#19377B#19377B

#19377B is a dark, vivid blue. Relative luminance 0.044; OKLCH L 35.8% C 0.121 H 263.5°. Best body text is #FFFFFF at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#19377B
RGB	rgb(25, 55, 123)
HSL	hsl(222, 66%, 29%)
HSV	hsv(222, 80%, 48%)
CMYK	cmyk(79.7%, 55.3%, 0%, 51.8%)
CIE-LAB	lab(24.85, 15.42, -41.90)
CIE-LCH	lch(24.85, 44.65, 290.20°)
OKLab	oklab(35.76% -0.0137 -0.1207)
OKLCH	oklch(35.76% 0.122 263.5)
XYZ	xyz(5.3410, 4.3685, 19.2968)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#19377B #7B5D19

analogous

#19687B #19377B #2C197B

triadic

#19377B #7B1937 #377B19

tetradic

#19377B #7B1968 #7B5D19 #197B2C

square

#19377B #7B1968 #7B5D19 #197B2C

split-complementary

#19377B #7B2C19 #687B19

monochromatic

#050B19 #0F2048 #19377B #234EAE #3868D7

Accessibility & contrast

On white

11.21

#19377B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#19377B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #19377B

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##19377B	#FFFFFF	#000000	##FFFFFF
##19377B	1.00	11.21	1.87	11.21
#FFFFFF	11.21	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#04407D

Deuteranopia (green-blind)

#00377A

Tritanopia (blue-blind)

#004853

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #19377b;
/* rgb */ color: rgb(25, 55, 123);
/* oklch */ color: oklch(35.8% 0.121 263.5);

Tailwind

colors: {
  custom: {
    50: '#666da2',
    500: '#19377b',
    950: '#000000',
  },
}

SCSS

$custom: #19377b;
$custom-light: #666da2;
$custom-dark: #000000;

JSON

{
  "hex": "#19377b",
  "rgb": {
    "r": 25,
    "g": 55,
    "b": 123
  },
  "hsl": {
    "h": 221.633,
    "s": 66.216,
    "l": 29.02
  },
  "oklch": {
    "l": 0.35761,
    "c": 0.1215,
    "h": 263.5
  },
  "luminance": 0.04369
}

Semantic roles & 50–950 ramp

primary

#19377B

secondary

#AF8D40

accent

#B53FE9

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #19377B

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

Preview Lab → · Contrast checker → · Palette generator →