#193A8B#193A8B

#193A8B is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.8% C 0.141 H 264.0°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#193A8B
RGB	rgb(25, 58, 139)
HSL	hsl(223, 70%, 32%)
HSV	hsv(223, 82%, 55%)
CMYK	cmyk(82%, 58.3%, 0%, 45.5%)
CIE-LAB	lab(27.01, 19.85, -48.41)
CIE-LCH	lch(27.01, 52.33, 292.30°)
OKLab	oklab(37.79% -0.0146 -0.1398)
OKLCH	oklch(37.79% 0.141 264)
XYZ	xyz(6.5725, 5.0961, 25.0583)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#193A8B #8B6A19

analogous

#19738B #193A8B #31198B

triadic

#193A8B #8B193A #3A8B19

tetradic

#193A8B #8B1973 #8B6A19 #198B31

square

#193A8B #8B1973 #8B6A19 #198B31

split-complementary

#193A8B #8B3119 #738B19

monochromatic

#060F23 #102457 #193A8B #2250BF #416EDD

Accessibility & contrast

On white

10.40

#193A8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#193A8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #193A8B

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##193A8B	#FFFFFF	#000000	##FFFFFF
##193A8B	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458E

Deuteranopia (green-blind)

#003B89

Tritanopia (blue-blind)

#004E5C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #193a8b;
/* rgb */ color: rgb(25, 58, 139);
/* oklch */ color: oklch(37.8% 0.141 264.0);

Tailwind

colors: {
  custom: {
    50: '#6a6fae',
    500: '#193a8b',
    950: '#000000',
  },
}

SCSS

$custom: #193a8b;
$custom-light: #6a6fae;
$custom-dark: #000000;

JSON

{
  "hex": "#193a8b",
  "rgb": {
    "r": 25,
    "g": 58,
    "b": 139
  },
  "hsl": {
    "h": 222.632,
    "s": 69.512,
    "l": 32.157
  },
  "oklch": {
    "l": 0.37792,
    "c": 0.14057,
    "h": 264
  },
  "luminance": 0.05097
}

Semantic roles & 50–950 ramp

primary

#193A8B

secondary

#BE9A42

accent

#B93BEC

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #193A8B

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

Preview Lab → · Contrast checker → · Palette generator →