#191F5D#191F5D

#191F5D is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.9% C 0.109 H 272.8°. Best body text is #FFFFFF at 15.05:1 contrast (WCAG AA passes).

Color values

HEX	#191F5D
RGB	rgb(25, 31, 93)
HSL	hsl(235, 58%, 23%)
HSV	hsv(235, 73%, 36%)
CMYK	cmyk(73.1%, 66.7%, 0%, 63.5%)
CIE-LAB	lab(15.36, 20.43, -37.88)
CIE-LCH	lch(15.36, 43.04, 298.34°)
OKLab	oklab(27.86% 0.0053 -0.1093)
OKLCH	oklch(27.86% 0.109 272.8)
XYZ	xyz(2.8660, 1.9767, 10.5843)
Luminance	0.0198 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191F5D #5D5719

analogous

#19415D #191F5D #35195D

triadic

#191F5D #5D191F #1F5D19

tetradic

#191F5D #5D1941 #5D5719 #195D35

square

#191F5D #5D1941 #5D5719 #195D35

split-complementary

#191F5D #5D3519 #415D19

monochromatic

#060818 #0C0F2D #191F5D #262F8D #333FBD

Accessibility & contrast

On white

15.05

#191F5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#191F5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191F5D

15.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191F5D	#FFFFFF	#000000	##FFFFFF
##191F5D	1.00	15.05	1.40	15.05
#FFFFFF	15.05	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A5F

Deuteranopia (green-blind)

#00235C

Tritanopia (blue-blind)

#002F3A

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #191f5d;
/* rgb */ color: rgb(25, 31, 93);
/* oklch */ color: oklch(27.9% 0.109 272.8);

Tailwind

colors: {
  custom: {
    50: '#605a8c',
    500: '#191f5d',
    950: '#000000',
  },
}

SCSS

$custom: #191f5d;
$custom-light: #605a8c;
$custom-dark: #000000;

JSON

{
  "hex": "#191f5d",
  "rgb": {
    "r": 25,
    "g": 31,
    "b": 93
  },
  "hsl": {
    "h": 234.706,
    "s": 57.627,
    "l": 23.137
  },
  "oklch": {
    "l": 0.27855,
    "c": 0.10942,
    "h": 272.8
  },
  "luminance": 0.01977
}

Semantic roles & 50–950 ramp

primary

#191F5D

secondary

#938C3F

accent

#D347E1

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05040C

muted

#7A797D

Preview Lab

Preview with #191F5D

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

Preview Lab → · Contrast checker → · Palette generator →