#191F63#191F63

#191F63 is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.5% C 0.118 H 272.4°. Best body text is #FFFFFF at 14.82:1 contrast (WCAG AA passes).

Color values

HEX	#191F63
RGB	rgb(25, 31, 99)
HSL	hsl(235, 60%, 24%)
HSV	hsv(235, 75%, 39%)
CMYK	cmyk(74.7%, 68.7%, 0%, 61.2%)
CIE-LAB	lab(15.94, 22.81, -40.93)
CIE-LCH	lch(15.94, 46.85, 299.13°)
OKLab	oklab(28.45% 0.0049 -0.1182)
OKLCH	oklch(28.45% 0.118 272.4)
XYZ	xyz(3.1423, 2.0872, 12.0392)
Luminance	0.0209 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191F63 #635D19

analogous

#194463 #191F63 #381963

triadic

#191F63 #63191F #1F6319

tetradic

#191F63 #631944 #635D19 #196338

square

#191F63 #631944 #635D19 #196338

split-complementary

#191F63 #633819 #446319

monochromatic

#060818 #0D1032 #191F63 #252E94 #323EC5

Accessibility & contrast

On white

14.82

#191F63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#191F63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191F63

14.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191F63	#FFFFFF	#000000	##FFFFFF
##191F63	1.00	14.82	1.42	14.82
#FFFFFF	14.82	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B65

Deuteranopia (green-blind)

#002462

Tritanopia (blue-blind)

#00313E

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #191f63;
/* rgb */ color: rgb(25, 31, 99);
/* oklch */ color: oklch(28.5% 0.118 272.4);

Tailwind

colors: {
  custom: {
    50: '#625a90',
    500: '#191f63',
    950: '#000000',
  },
}

SCSS

$custom: #191f63;
$custom-light: #625a90;
$custom-dark: #000000;

JSON

{
  "hex": "#191f63",
  "rgb": {
    "r": 25,
    "g": 31,
    "b": 99
  },
  "hsl": {
    "h": 235.135,
    "s": 59.677,
    "l": 24.314
  },
  "oklch": {
    "l": 0.28454,
    "c": 0.11831,
    "h": 272.4
  },
  "luminance": 0.02087
}

Semantic roles & 50–950 ramp

primary

#191F63

secondary

#99923F

accent

#D645E3

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06040D

muted

#7A797D

Preview Lab

Preview with #191F63

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

Preview Lab → · Contrast checker → · Palette generator →