#191C59#191C59

#191C59 is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.9% C 0.108 H 274.4°. Best body text is #FFFFFF at 15.54:1 contrast (WCAG AA passes).

Color values

HEX	#191C59
RGB	rgb(25, 28, 89)
HSL	hsl(237, 56%, 22%)
HSV	hsv(237, 72%, 35%)
CMYK	cmyk(71.9%, 68.5%, 0%, 65.1%)
CIE-LAB	lab(14.16, 21.00, -37.17)
CIE-LCH	lch(14.16, 42.69, 299.47°)
OKLab	oklab(26.86% 0.0082 -0.1072)
OKLCH	oklch(26.86% 0.108 274.4)
XYZ	xyz(2.6187, 1.7582, 9.6506)
Luminance	0.0176 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191C59 #595619

analogous

#193C59 #191C59 #361959

triadic

#191C59 #59191C #1C5919

tetradic

#191C59 #59193C #595619 #195936

square

#191C59 #59193C #595619 #195936

split-complementary

#191C59 #593619 #3C5919

monochromatic

#070818 #0C0D29 #191C59 #262B89 #343AB9

Accessibility & contrast

On white

15.54

#191C59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#191C59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191C59

15.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191C59	#FFFFFF	#000000	##FFFFFF
##191C59	1.00	15.54	1.35	15.54
#FFFFFF	15.54	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275B

Deuteranopia (green-blind)

#002158

Tritanopia (blue-blind)

#002C37

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #191c59;
/* rgb */ color: rgb(25, 28, 89);
/* oklch */ color: oklch(26.9% 0.108 274.4);

Tailwind

colors: {
  custom: {
    50: '#5f5889',
    500: '#191c59',
    950: '#000000',
  },
}

SCSS

$custom: #191c59;
$custom-light: #5f5889;
$custom-dark: #000000;

JSON

{
  "hex": "#191c59",
  "rgb": {
    "r": 25,
    "g": 28,
    "b": 89
  },
  "hsl": {
    "h": 237.188,
    "s": 56.14,
    "l": 22.353
  },
  "oklch": {
    "l": 0.26856,
    "c": 0.10752,
    "h": 274.4
  },
  "luminance": 0.01758
}

Semantic roles & 50–950 ramp

primary

#191C59

secondary

#8F8C3E

accent

#D848DF

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030B

muted

#79787C

Preview Lab

Preview with #191C59

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

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