#191C4D#191C4D

#191C4D is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.7% C 0.089 H 275.5°. Best body text is #FFFFFF at 15.97:1 contrast (WCAG AA passes).

Color values

HEX	#191C4D
RGB	rgb(25, 28, 77)
HSL	hsl(237, 51%, 20%)
HSV	hsv(237, 68%, 30%)
CMYK	cmyk(67.5%, 63.6%, 0%, 69.8%)
CIE-LAB	lab(13.06, 16.25, -30.80)
CIE-LCH	lch(13.06, 34.83, 297.81°)
OKLab	oklab(25.7% 0.0086 -0.0885)
OKLCH	oklch(25.7% 0.089 275.5)
XYZ	xyz(2.1553, 1.5728, 7.2097)
Luminance	0.0157 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191C4D #4D4A19

analogous

#19364D #191C4D #30194D

triadic

#191C4D #4D191C #1C4D19

tetradic

#191C4D #4D1936 #4D4A19 #194D30

square

#191C4D #4D1936 #4D4A19 #194D30

split-complementary

#191C4D #4D3019 #364D19

monochromatic

#080817 #0A0B1F #191C4D #282D7B #373EA9

Accessibility & contrast

On white

15.97

#191C4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#191C4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191C4D

15.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191C4D	#FFFFFF	#000000	##FFFFFF
##191C4D	1.00	15.97	1.31	15.97
#FFFFFF	15.97	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	15.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00244F

Deuteranopia (green-blind)

#001F4C

Tritanopia (blue-blind)

#002831

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #191c4d;
/* rgb */ color: rgb(25, 28, 77);
/* oklch */ color: oklch(25.7% 0.089 275.5);

Tailwind

colors: {
  custom: {
    50: '#5c587f',
    500: '#191c4d',
    950: '#000000',
  },
}

SCSS

$custom: #191c4d;
$custom-light: #5c587f;
$custom-dark: #000000;

JSON

{
  "hex": "#191c4d",
  "rgb": {
    "r": 25,
    "g": 28,
    "b": 77
  },
  "hsl": {
    "h": 236.538,
    "s": 50.98,
    "l": 20
  },
  "oklch": {
    "l": 0.25701,
    "c": 0.08893,
    "h": 275.5
  },
  "luminance": 0.01573
}

Semantic roles & 50–950 ramp

primary

#191C4D

secondary

#837F3E

accent

#D24DDA

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #191C4D

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

Preview Lab → · Contrast checker → · Palette generator →