#191D77#191D77

#191D77 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.2% C 0.149 H 271.4°. Best body text is #FFFFFF at 14.16:1 contrast (WCAG AA passes).

Color values

HEX	#191D77
RGB	rgb(25, 29, 119)
HSL	hsl(237, 65%, 28%)
HSV	hsv(237, 79%, 47%)
CMYK	cmyk(79%, 75.6%, 0%, 53.3%)
CIE-LAB	lab(17.54, 31.77, -51.32)
CIE-LCH	lch(17.54, 60.36, 301.76°)
OKLab	oklab(30.24% 0.0037 -0.1486)
OKLCH	oklch(30.24% 0.149 271.4)
XYZ	xyz(4.1689, 2.4169, 17.6960)
Luminance	0.0242 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191D77 #777319

analogous

#194C77 #191D77 #441977

triadic

#191D77 #77191D #1D7719

tetradic

#191D77 #77194C #777319 #197744

square

#191D77 #77194C #777319 #197744

split-complementary

#191D77 #774419 #4C7719

monochromatic

#050619 #0E1144 #191D77 #2429AA #363CD5

Accessibility & contrast

On white

14.16

#191D77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#191D77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191D77

14.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191D77	#FFFFFF	#000000	##FFFFFF
##191D77	1.00	14.16	1.48	14.16
#FFFFFF	14.16	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307A

Deuteranopia (green-blind)

#002675

Tritanopia (blue-blind)

#003748

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #191d77;
/* rgb */ color: rgb(25, 29, 119);
/* oklch */ color: oklch(30.2% 0.149 271.4);

Tailwind

colors: {
  custom: {
    50: '#675a9f',
    500: '#191d77',
    950: '#000000',
  },
}

SCSS

$custom: #191d77;
$custom-light: #675a9f;
$custom-dark: #000000;

JSON

{
  "hex": "#191d77",
  "rgb": {
    "r": 25,
    "g": 29,
    "b": 119
  },
  "hsl": {
    "h": 237.447,
    "s": 65.278,
    "l": 28.235
  },
  "oklch": {
    "l": 0.30244,
    "c": 0.14861,
    "h": 271.4
  },
  "luminance": 0.02417
}

Semantic roles & 50–950 ramp

primary

#191D77

secondary

#ACA740

accent

#E140E8

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07040F

muted

#7A797E

Preview Lab

Preview with #191D77

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

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