#193D8D#193D8D

#193D8D is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.6% C 0.140 H 263.2°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#193D8D
RGB	rgb(25, 61, 141)
HSL	hsl(221, 70%, 33%)
HSV	hsv(221, 82%, 55%)
CMYK	cmyk(82.3%, 56.7%, 0%, 44.7%)
CIE-LAB	lab(28.02, 18.57, -48.00)
CIE-LCH	lch(28.02, 51.46, 291.16°)
OKLab	oklab(38.61% -0.0166 -0.1385)
OKLCH	oklch(38.61% 0.14 263.2)
XYZ	xyz(6.8756, 5.4664, 25.8869)
Luminance	0.0547 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#193D8D #8D6919

analogous

#19778D #193D8D #2F198D

triadic

#193D8D #8D193D #3D8D19

tetradic

#193D8D #8D1977 #8D6919 #198D2F

square

#193D8D #8D1977 #8D6919 #198D2F

split-complementary

#193D8D #8D2F19 #778D19

monochromatic

#071025 #102759 #193D8D #2253C1 #4373DE

Accessibility & contrast

On white

10.03

#193D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#193D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #193D8D

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##193D8D	#FFFFFF	#000000	##FFFFFF
##193D8D	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004890

Deuteranopia (green-blind)

#003D8B

Tritanopia (blue-blind)

#00515F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #193d8d;
/* rgb */ color: rgb(25, 61, 141);
/* oklch */ color: oklch(38.6% 0.140 263.2);

Tailwind

colors: {
  custom: {
    50: '#6a71af',
    500: '#193d8d',
    950: '#000000',
  },
}

SCSS

$custom: #193d8d;
$custom-light: #6a71af;
$custom-dark: #000000;

JSON

{
  "hex": "#193d8d",
  "rgb": {
    "r": 25,
    "g": 61,
    "b": 141
  },
  "hsl": {
    "h": 221.379,
    "s": 69.88,
    "l": 32.549
  },
  "oklch": {
    "l": 0.3861,
    "c": 0.13952,
    "h": 263.2
  },
  "luminance": 0.05467
}

Semantic roles & 50–950 ramp

primary

#193D8D

secondary

#BF9843

accent

#B63BED

background

#F6F6FA

surface

#ECECF5

border

#C7C7CF

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #193D8D

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

Preview Lab → · Contrast checker → · Palette generator →