#191C4B#191C4B

#191C4B is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.5% C 0.086 H 275.7°. Best body text is #FFFFFF at 16.04:1 contrast (WCAG AA passes).

Color values

HEX	#191C4B
RGB	rgb(25, 28, 75)
HSL	hsl(236, 50%, 20%)
HSV	hsv(236, 67%, 29%)
CMYK	cmyk(66.7%, 62.7%, 0%, 70.6%)
CIE-LAB	lab(12.89, 15.45, -29.71)
CIE-LCH	lch(12.89, 33.48, 297.48°)
OKLab	oklab(25.52% 0.0086 -0.0853)
OKLCH	oklch(25.52% 0.086 275.7)
XYZ	xyz(2.0857, 1.5450, 6.8436)
Luminance	0.0155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191C4B #4B4819

analogous

#19354B #191C4B #2F194B

triadic

#191C4B #4B191C #1C4B19

tetradic

#191C4B #4B1935 #4B4819 #194B2F

square

#191C4B #4B1935 #4B4819 #194B2F

split-complementary

#191C4B #4B2F19 #354B19

monochromatic

#080917 #0A0B1D #191C4B #282D79 #383EA7

Accessibility & contrast

On white

16.04

#191C4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#191C4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191C4B

16.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191C4B	#FFFFFF	#000000	##FFFFFF
##191C4B	1.00	16.04	1.31	16.04
#FFFFFF	16.04	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00244D

Deuteranopia (green-blind)

#001F4A

Tritanopia (blue-blind)

#002730

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #191c4b;
/* rgb */ color: rgb(25, 28, 75);
/* oklch */ color: oklch(25.5% 0.086 275.7);

Tailwind

colors: {
  custom: {
    50: '#5c587e',
    500: '#191c4b',
    950: '#000000',
  },
}

SCSS

$custom: #191c4b;
$custom-light: #5c587e;
$custom-dark: #000000;

JSON

{
  "hex": "#191c4b",
  "rgb": {
    "r": 25,
    "g": 28,
    "b": 75
  },
  "hsl": {
    "h": 236.4,
    "s": 50,
    "l": 19.608
  },
  "oklch": {
    "l": 0.25519,
    "c": 0.08572,
    "h": 275.7
  },
  "luminance": 0.01545
}

Semantic roles & 50–950 ramp

primary

#191C4B

secondary

#817D3E

accent

#D14EDA

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #191C4B

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

Preview Lab → · Contrast checker → · Palette generator →