#193F8F#193F8F

#193F8F is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.2% C 0.140 H 262.7°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#193F8F
RGB	rgb(25, 63, 143)
HSL	hsl(221, 70%, 33%)
HSV	hsv(221, 83%, 56%)
CMYK	cmyk(82.5%, 55.9%, 0%, 43.9%)
CIE-LAB	lab(28.76, 18.00, -48.04)
CIE-LCH	lch(28.76, 51.30, 290.54°)
OKLab	oklab(39.22% -0.0179 -0.1386)
OKLCH	oklch(39.22% 0.14 262.7)
XYZ	xyz(7.1346, 5.7440, 26.7140)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#193F8F #8F6919

analogous

#197A8F #193F8F #2E198F

triadic

#193F8F #8F193F #3F8F19

tetradic

#193F8F #8F197A #8F6919 #198F2E

square

#193F8F #8F197A #8F6919 #198F2E

split-complementary

#193F8F #8F2E19 #7A8F19

monochromatic

#071127 #10285B #193F8F #2256C3 #4476DE

Accessibility & contrast

On white

9.77

#193F8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#193F8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #193F8F

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##193F8F	#FFFFFF	#000000	##FFFFFF
##193F8F	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004992

Deuteranopia (green-blind)

#003F8D

Tritanopia (blue-blind)

#005360

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #193f8f;
/* rgb */ color: rgb(25, 63, 143);
/* oklch */ color: oklch(39.2% 0.140 262.7);

Tailwind

colors: {
  custom: {
    50: '#6b73b0',
    500: '#193f8f',
    950: '#000000',
  },
}

SCSS

$custom: #193f8f;
$custom-light: #6b73b0;
$custom-dark: #000000;

JSON

{
  "hex": "#193f8f",
  "rgb": {
    "r": 25,
    "g": 63,
    "b": 143
  },
  "hsl": {
    "h": 220.678,
    "s": 70.238,
    "l": 32.941
  },
  "oklch": {
    "l": 0.39215,
    "c": 0.13977,
    "h": 262.7
  },
  "luminance": 0.05745
}

Semantic roles & 50–950 ramp

primary

#193F8F

secondary

#BF9844

accent

#B43BED

background

#F6F6FA

surface

#ECECF5

border

#C7C7CF

text

#080811

muted

#7A7B80

Preview Lab

Preview with #193F8F

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

Preview Lab → · Contrast checker → · Palette generator →