#191A57#191A57

#191A57 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 26.3% C 0.107 H 275.4°. Best body text is #FFFFFF at 15.83:1 contrast (WCAG AA passes).

Color values

HEX	#191A57
RGB	rgb(25, 26, 87)
HSL	hsl(239, 55%, 22%)
HSV	hsv(239, 71%, 34%)
CMYK	cmyk(71.3%, 70.1%, 0%, 65.9%)
CIE-LAB	lab(13.43, 21.64, -37.01)
CIE-LCH	lch(13.43, 42.87, 300.31°)
OKLab	oklab(26.26% 0.0101 -0.1068)
OKLCH	oklch(26.26% 0.107 275.4)
XYZ	xyz(2.4900, 1.6334, 9.1990)
Luminance	0.0163 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191A57 #575619

analogous

#193957 #191A57 #371957

triadic

#191A57 #57191A #1A5719

tetradic

#191A57 #571939 #575619 #195737

square

#191A57 #571939 #575619 #195737

split-complementary

#191A57 #573719 #395719

monochromatic

#070718 #0B0C27 #191A57 #272887 #3436B6

Accessibility & contrast

On white

15.83

#191A57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#191A57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191A57

15.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191A57	#FFFFFF	#000000	##FFFFFF
##191A57	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)

#002559

Deuteranopia (green-blind)

#002056

Tritanopia (blue-blind)

#002A35

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #191a57;
/* rgb */ color: rgb(25, 26, 87);
/* oklch */ color: oklch(26.3% 0.107 275.4);

Tailwind

colors: {
  custom: {
    50: '#5f5687',
    500: '#191a57',
    950: '#000000',
  },
}

SCSS

$custom: #191a57;
$custom-light: #5f5687;
$custom-dark: #000000;

JSON

{
  "hex": "#191a57",
  "rgb": {
    "r": 25,
    "g": 26,
    "b": 87
  },
  "hsl": {
    "h": 239.032,
    "s": 55.357,
    "l": 21.961
  },
  "oklch": {
    "l": 0.26261,
    "c": 0.10725,
    "h": 275.4
  },
  "luminance": 0.01634
}

Semantic roles & 50–950 ramp

primary

#191A57

secondary

#8D8C3E

accent

#DC49DF

background

#F5F5F8

surface

#EAE9EF

border

#C6C5CA

text

#05030B

muted

#79787C

Preview Lab

Preview with #191A57

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

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