#191D57#191D57

#191D57 is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.9% C 0.103 H 274.1°. Best body text is #FFFFFF at 15.50:1 contrast (WCAG AA passes).

Color values

HEX	#191D57
RGB	rgb(25, 29, 87)
HSL	hsl(236, 55%, 22%)
HSV	hsv(236, 71%, 34%)
CMYK	cmyk(71.3%, 66.7%, 0%, 65.9%)
CIE-LAB	lab(14.25, 19.49, -35.68)
CIE-LCH	lch(14.25, 40.66, 298.65°)
OKLab	oklab(26.86% 0.0074 -0.1028)
OKLCH	oklch(26.86% 0.103 274.1)
XYZ	xyz(2.5600, 1.7733, 9.2223)
Luminance	0.0177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191D57 #575319

analogous

#193C57 #191D57 #341957

triadic

#191D57 #57191D #1D5719

tetradic

#191D57 #57193C #575319 #195734

square

#191D57 #57193C #575319 #195734

split-complementary

#191D57 #573419 #3C5719

monochromatic

#070818 #0B0D27 #191D57 #272D87 #343DB6

Accessibility & contrast

On white

15.50

#191D57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#191D57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191D57

15.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191D57	#FFFFFF	#000000	##FFFFFF
##191D57	1.00	15.50	1.35	15.50
#FFFFFF	15.50	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002759

Deuteranopia (green-blind)

#002156

Tritanopia (blue-blind)

#002C36

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #191d57;
/* rgb */ color: rgb(25, 29, 87);
/* oklch */ color: oklch(26.9% 0.103 274.1);

Tailwind

colors: {
  custom: {
    50: '#5f5987',
    500: '#191d57',
    950: '#000000',
  },
}

SCSS

$custom: #191d57;
$custom-light: #5f5987;
$custom-dark: #000000;

JSON

{
  "hex": "#191d57",
  "rgb": {
    "r": 25,
    "g": 29,
    "b": 87
  },
  "hsl": {
    "h": 236.129,
    "s": 55.357,
    "l": 21.961
  },
  "oklch": {
    "l": 0.2686,
    "c": 0.10309,
    "h": 274.1
  },
  "luminance": 0.01774
}

Semantic roles & 50–950 ramp

primary

#191D57

secondary

#8D883E

accent

#D549DF

background

#F5F5F8

surface

#EAE9EF

border

#C6C5CA

text

#05030B

muted

#79787C

Preview Lab

Preview with #191D57

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

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