#191D58#191D58

#191D58 is a dark, moderate blue. Relative luminance 0.018; OKLCH L 27.0% C 0.105 H 274.0°. Best body text is #FFFFFF at 15.46:1 contrast (WCAG AA passes).

Color values

HEX	#191D58
RGB	rgb(25, 29, 88)
HSL	hsl(236, 56%, 22%)
HSV	hsv(236, 72%, 35%)
CMYK	cmyk(71.6%, 67%, 0%, 65.5%)
CIE-LAB	lab(14.34, 19.89, -36.20)
CIE-LCH	lch(14.34, 41.30, 298.78°)
OKLab	oklab(26.96% 0.0073 -0.1044)
OKLCH	oklch(26.96% 0.105 274)
XYZ	xyz(2.6011, 1.7898, 9.4390)
Luminance	0.0179 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191D58 #585419

analogous

#193D58 #191D58 #341958

triadic

#191D58 #58191D #1D5819

tetradic

#191D58 #58193D #585419 #195834

square

#191D58 #58193D #585419 #195834

split-complementary

#191D58 #583419 #3D5819

monochromatic

#070818 #0B0D28 #191D58 #272D88 #343CB7

Accessibility & contrast

On white

15.46

#191D58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#191D58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191D58

15.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191D58	#FFFFFF	#000000	##FFFFFF
##191D58	1.00	15.46	1.36	15.46
#FFFFFF	15.46	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275A

Deuteranopia (green-blind)

#002257

Tritanopia (blue-blind)

#002C37

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #191d58;
/* rgb */ color: rgb(25, 29, 88);
/* oklch */ color: oklch(27.0% 0.105 274.0);

Tailwind

colors: {
  custom: {
    50: '#5f5988',
    500: '#191d58',
    950: '#000000',
  },
}

SCSS

$custom: #191d58;
$custom-light: #5f5988;
$custom-dark: #000000;

JSON

{
  "hex": "#191d58",
  "rgb": {
    "r": 25,
    "g": 29,
    "b": 88
  },
  "hsl": {
    "h": 236.19,
    "s": 55.752,
    "l": 22.157
  },
  "oklch": {
    "l": 0.26958,
    "c": 0.10463,
    "h": 274
  },
  "luminance": 0.0179
}

Semantic roles & 50–950 ramp

primary

#191D58

secondary

#8E893E

accent

#D649DF

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030B

muted

#79787C

Preview Lab

Preview with #191D58

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

Preview Lab → · Contrast checker → · Palette generator →