#191D5E#191D5E

#191D5E is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.6% C 0.114 H 273.5°. Best body text is #FFFFFF at 15.23:1 contrast (WCAG AA passes).

Color values

HEX	#191D5E
RGB	rgb(25, 29, 94)
HSL	hsl(237, 58%, 23%)
HSV	hsv(237, 73%, 37%)
CMYK	cmyk(73.4%, 69.1%, 0%, 63.1%)
CIE-LAB	lab(14.92, 22.25, -39.28)
CIE-LCH	lch(14.92, 45.15, 299.53°)
OKLab	oklab(27.56% 0.0069 -0.1134)
OKLCH	oklch(27.56% 0.114 273.5)
XYZ	xyz(2.8600, 1.8933, 10.8022)
Luminance	0.0189 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191D5E #5E5A19

analogous

#193F5E #191D5E #37195E

triadic

#191D5E #5E191D #1D5E19

tetradic

#191D5E #5E193F #5E5A19 #195E37

square

#191D5E #5E193F #5E5A19 #195E37

split-complementary

#191D5E #5E3719 #3F5E19

monochromatic

#060718 #0C0E2E #191D5E #262C8E #333BBF

Accessibility & contrast

On white

15.23

#191D5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#191D5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191D5E

15.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191D5E	#FFFFFF	#000000	##FFFFFF
##191D5E	1.00	15.23	1.38	15.23
#FFFFFF	15.23	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002960

Deuteranopia (green-blind)

#00225D

Tritanopia (blue-blind)

#002E3A

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #191d5e;
/* rgb */ color: rgb(25, 29, 94);
/* oklch */ color: oklch(27.6% 0.114 273.5);

Tailwind

colors: {
  custom: {
    50: '#61598c',
    500: '#191d5e',
    950: '#000000',
  },
}

SCSS

$custom: #191d5e;
$custom-light: #61598c;
$custom-dark: #000000;

JSON

{
  "hex": "#191d5e",
  "rgb": {
    "r": 25,
    "g": 29,
    "b": 94
  },
  "hsl": {
    "h": 236.522,
    "s": 57.983,
    "l": 23.333
  },
  "oklch": {
    "l": 0.27557,
    "c": 0.11361,
    "h": 273.5
  },
  "luminance": 0.01894
}

Semantic roles & 50–950 ramp

primary

#191D5E

secondary

#948F3F

accent

#D847E1

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05030C

muted

#7A787D

Preview Lab

Preview with #191D5E

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

Preview Lab → · Contrast checker → · Palette generator →