#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
RGB	rgb(25, 27, 53)
HSL	hsl(236, 36%, 15%)
HSV	hsv(236, 53%, 21%)
CMYK	cmyk(52.8%, 49.1%, 0%, 79.2%)
CIE-LAB	lab(10.90, 7.62, -17.40)
CIE-LCH	lch(10.90, 19.00, 293.65°)
OKLab	oklab(23.48% 0.0074 -0.0492)
OKLCH	oklch(23.48% 0.05 278.5)
XYZ	xyz(1.4352, 1.2475, 3.5326)
Luminance	0.0125 (WCAG relative)
Temperature	cool
Family	blue

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
##191B35	1.00	16.81	1.25	16.81
#FFFFFF	16.81	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.81	1.00	21.00	1.00

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.

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