#1B4196#1B4196

#1B4196 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.3% C 0.146 H 263.2°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#1B4196
RGB	rgb(27, 65, 150)
HSL	hsl(221, 69%, 35%)
HSV	hsv(221, 82%, 59%)
CMYK	cmyk(82%, 56.7%, 0%, 41.2%)
CIE-LAB	lab(29.95, 19.65, -50.39)
CIE-LCH	lch(29.95, 54.09, 291.30°)
OKLab	oklab(40.31% -0.0173 -0.1455)
OKLCH	oklch(40.31% 0.146 263.2)
XYZ	xyz(7.8453, 6.2147, 29.6343)
Luminance	0.0622 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4196 #96701B

analogous

#1B7F96 #1B4196 #321B96

triadic

#1B4196 #961B41 #41961B

tetradic

#1B4196 #961B7F #96701B #1B9632

square

#1B4196 #961B7F #96701B #1B9632

split-complementary

#1B4196 #96321B #7F961B

monochromatic

#08142E #122B62 #1B4196 #2457CA #4D7ADF

Accessibility & contrast

On white

9.36

#1B4196 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#1B4196 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4196

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4196	#FFFFFF	#000000	##FFFFFF
##1B4196	1.00	9.36	2.24	9.36
#FFFFFF	9.36	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C99

Deuteranopia (green-blind)

#004194

Tritanopia (blue-blind)

#005665

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1b4196;
/* rgb */ color: rgb(27, 65, 150);
/* oklch */ color: oklch(40.3% 0.146 263.2);

Tailwind

colors: {
  custom: {
    50: '#6d75b6',
    500: '#1b4196',
    950: '#000000',
  },
}

SCSS

$custom: #1b4196;
$custom-light: #6d75b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4196",
  "rgb": {
    "r": 27,
    "g": 65,
    "b": 150
  },
  "hsl": {
    "h": 221.463,
    "s": 69.492,
    "l": 34.706
  },
  "oklch": {
    "l": 0.40308,
    "c": 0.14649,
    "h": 263.2
  },
  "luminance": 0.06216
}

Semantic roles & 50–950 ramp

primary

#1B4196

secondary

#C19D4C

accent

#B63BEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1B4196

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

Preview Lab → · Contrast checker → · Palette generator →