#1B4493#1B4493

#1B4493 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.7% C 0.138 H 261.8°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#1B4493
RGB	rgb(27, 68, 147)
HSL	hsl(220, 69%, 34%)
HSV	hsv(220, 82%, 58%)
CMYK	cmyk(81.6%, 53.7%, 0%, 42.4%)
CIE-LAB	lab(30.58, 16.37, -47.54)
CIE-LCH	lch(30.58, 50.28, 289.00°)
OKLab	oklab(40.71% -0.0198 -0.137)
OKLCH	oklch(40.71% 0.138 261.8)
XYZ	xyz(7.7837, 6.4729, 28.4373)
Luminance	0.0647 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4493 #936A1B

analogous

#1B8093 #1B4493 #2E1B93

triadic

#1B4493 #931B44 #44931B

tetradic

#1B4493 #931B80 #936A1B #1B932E

square

#1B4493 #931B80 #936A1B #1B932E

split-complementary

#1B4493 #932E1B #80931B

monochromatic

#08142C #122C5F #1B4493 #245CC7 #4B7DDE

Accessibility & contrast

On white

9.15

#1B4493 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#1B4493 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4493

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4493	#FFFFFF	#000000	##FFFFFF
##1B4493	1.00	9.15	2.29	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#094E96

Deuteranopia (green-blind)

#004391

Tritanopia (blue-blind)

#005764

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1b4493;
/* rgb */ color: rgb(27, 68, 147);
/* oklch */ color: oklch(40.7% 0.138 261.8);

Tailwind

colors: {
  custom: {
    50: '#6c77b3',
    500: '#1b4493',
    950: '#000000',
  },
}

SCSS

$custom: #1b4493;
$custom-light: #6c77b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4493",
  "rgb": {
    "r": 27,
    "g": 68,
    "b": 147
  },
  "hsl": {
    "h": 219.5,
    "s": 68.966,
    "l": 34.118
  },
  "oklch": {
    "l": 0.40711,
    "c": 0.13844,
    "h": 261.8
  },
  "luminance": 0.06474
}

Semantic roles & 50–950 ramp

primary

#1B4493

secondary

#C0984A

accent

#B03CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1B4493

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

Preview Lab → · Contrast checker → · Palette generator →