#193D8B#193D8B

#193D8B is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.4% C 0.137 H 262.9°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#193D8B
RGB	rgb(25, 61, 139)
HSL	hsl(221, 70%, 32%)
HSV	hsv(221, 82%, 55%)
CMYK	cmyk(82%, 56.1%, 0%, 45.5%)
CIE-LAB	lab(27.87, 17.76, -47.02)
CIE-LCH	lch(27.87, 50.26, 290.69°)
OKLab	oklab(38.44% -0.0168 -0.1357)
OKLCH	oklch(38.44% 0.137 262.9)
XYZ	xyz(6.7282, 5.4074, 25.1102)
Luminance	0.0541 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#193D8B #8B6719

analogous

#19768B #193D8B #2E198B

triadic

#193D8B #8B193D #3D8B19

tetradic

#193D8B #8B1976 #8B6719 #198B2E

square

#193D8B #8B1976 #8B6719 #198B2E

split-complementary

#193D8B #8B2E19 #768B19

monochromatic

#060F23 #102657 #193D8B #2254BF #4173DD

Accessibility & contrast

On white

10.09

#193D8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#193D8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #193D8B

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##193D8B	#FFFFFF	#000000	##FFFFFF
##193D8B	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00478E

Deuteranopia (green-blind)

#003D89

Tritanopia (blue-blind)

#00505E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #193d8b;
/* rgb */ color: rgb(25, 61, 139);
/* oklch */ color: oklch(38.4% 0.137 262.9);

Tailwind

colors: {
  custom: {
    50: '#6a71ad',
    500: '#193d8b',
    950: '#000000',
  },
}

SCSS

$custom: #193d8b;
$custom-light: #6a71ad;
$custom-dark: #000000;

JSON

{
  "hex": "#193d8b",
  "rgb": {
    "r": 25,
    "g": 61,
    "b": 139
  },
  "hsl": {
    "h": 221.053,
    "s": 69.512,
    "l": 32.157
  },
  "oklch": {
    "l": 0.3844,
    "c": 0.13669,
    "h": 262.9
  },
  "luminance": 0.05408
}

Semantic roles & 50–950 ramp

primary

#193D8B

secondary

#BE9742

accent

#B43BEC

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #193D8B

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

Preview Lab → · Contrast checker → · Palette generator →