#191F77#191F77

#191F77 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.6% C 0.146 H 271.0°. Best body text is #FFFFFF at 13.96:1 contrast (WCAG AA passes).

Color values

HEX	#191F77
RGB	rgb(25, 31, 119)
HSL	hsl(236, 65%, 28%)
HSV	hsv(236, 79%, 47%)
CMYK	cmyk(79%, 73.9%, 0%, 53.3%)
CIE-LAB	lab(18.00, 30.49, -50.56)
CIE-LCH	lch(18.00, 59.04, 301.09°)
OKLab	oklab(30.58% 0.0027 -0.1463)
OKLCH	oklch(30.58% 0.146 271)
XYZ	xyz(4.2195, 2.5181, 17.7128)
Luminance	0.0252 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191F77 #777119

analogous

#194E77 #191F77 #421977

triadic

#191F77 #77191F #1F7719

tetradic

#191F77 #77194E #777119 #197742

square

#191F77 #77194E #777119 #197742

split-complementary

#191F77 #774219 #4E7719

monochromatic

#050719 #0E1244 #191F77 #242CAA #3640D5

Accessibility & contrast

On white

13.96

#191F77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#191F77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191F77

13.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191F77	#FFFFFF	#000000	##FFFFFF
##191F77	1.00	13.96	1.50	13.96
#FFFFFF	13.96	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317A

Deuteranopia (green-blind)

#002775

Tritanopia (blue-blind)

#003848

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #191f77;
/* rgb */ color: rgb(25, 31, 119);
/* oklch */ color: oklch(30.6% 0.146 271.0);

Tailwind

colors: {
  custom: {
    50: '#675b9f',
    500: '#191f77',
    950: '#000000',
  },
}

SCSS

$custom: #191f77;
$custom-light: #675b9f;
$custom-dark: #000000;

JSON

{
  "hex": "#191f77",
  "rgb": {
    "r": 25,
    "g": 31,
    "b": 119
  },
  "hsl": {
    "h": 236.17,
    "s": 65.278,
    "l": 28.235
  },
  "oklch": {
    "l": 0.30575,
    "c": 0.14637,
    "h": 271
  },
  "luminance": 0.02519
}

Semantic roles & 50–950 ramp

primary

#191F77

secondary

#ACA540

accent

#DD40E8

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040F

muted

#7A797E

Preview Lab

Preview with #191F77

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

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