#191C57#191C57

#191C57 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.7% C 0.104 H 274.6°. Best body text is #FFFFFF at 15.61:1 contrast (WCAG AA passes).

Color values

HEX	#191C57
RGB	rgb(25, 28, 87)
HSL	hsl(237, 55%, 22%)
HSV	hsv(237, 71%, 34%)
CMYK	cmyk(71.3%, 67.8%, 0%, 65.9%)
CIE-LAB	lab(13.97, 20.21, -36.13)
CIE-LCH	lch(13.97, 41.40, 299.22°)
OKLab	oklab(26.66% 0.0083 -0.1042)
OKLCH	oklch(26.66% 0.105 274.6)
XYZ	xyz(2.5359, 1.7251, 9.2143)
Luminance	0.0173 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191C57 #575419

analogous

#193B57 #191C57 #351957

triadic

#191C57 #57191C #1C5719

tetradic

#191C57 #57193B #575419 #195735

square

#191C57 #57193B #575419 #195735

split-complementary

#191C57 #573519 #3B5719

monochromatic

#070818 #0B0D27 #191C57 #272B87 #343BB6

Accessibility & contrast

On white

15.61

#191C57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#191C57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191C57

15.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191C57	#FFFFFF	#000000	##FFFFFF
##191C57	1.00	15.61	1.35	15.61
#FFFFFF	15.61	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002659

Deuteranopia (green-blind)

#002156

Tritanopia (blue-blind)

#002B36

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #191c57;
/* rgb */ color: rgb(25, 28, 87);
/* oklch */ color: oklch(26.7% 0.104 274.6);

Tailwind

colors: {
  custom: {
    50: '#5f5887',
    500: '#191c57',
    950: '#000000',
  },
}

SCSS

$custom: #191c57;
$custom-light: #5f5887;
$custom-dark: #000000;

JSON

{
  "hex": "#191c57",
  "rgb": {
    "r": 25,
    "g": 28,
    "b": 87
  },
  "hsl": {
    "h": 237.097,
    "s": 55.357,
    "l": 21.961
  },
  "oklch": {
    "l": 0.26657,
    "c": 0.1045,
    "h": 274.6
  },
  "luminance": 0.01725
}

Semantic roles & 50–950 ramp

primary

#191C57

secondary

#8D8A3E

accent

#D749DF

background

#F5F5F8

surface

#EAE9EF

border

#C6C5CA

text

#05030B

muted

#79787C

Preview Lab

Preview with #191C57

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

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