#193B8F#193B8F

#193B8F is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.4% C 0.145 H 264.0°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#193B8F
RGB	rgb(25, 59, 143)
HSL	hsl(223, 70%, 33%)
HSV	hsv(223, 83%, 56%)
CMYK	cmyk(82.5%, 58.7%, 0%, 43.9%)
CIE-LAB	lab(27.62, 20.78, -49.89)
CIE-LCH	lch(27.62, 54.04, 292.61°)
OKLab	oklab(38.36% -0.0151 -0.1441)
OKLCH	oklch(38.36% 0.145 264)
XYZ	xyz(6.9210, 5.3169, 26.6428)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#193B8F #8F6D19

analogous

#19768F #193B8F #32198F

triadic

#193B8F #8F193B #3B8F19

tetradic

#193B8F #8F1976 #8F6D19 #198F32

square

#193B8F #8F1976 #8F6D19 #198F32

split-complementary

#193B8F #8F3219 #768F19

monochromatic

#071027 #10265B #193B8F #2250C3 #4471DE

Accessibility & contrast

On white

10.18

#193B8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#193B8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #193B8F

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##193B8F	#FFFFFF	#000000	##FFFFFF
##193B8F	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004792

Deuteranopia (green-blind)

#003C8D

Tritanopia (blue-blind)

#00505F

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #193b8f;
/* rgb */ color: rgb(25, 59, 143);
/* oklch */ color: oklch(38.4% 0.145 264.0);

Tailwind

colors: {
  custom: {
    50: '#6b70b1',
    500: '#193b8f',
    950: '#000000',
  },
}

SCSS

$custom: #193b8f;
$custom-light: #6b70b1;
$custom-dark: #000000;

JSON

{
  "hex": "#193b8f",
  "rgb": {
    "r": 25,
    "g": 59,
    "b": 143
  },
  "hsl": {
    "h": 222.712,
    "s": 70.238,
    "l": 32.941
  },
  "oklch": {
    "l": 0.38356,
    "c": 0.14492,
    "h": 264
  },
  "luminance": 0.05318
}

Semantic roles & 50–950 ramp

primary

#193B8F

secondary

#BF9C44

accent

#BA3BED

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080711

muted

#7B7A80

Preview Lab

Preview with #193B8F

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

Preview Lab → · Contrast checker → · Palette generator →