#193781#193781

#193781 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.3% C 0.130 H 264.2°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#193781
RGB	rgb(25, 55, 129)
HSL	hsl(223, 68%, 30%)
HSV	hsv(223, 81%, 51%)
CMYK	cmyk(80.6%, 57.4%, 0%, 49.4%)
CIE-LAB	lab(25.33, 17.88, -44.91)
CIE-LCH	lch(25.33, 48.33, 291.71°)
OKLab	oklab(36.27% -0.0132 -0.1296)
OKLCH	oklch(36.27% 0.13 264.2)
XYZ	xyz(5.7281, 4.5234, 21.3358)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#193781 #816319

analogous

#196B81 #193781 #2F1981

triadic

#193781 #811937 #378119

tetradic

#193781 #81196B #816319 #19812F

square

#193781 #81196B #816319 #19812F

split-complementary

#193781 #812F19 #6B8119

monochromatic

#050B1A #0F214E #193781 #234DB4 #3B69D9

Accessibility & contrast

On white

11.02

#193781 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#193781 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #193781

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##193781	#FFFFFF	#000000	##FFFFFF
##193781	1.00	11.02	1.90	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004184

Deuteranopia (green-blind)

#003780

Tritanopia (blue-blind)

#004956

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #193781;
/* rgb */ color: rgb(25, 55, 129);
/* oklch */ color: oklch(36.3% 0.130 264.2);

Tailwind

colors: {
  custom: {
    50: '#686da6',
    500: '#193781',
    950: '#000000',
  },
}

SCSS

$custom: #193781;
$custom-light: #686da6;
$custom-dark: #000000;

JSON

{
  "hex": "#193781",
  "rgb": {
    "r": 25,
    "g": 55,
    "b": 129
  },
  "hsl": {
    "h": 222.692,
    "s": 67.532,
    "l": 30.196
  },
  "oklch": {
    "l": 0.36273,
    "c": 0.13023,
    "h": 264.2
  },
  "luminance": 0.04524
}

Semantic roles & 50–950 ramp

primary

#193781

secondary

#B59341

accent

#B93DEA

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #193781

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

Preview Lab → · Contrast checker → · Palette generator →