#191C3E#191C3E

#191C3E is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.4% C 0.064 H 276.8°. Best body text is #FFFFFF at 16.44:1 contrast (WCAG AA passes).

Color values

HEX	#191C3E
RGB	rgb(25, 28, 62)
HSL	hsl(235, 43%, 17%)
HSV	hsv(235, 60%, 24%)
CMYK	cmyk(59.7%, 54.8%, 0%, 75.7%)
CIE-LAB	lab(11.86, 10.31, -22.30)
CIE-LCH	lch(11.86, 24.57, 294.81°)
OKLab	oklab(24.41% 0.0075 -0.0635)
OKLCH	oklch(24.41% 0.064 276.8)
XYZ	xyz(1.6854, 1.3849, 4.7350)
Luminance	0.0138 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191C3E #3E3B19

analogous

#192F3E #191C3E #29193E

triadic

#191C3E #3E191C #1C3E19

tetradic

#191C3E #3E192F #3E3B19 #193E29

square

#191C3E #3E192F #3E3B19 #193E29

split-complementary

#191C3E #3E2919 #2F3E19

monochromatic

#090A16 #090A16 #191C3E #2B306A #3C4395

Accessibility & contrast

On white

16.44

#191C3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#191C3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191C3E

16.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191C3E	#FFFFFF	#000000	##FFFFFF
##191C3E	1.00	16.44	1.28	16.44
#FFFFFF	16.44	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C213F

Deuteranopia (green-blind)

#091E3D

Tritanopia (blue-blind)

#09232A

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #191c3e;
/* rgb */ color: rgb(25, 28, 62);
/* oklch */ color: oklch(24.4% 0.064 276.8);

Tailwind

colors: {
  custom: {
    50: '#595773',
    500: '#191c3e',
    950: '#000000',
  },
}

SCSS

$custom: #191c3e;
$custom-light: #595773;
$custom-dark: #000000;

JSON

{
  "hex": "#191c3e",
  "rgb": {
    "r": 25,
    "g": 28,
    "b": 62
  },
  "hsl": {
    "h": 235.135,
    "s": 42.529,
    "l": 17.059
  },
  "oklch": {
    "l": 0.24411,
    "c": 0.06396,
    "h": 276.8
  },
  "luminance": 0.01385
}

Semantic roles & 50–950 ramp

primary

#191C3E

secondary

#74703F

accent

#C855D2

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040308

muted

#79787B

Preview Lab

Preview with #191C3E

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

Preview Lab → · Contrast checker → · Palette generator →