#191B35#191B35

#191B35 is a very dark, muted blue. Relative luminance 0.012; OKLCH L 23.5% C 0.050 H 278.5°. Best body text is #FFFFFF at 16.81:1 contrast (WCAG AA passes).

Color values

HEX#191B35
RGBrgb(25, 27, 53)
HSLhsl(236, 36%, 15%)
HSVhsv(236, 53%, 21%)
CMYKcmyk(52.8%, 49.1%, 0%, 79.2%)
CIE-LABlab(10.90, 7.62, -17.40)
CIE-LCHlch(10.90, 19.00, 293.65°)
OKLaboklab(23.48% 0.0074 -0.0492)
OKLCHoklch(23.48% 0.05 278.5)
XYZxyz(1.4352, 1.2475, 3.5326)
Luminance0.0125 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#191B35 #353319
analogous
#192935 #191B35 #251935
triadic
#191B35 #35191B #1B3519
tetradic
#191B35 #351929 #353319 #193525
square
#191B35 #351929 #353319 #193525
split-complementary
#191B35 #352519 #293519
monochromatic
#0A0B15 #0A0B15 #191B35 #2D305F #404588

Accessibility & contrast

On white

16.81
#191B35 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.25
#191B35 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191B35
16.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##191B35#FFFFFF#000000##FFFFFF
##191B351.0016.811.2516.81
#FFFFFF16.811.0021.001.00
#0000001.2521.001.0021.00
##FFFFFF16.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#111E36
Deuteranopia (green-blind)
#0F1C34
Tritanopia (blue-blind)
#102025
Achromatopsia (no color)
#1D1D1D

Design tokens & code

CSS
--color: #191b35;
/* rgb */ color: rgb(25, 27, 53);
/* oklch */ color: oklch(23.5% 0.050 278.5);
Tailwind
colors: {
  custom: {
    50: '#57576c',
    500: '#191b35',
    950: '#000000',
  },
}
SCSS
$custom: #191b35;
$custom-light: #57576c;
$custom-dark: #000000;
JSON
{
  "hex": "#191b35",
  "rgb": {
    "r": 25,
    "g": 27,
    "b": 53
  },
  "hsl": {
    "h": 235.714,
    "s": 35.897,
    "l": 15.294
  },
  "oklch": {
    "l": 0.23483,
    "c": 0.04971,
    "h": 278.5
  },
  "luminance": 0.01248
}

Semantic roles & 50–950 ramp

primary
#191B35
secondary
#6A6740
accent
#C45CCC
background
#F5F5F6
surface
#E9E9EB
border
#C5C5C6
text
#030307
muted
#78787A

Preview Lab

Preview with #191B35

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

Preview Lab → · Contrast checker → · Palette generator →

#191B35 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva