#191F4C#191F4C

#191F4C is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.3% C 0.083 H 273.6°. Best body text is #FFFFFF at 15.65:1 contrast (WCAG AA passes).

Color values

HEX	#191F4C
RGB	rgb(25, 31, 76)
HSL	hsl(233, 50%, 20%)
HSV	hsv(233, 67%, 30%)
CMYK	cmyk(67.1%, 59.2%, 0%, 70.2%)
CIE-LAB	lab(13.88, 13.61, -28.80)
CIE-LCH	lch(13.88, 31.86, 295.30°)
OKLab	oklab(26.28% 0.0052 -0.0826)
OKLCH	oklch(26.28% 0.083 273.6)
XYZ	xyz(2.1950, 1.7083, 7.0501)
Luminance	0.0171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.22

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191F4C #4C4619

analogous

#19394C #191F4C #2D194C

triadic

#191F4C #4C191F #1F4C19

tetradic

#191F4C #4C1939 #4C4619 #194C2D

square

#191F4C #4C1939 #4C4619 #194C2D

split-complementary

#191F4C #4C2D19 #394C19

monochromatic

#080917 #0A0C1E #191F4C #28327A #3745A8

Accessibility & contrast

On white

15.65

#191F4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#191F4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191F4C

15.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191F4C	#FFFFFF	#000000	##FFFFFF
##191F4C	1.00	15.65	1.34	15.65
#FFFFFF	15.65	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#04264E

Deuteranopia (green-blind)

#00214B

Tritanopia (blue-blind)

#002932

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #191f4c;
/* rgb */ color: rgb(25, 31, 76);
/* oklch */ color: oklch(26.3% 0.083 273.6);

Tailwind

colors: {
  custom: {
    50: '#5c5a7e',
    500: '#191f4c',
    950: '#000000',
  },
}

SCSS

$custom: #191f4c;
$custom-light: #5c5a7e;
$custom-dark: #000000;

JSON

{
  "hex": "#191f4c",
  "rgb": {
    "r": 25,
    "g": 31,
    "b": 76
  },
  "hsl": {
    "h": 232.941,
    "s": 50.495,
    "l": 19.804
  },
  "oklch": {
    "l": 0.26281,
    "c": 0.08275,
    "h": 273.6
  },
  "luminance": 0.01708
}

Semantic roles & 50–950 ramp

primary

#191F4C

secondary

#827A3E

accent

#C94EDA

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #191F4C

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

Preview Lab → · Contrast checker → · Palette generator →