#191D4E#191D4E

#191D4E is a dark, moderate blue. Relative luminance 0.016; OKLCH L 26.0% C 0.089 H 274.8°. Best body text is #FFFFFF at 15.83:1 contrast (WCAG AA passes).

Color values

HEX	#191D4E
RGB	rgb(25, 29, 78)
HSL	hsl(235, 51%, 20%)
HSV	hsv(235, 68%, 31%)
CMYK	cmyk(67.9%, 62.8%, 0%, 69.4%)
CIE-LAB	lab(13.44, 15.91, -30.87)
CIE-LCH	lch(13.44, 34.73, 297.26°)
OKLab	oklab(26.01% 0.0075 -0.0887)
OKLCH	oklch(26.01% 0.089 274.8)
XYZ	xyz(2.2150, 1.6353, 7.4052)
Luminance	0.0163 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191D4E #4E4A19

analogous

#19374E #191D4E #30194E

triadic

#191D4E #4E191D #1D4E19

tetradic

#191D4E #4E1937 #4E4A19 #194E30

square

#191D4E #4E1937 #4E4A19 #194E30

split-complementary

#191D4E #4E3019 #374E19

monochromatic

#070917 #0A0C20 #191D4E #282E7C #373FAB

Accessibility & contrast

On white

15.83

#191D4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#191D4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191D4E

15.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191D4E	#FFFFFF	#000000	##FFFFFF
##191D4E	1.00	15.83	1.33	15.83
#FFFFFF	15.83	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002550

Deuteranopia (green-blind)

#00204D

Tritanopia (blue-blind)

#002932

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #191d4e;
/* rgb */ color: rgb(25, 29, 78);
/* oklch */ color: oklch(26.0% 0.089 274.8);

Tailwind

colors: {
  custom: {
    50: '#5d5880',
    500: '#191d4e',
    950: '#000000',
  },
}

SCSS

$custom: #191d4e;
$custom-light: #5d5880;
$custom-dark: #000000;

JSON

{
  "hex": "#191d4e",
  "rgb": {
    "r": 25,
    "g": 29,
    "b": 78
  },
  "hsl": {
    "h": 235.472,
    "s": 51.456,
    "l": 20.196
  },
  "oklch": {
    "l": 0.26011,
    "c": 0.08903,
    "h": 274.8
  },
  "luminance": 0.01635
}

Semantic roles & 50–950 ramp

primary

#191D4E

secondary

#847F3E

accent

#D04DDB

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #191D4E

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

Preview Lab → · Contrast checker → · Palette generator →