#191C4F#191C4F

#191C4F is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.9% C 0.092 H 275.4°. Best body text is #FFFFFF at 15.90:1 contrast (WCAG AA passes).

Color values

HEX	#191C4F
RGB	rgb(25, 28, 79)
HSL	hsl(237, 52%, 20%)
HSV	hsv(237, 68%, 31%)
CMYK	cmyk(68.4%, 64.6%, 0%, 69%)
CIE-LAB	lab(13.24, 17.04, -31.89)
CIE-LCH	lch(13.24, 36.16, 298.12°)
OKLab	oklab(25.89% 0.0086 -0.0917)
OKLCH	oklch(25.89% 0.092 275.4)
XYZ	xyz(2.2270, 1.6015, 7.5874)
Luminance	0.0160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191C4F #4F4C19

analogous

#19374F #191C4F #31194F

triadic

#191C4F #4F191C #1C4F19

tetradic

#191C4F #4F1937 #4F4C19 #194F31

square

#191C4F #4F1937 #4F4C19 #194F31

split-complementary

#191C4F #4F3119 #374F19

monochromatic

#070817 #0A0C21 #191C4F #282C7D #363DAC

Accessibility & contrast

On white

15.90

#191C4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#191C4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191C4F

15.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191C4F	#FFFFFF	#000000	##FFFFFF
##191C4F	1.00	15.90	1.32	15.90
#FFFFFF	15.90	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002451

Deuteranopia (green-blind)

#00204E

Tritanopia (blue-blind)

#002832

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #191c4f;
/* rgb */ color: rgb(25, 28, 79);
/* oklch */ color: oklch(25.9% 0.092 275.4);

Tailwind

colors: {
  custom: {
    50: '#5d5881',
    500: '#191c4f',
    950: '#000000',
  },
}

SCSS

$custom: #191c4f;
$custom-light: #5d5881;
$custom-dark: #000000;

JSON

{
  "hex": "#191c4f",
  "rgb": {
    "r": 25,
    "g": 28,
    "b": 79
  },
  "hsl": {
    "h": 236.667,
    "s": 51.923,
    "l": 20.392
  },
  "oklch": {
    "l": 0.25887,
    "c": 0.09211,
    "h": 275.4
  },
  "luminance": 0.01602
}

Semantic roles & 50–950 ramp

primary

#191C4F

secondary

#85823E

accent

#D34CDB

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #191C4F

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

Preview Lab → · Contrast checker → · Palette generator →