#191C4E#191C4E

#191C4E is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.8% C 0.091 H 275.5°. Best body text is #FFFFFF at 15.94:1 contrast (WCAG AA passes).

Color values

HEX	#191C4E
RGB	rgb(25, 28, 78)
HSL	hsl(237, 51%, 20%)
HSV	hsv(237, 68%, 31%)
CMYK	cmyk(67.9%, 64.1%, 0%, 69.4%)
CIE-LAB	lab(13.15, 16.65, -31.35)
CIE-LCH	lch(13.15, 35.49, 297.97°)
OKLab	oklab(25.79% 0.0086 -0.0901)
OKLCH	oklch(25.79% 0.091 275.5)
XYZ	xyz(2.1909, 1.5871, 7.3971)
Luminance	0.0159 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191C4E #4E4B19

analogous

#19364E #191C4E #31194E

triadic

#191C4E #4E191C #1C4E19

tetradic

#191C4E #4E1936 #4E4B19 #194E31

square

#191C4E #4E1936 #4E4B19 #194E31

split-complementary

#191C4E #4E3119 #364E19

monochromatic

#070817 #0A0B20 #191C4E #282D7C #373DAB

Accessibility & contrast

On white

15.94

#191C4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#191C4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191C4E

15.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191C4E	#FFFFFF	#000000	##FFFFFF
##191C4E	1.00	15.94	1.32	15.94
#FFFFFF	15.94	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002450

Deuteranopia (green-blind)

#00204D

Tritanopia (blue-blind)

#002831

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #191c4e;
/* rgb */ color: rgb(25, 28, 78);
/* oklch */ color: oklch(25.8% 0.091 275.5);

Tailwind

colors: {
  custom: {
    50: '#5d5880',
    500: '#191c4e',
    950: '#000000',
  },
}

SCSS

$custom: #191c4e;
$custom-light: #5d5880;
$custom-dark: #000000;

JSON

{
  "hex": "#191c4e",
  "rgb": {
    "r": 25,
    "g": 28,
    "b": 78
  },
  "hsl": {
    "h": 236.604,
    "s": 51.456,
    "l": 20.196
  },
  "oklch": {
    "l": 0.25794,
    "c": 0.09053,
    "h": 275.5
  },
  "luminance": 0.01587
}

Semantic roles & 50–950 ramp

primary

#191C4E

secondary

#84813E

accent

#D34DDB

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #191C4E

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

Preview Lab → · Contrast checker → · Palette generator →