#193DB4#193DB4

#193DB4 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.2% C 0.192 H 265.3°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#193DB4
RGB	rgb(25, 61, 180)
HSL	hsl(226, 76%, 40%)
HSV	hsv(226, 86%, 71%)
CMYK	cmyk(86.1%, 66.1%, 0%, 29.4%)
CIE-LAB	lab(31.44, 33.95, -66.02)
CIE-LCH	lch(31.44, 74.24, 297.22°)
OKLab	oklab(42.2% -0.0158 -0.1913)
OKLCH	oklch(42.2% 0.192 265.3)
XYZ	xyz(10.3050, 6.8382, 43.9479)
Luminance	0.0684 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#193DB4 #B49019

analogous

#198AB4 #193DB4 #4319B4

triadic

#193DB4 #B4193D #3DB419

tetradic

#193DB4 #B4198A #B49019 #19B443

square

#193DB4 #B4198A #B49019 #19B443

split-complementary

#193DB4 #B44319 #8AB419

monochromatic

#0A1949 #122B7E #193DB4 #2954E1 #5F7FE9

Accessibility & contrast

On white

8.87

#193DB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#193DB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #193DB4

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##193DB4	#FFFFFF	#000000	##FFFFFF
##193DB4	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B8

Deuteranopia (green-blind)

#0043B2

Tritanopia (blue-blind)

#005D73

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #193db4;
/* rgb */ color: rgb(25, 61, 180);
/* oklch */ color: oklch(42.2% 0.192 265.3);

Tailwind

colors: {
  custom: {
    50: '#7572cc',
    500: '#193db4',
    950: '#000000',
  },
}

SCSS

$custom: #193db4;
$custom-light: #7572cc;
$custom-dark: #000000;

JSON

{
  "hex": "#193db4",
  "rgb": {
    "r": 25,
    "g": 61,
    "b": 180
  },
  "hsl": {
    "h": 226.065,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.42204,
    "c": 0.19199,
    "h": 265.3
  },
  "luminance": 0.06839
}

Semantic roles & 50–950 ramp

primary

#193DB4

secondary

#CDB35C

accent

#C636F2

background

#F7F6FC

surface

#EEECF9

border

#C9C7D2

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #193DB4

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

Preview Lab → · Contrast checker → · Palette generator →