#191F58#191F58

#191F58 is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.4% C 0.102 H 273.1°. Best body text is #FFFFFF at 15.24:1 contrast (WCAG AA passes).

Color values

HEX	#191F58
RGB	rgb(25, 31, 88)
HSL	hsl(234, 56%, 22%)
HSV	hsv(234, 72%, 35%)
CMYK	cmyk(71.6%, 64.8%, 0%, 65.5%)
CIE-LAB	lab(14.90, 18.44, -35.28)
CIE-LCH	lch(14.90, 39.81, 297.59°)
OKLab	oklab(27.37% 0.0055 -0.1017)
OKLCH	oklch(27.37% 0.102 273.1)
XYZ	xyz(2.6518, 1.8910, 9.4559)
Luminance	0.0189 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191F58 #585219

analogous

#193F58 #191F58 #331958

triadic

#191F58 #58191F #1F5819

tetradic

#191F58 #58193F #585219 #195833

square

#191F58 #58193F #585219 #195833

split-complementary

#191F58 #583319 #3F5819

monochromatic

#070818 #0B0E28 #191F58 #273088 #3441B7

Accessibility & contrast

On white

15.24

#191F58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#191F58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191F58

15.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191F58	#FFFFFF	#000000	##FFFFFF
##191F58	1.00	15.24	1.38	15.24
#FFFFFF	15.24	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00285A

Deuteranopia (green-blind)

#002357

Tritanopia (blue-blind)

#002D38

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #191f58;
/* rgb */ color: rgb(25, 31, 88);
/* oklch */ color: oklch(27.4% 0.102 273.1);

Tailwind

colors: {
  custom: {
    50: '#5f5a88',
    500: '#191f58',
    950: '#000000',
  },
}

SCSS

$custom: #191f58;
$custom-light: #5f5a88;
$custom-dark: #000000;

JSON

{
  "hex": "#191f58",
  "rgb": {
    "r": 25,
    "g": 31,
    "b": 88
  },
  "hsl": {
    "h": 234.286,
    "s": 55.752,
    "l": 22.157
  },
  "oklch": {
    "l": 0.27372,
    "c": 0.10181,
    "h": 273.1
  },
  "luminance": 0.01891
}

Semantic roles & 50–950 ramp

primary

#191F58

secondary

#8E873E

accent

#D149DF

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030B

muted

#79787C

Preview Lab

Preview with #191F58

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

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