#19287F#19287F

#19287F is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.0% C 0.147 H 268.8°. Best body text is #FFFFFF at 12.72:1 contrast (WCAG AA passes).

Color values

HEX	#19287F
RGB	rgb(25, 40, 127)
HSL	hsl(231, 67%, 30%)
HSV	hsv(231, 80%, 50%)
CMYK	cmyk(80.3%, 68.5%, 0%, 50.2%)
CIE-LAB	lab(21.04, 27.55, -50.65)
CIE-LCH	lch(21.04, 57.66, 298.54°)
OKLab	oklab(33.03% -0.0031 -0.1466)
OKLCH	oklch(33.03% 0.147 268.8)
XYZ	xyz(4.9891, 3.2560, 20.4401)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#19287F #7F7019

analogous

#195B7F #19287F #3D197F

triadic

#19287F #7F1928 #287F19

tetradic

#19287F #7F195B #7F7019 #197F3D

square

#19287F #7F195B #7F7019 #197F3D

split-complementary

#19287F #7F3D19 #5B7F19

monochromatic

#05081A #0F184C #19287F #2338B2 #3A51D8

Accessibility & contrast

On white

12.72

#19287F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#19287F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #19287F

12.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##19287F	#FFFFFF	#000000	##FFFFFF
##19287F	1.00	12.72	1.65	12.72
#FFFFFF	12.72	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003782

Deuteranopia (green-blind)

#002E7D

Tritanopia (blue-blind)

#003F50

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #19287f;
/* rgb */ color: rgb(25, 40, 127);
/* oklch */ color: oklch(33.0% 0.147 268.8);

Tailwind

colors: {
  custom: {
    50: '#6862a5',
    500: '#19287f',
    950: '#000000',
  },
}

SCSS

$custom: #19287f;
$custom-light: #6862a5;
$custom-dark: #000000;

JSON

{
  "hex": "#19287f",
  "rgb": {
    "r": 25,
    "g": 40,
    "b": 127
  },
  "hsl": {
    "h": 231.176,
    "s": 67.105,
    "l": 29.804
  },
  "oklch": {
    "l": 0.33029,
    "c": 0.14664,
    "h": 268.8
  },
  "luminance": 0.03257
}

Semantic roles & 50–950 ramp

primary

#19287F

secondary

#B3A241

accent

#D13EEA

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #19287F

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

Preview Lab → · Contrast checker → · Palette generator →