#191F59#191F59

#191F59 is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.5% C 0.103 H 273.0°. Best body text is #FFFFFF at 15.20:1 contrast (WCAG AA passes).

Color values

HEX	#191F59
RGB	rgb(25, 31, 89)
HSL	hsl(234, 56%, 22%)
HSV	hsv(234, 72%, 35%)
CMYK	cmyk(71.9%, 65.2%, 0%, 65.1%)
CIE-LAB	lab(15.00, 18.84, -35.81)
CIE-LCH	lch(15.00, 40.46, 297.75°)
OKLab	oklab(27.47% 0.0054 -0.1032)
OKLCH	oklch(27.47% 0.103 273)
XYZ	xyz(2.6935, 1.9077, 9.6755)
Luminance	0.0191 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191F59 #595319

analogous

#193F59 #191F59 #331959

triadic

#191F59 #59191F #1F5919

tetradic

#191F59 #59193F #595319 #195933

square

#191F59 #59193F #595319 #195933

split-complementary

#191F59 #593319 #3F5919

monochromatic

#070818 #0C0E29 #191F59 #263089 #3440B9

Accessibility & contrast

On white

15.20

#191F59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#191F59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191F59

15.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191F59	#FFFFFF	#000000	##FFFFFF
##191F59	1.00	15.20	1.38	15.20
#FFFFFF	15.20	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00295B

Deuteranopia (green-blind)

#002358

Tritanopia (blue-blind)

#002D38

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #191f59;
/* rgb */ color: rgb(25, 31, 89);
/* oklch */ color: oklch(27.5% 0.103 273.0);

Tailwind

colors: {
  custom: {
    50: '#5f5a88',
    500: '#191f59',
    950: '#000000',
  },
}

SCSS

$custom: #191f59;
$custom-light: #5f5a88;
$custom-dark: #000000;

JSON

{
  "hex": "#191f59",
  "rgb": {
    "r": 25,
    "g": 31,
    "b": 89
  },
  "hsl": {
    "h": 234.375,
    "s": 56.14,
    "l": 22.353
  },
  "oklch": {
    "l": 0.27468,
    "c": 0.10334,
    "h": 273
  },
  "luminance": 0.01908
}

Semantic roles & 50–950 ramp

primary

#191F59

secondary

#8F883E

accent

#D148DF

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030B

muted

#79787C

Preview Lab

Preview with #191F59

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

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