#19337B#19337B

#19337B is a dark, vivid blue. Relative luminance 0.040; OKLCH L 34.9% C 0.127 H 265.2°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#19337B
RGB	rgb(25, 51, 123)
HSL	hsl(224, 66%, 29%)
HSV	hsv(224, 80%, 48%)
CMYK	cmyk(79.7%, 58.5%, 0%, 51.8%)
CIE-LAB	lab(23.68, 18.26, -43.80)
CIE-LCH	lch(23.68, 47.45, 292.63°)
OKLab	oklab(34.88% -0.0105 -0.1264)
OKLCH	oklch(34.88% 0.127 265.2)
XYZ	xyz(5.1586, 4.0038, 19.2360)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#19337B #7B6119

analogous

#19647B #19337B #30197B

triadic

#19337B #7B1933 #337B19

tetradic

#19337B #7B1964 #7B6119 #197B30

square

#19337B #7B1964 #7B6119 #197B30

split-complementary

#19337B #7B3019 #647B19

monochromatic

#050B19 #0F1E48 #19337B #2348AE #3862D7

Accessibility & contrast

On white

11.66

#19337B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#19337B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #19337B

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##19337B	#FFFFFF	#000000	##FFFFFF
##19337B	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D7D

Deuteranopia (green-blind)

#00347A

Tritanopia (blue-blind)

#004551

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #19337b;
/* rgb */ color: rgb(25, 51, 123);
/* oklch */ color: oklch(34.9% 0.127 265.2);

Tailwind

colors: {
  custom: {
    50: '#666aa2',
    500: '#19337b',
    950: '#000000',
  },
}

SCSS

$custom: #19337b;
$custom-light: #666aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#19337b",
  "rgb": {
    "r": 25,
    "g": 51,
    "b": 123
  },
  "hsl": {
    "h": 224.082,
    "s": 66.216,
    "l": 29.02
  },
  "oklch": {
    "l": 0.34877,
    "c": 0.12683,
    "h": 265.2
  },
  "luminance": 0.04004
}

Semantic roles & 50–950 ramp

primary

#19337B

secondary

#AF9240

accent

#BC3FE9

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #19337B

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

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