#191D5F#191D5F

#191D5F is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.7% C 0.115 H 273.4°. Best body text is #FFFFFF at 15.19:1 contrast (WCAG AA passes).

Color values

HEX	#191D5F
RGB	rgb(25, 29, 95)
HSL	hsl(237, 58%, 24%)
HSV	hsv(237, 74%, 37%)
CMYK	cmyk(73.7%, 69.5%, 0%, 62.7%)
CIE-LAB	lab(15.02, 22.64, -39.79)
CIE-LCH	lch(15.02, 45.78, 299.65°)
OKLab	oklab(27.66% 0.0068 -0.1149)
OKLCH	oklch(27.66% 0.115 273.4)
XYZ	xyz(2.9051, 1.9114, 11.0401)
Luminance	0.0191 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191D5F #5F5B19

analogous

#19405F #191D5F #38195F

triadic

#191D5F #5F191D #1D5F19

tetradic

#191D5F #5F1940 #5F5B19 #195F38

square

#191D5F #5F1940 #5F5B19 #195F38

split-complementary

#191D5F #5F3819 #405F19

monochromatic

#060718 #0C0E2F #191D5F #262C8F #323BC0

Accessibility & contrast

On white

15.19

#191D5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#191D5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191D5F

15.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191D5F	#FFFFFF	#000000	##FFFFFF
##191D5F	1.00	15.19	1.38	15.19
#FFFFFF	15.19	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002961

Deuteranopia (green-blind)

#00235E

Tritanopia (blue-blind)

#002E3B

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #191d5f;
/* rgb */ color: rgb(25, 29, 95);
/* oklch */ color: oklch(27.7% 0.115 273.4);

Tailwind

colors: {
  custom: {
    50: '#61598d',
    500: '#191d5f',
    950: '#000000',
  },
}

SCSS

$custom: #191d5f;
$custom-light: #61598d;
$custom-dark: #000000;

JSON

{
  "hex": "#191d5f",
  "rgb": {
    "r": 25,
    "g": 29,
    "b": 95
  },
  "hsl": {
    "h": 236.571,
    "s": 58.333,
    "l": 23.529
  },
  "oklch": {
    "l": 0.27659,
    "c": 0.11508,
    "h": 273.4
  },
  "luminance": 0.01912
}

Semantic roles & 50–950 ramp

primary

#191D5F

secondary

#95903F

accent

#D946E2

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05030C

muted

#7A787D

Preview Lab

Preview with #191D5F

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

Preview Lab → · Contrast checker → · Palette generator →