#190F5B#190F5B

#190F5B is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.9% C 0.126 H 277.9°. Best body text is #FFFFFF at 16.66:1 contrast (WCAG AA passes).

Color values

HEX	#190F5B
RGB	rgb(25, 15, 91)
HSL	hsl(248, 72%, 21%)
HSV	hsv(248, 84%, 36%)
CMYK	cmyk(72.5%, 83.5%, 0%, 64.3%)
CIE-LAB	lab(11.30, 30.22, -43.22)
CIE-LCH	lch(11.30, 52.74, 304.96°)
OKLab	oklab(24.87% 0.0174 -0.1249)
OKLCH	oklch(24.87% 0.126 277.9)
XYZ	xyz(2.4594, 1.3034, 10.0175)
Luminance	0.0130 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#190F5B #515B0F

analogous

#0F2B5B #190F5B #3F0F5B

triadic

#190F5B #5B190F #0F5B19

tetradic

#190F5B #5B0F2B #515B0F #0F5B3F

square

#190F5B #5B0F2B #515B0F #0F5B3F

split-complementary

#190F5B #5B3F0F #2B5B0F

monochromatic

#07041A #0B0626 #190F5B #271890 #3620C4

Accessibility & contrast

On white

16.66

#190F5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#190F5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #190F5B

16.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##190F5B	#FFFFFF	#000000	##FFFFFF
##190F5B	1.00	16.66	1.26	16.66
#FFFFFF	16.66	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215D

Deuteranopia (green-blind)

#001B5A

Tritanopia (blue-blind)

#002635

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #190f5b;
/* rgb */ color: rgb(25, 15, 91);
/* oklch */ color: oklch(24.9% 0.126 277.9);

Tailwind

colors: {
  custom: {
    50: '#614f8a',
    500: '#190f5b',
    950: '#000000',
  },
}

SCSS

$custom: #190f5b;
$custom-light: #614f8a;
$custom-dark: #000000;

JSON

{
  "hex": "#190f5b",
  "rgb": {
    "r": 25,
    "g": 15,
    "b": 91
  },
  "hsl": {
    "h": 247.895,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.24869,
    "c": 0.12607,
    "h": 277.9
  },
  "luminance": 0.01304
}

Semantic roles & 50–950 ramp

primary

#190F5B

secondary

#879531

accent

#EE39D7

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #190F5B

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

Preview Lab → · Contrast checker → · Palette generator →