#19387C#19387C

#19387C is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.1% C 0.122 H 263.2°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#19387C
RGB	rgb(25, 56, 124)
HSL	hsl(221, 66%, 29%)
HSV	hsv(221, 80%, 49%)
CMYK	cmyk(79.8%, 54.8%, 0%, 51.4%)
CIE-LAB	lab(25.23, 15.12, -41.93)
CIE-LCH	lch(25.23, 44.57, 289.83°)
OKLab	oklab(36.07% -0.0144 -0.1208)
OKLCH	oklch(36.07% 0.122 263.2)
XYZ	xyz(5.4519, 4.4896, 19.6441)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#19387C #7C5D19

analogous

#196A7C #19387C #2C197C

triadic

#19387C #7C1938 #387C19

tetradic

#19387C #7C196A #7C5D19 #197C2C

square

#19387C #7C196A #7C5D19 #197C2C

split-complementary

#19387C #7C2C19 #6A7C19

monochromatic

#050C19 #0F2149 #19387C #234FAF #386AD7

Accessibility & contrast

On white

11.06

#19387C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#19387C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #19387C

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##19387C	#FFFFFF	#000000	##FFFFFF
##19387C	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#06417E

Deuteranopia (green-blind)

#00387B

Tritanopia (blue-blind)

#004954

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #19387c;
/* rgb */ color: rgb(25, 56, 124);
/* oklch */ color: oklch(36.1% 0.122 263.2);

Tailwind

colors: {
  custom: {
    50: '#666ea2',
    500: '#19387c',
    950: '#000000',
  },
}

SCSS

$custom: #19387c;
$custom-light: #666ea2;
$custom-dark: #000000;

JSON

{
  "hex": "#19387c",
  "rgb": {
    "r": 25,
    "g": 56,
    "b": 124
  },
  "hsl": {
    "h": 221.212,
    "s": 66.443,
    "l": 29.216
  },
  "oklch": {
    "l": 0.3607,
    "c": 0.12164,
    "h": 263.2
  },
  "luminance": 0.0449
}

Semantic roles & 50–950 ramp

primary

#19387C

secondary

#B08D40

accent

#B43EE9

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #19387C

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

Preview Lab → · Contrast checker → · Palette generator →