#191F40#191F40

#191F40 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.3% C 0.063 H 273.4°. Best body text is #FFFFFF at 16.01:1 contrast (WCAG AA passes).

Color values

HEX	#191F40
RGB	rgb(25, 31, 64)
HSL	hsl(231, 44%, 17%)
HSV	hsv(231, 61%, 25%)
CMYK	cmyk(60.9%, 51.6%, 0%, 74.9%)
CIE-LAB	lab(12.96, 8.82, -21.94)
CIE-LCH	lch(12.96, 23.65, 291.91°)
OKLab	oklab(25.3% 0.0037 -0.0624)
OKLCH	oklch(25.3% 0.063 273.4)
XYZ	xyz(1.8160, 1.5567, 5.0543)
Luminance	0.0156 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191F40 #403A19

analogous

#193340 #191F40 #261940

triadic

#191F40 #40191F #1F4019

tetradic

#191F40 #401933 #403A19 #194026

square

#191F40 #401933 #403A19 #194026

split-complementary

#191F40 #402619 #334019

monochromatic

#090B16 #090B16 #191F40 #2A346C #3B4A98

Accessibility & contrast

On white

16.01

#191F40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#191F40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191F40

16.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191F40	#FFFFFF	#000000	##FFFFFF
##191F40	1.00	16.01	1.31	16.01
#FFFFFF	16.01	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#112341

Deuteranopia (green-blind)

#0C203F

Tritanopia (blue-blind)

#07262C

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #191f40;
/* rgb */ color: rgb(25, 31, 64);
/* oklch */ color: oklch(25.3% 0.063 273.4);

Tailwind

colors: {
  custom: {
    50: '#595a75',
    500: '#191f40',
    950: '#000000',
  },
}

SCSS

$custom: #191f40;
$custom-light: #595a75;
$custom-dark: #000000;

JSON

{
  "hex": "#191f40",
  "rgb": {
    "r": 25,
    "g": 31,
    "b": 64
  },
  "hsl": {
    "h": 230.769,
    "s": 43.82,
    "l": 17.451
  },
  "oklch": {
    "l": 0.25299,
    "c": 0.06253,
    "h": 273.4
  },
  "luminance": 0.01557
}

Semantic roles & 50–950 ramp

primary

#191F40

secondary

#766E3F

accent

#C054D4

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040308

muted

#79787B

Preview Lab

Preview with #191F40

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

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