002F3B

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #191f5e;
/* rgb */ color: rgb(25, 31, 94);
/* oklch */ color: oklch(28.0% 0.111 272.7);

Tailwind

colors: {
  custom: {
    50: '#605a8c',
    500: '#191f5e',
    950: '#000000',
  },
}

SCSS

$custom: #191f5e;
$custom-light: #605a8c;
$custom-dark: #000000;

JSON

{
  "hex": "#191f5e",
  "rgb": {
    "r": 25,
    "g": 31,
    "b": 94
  },
  "hsl": {
    "h": 234.783,
    "s": 57.983,
    "l": 23.333
  },
  "oklch": {
    "l": 0.27954,
    "c": 0.11091,
    "h": 272.7
  },
  "luminance": 0.01995
}

Semantic roles & 50–950 ramp

primary

#191F5E

secondary

#948D3F

accent

#D447E1

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05040C

muted

#7A797D

Preview Lab

Preview with #191F5E

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

Preview Lab → · Contrast checker → · Palette generator →