#1B4796#1B4796

#1B4796 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.6% C 0.139 H 261.0°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#1B4796
RGB	rgb(27, 71, 150)
HSL	hsl(219, 69%, 35%)
HSV	hsv(219, 82%, 59%)
CMYK	cmyk(82%, 52.7%, 0%, 41.2%)
CIE-LAB	lab(31.67, 15.53, -47.60)
CIE-LCH	lch(31.67, 50.06, 288.07°)
OKLab	oklab(41.62% -0.0217 -0.1371)
OKLCH	oklch(41.62% 0.139 261)
XYZ	xyz(8.2083, 6.9405, 29.7553)
Luminance	0.0694 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4796 #966A1B

analogous

#1B8496 #1B4796 #2D1B96

triadic

#1B4796 #961B47 #47961B

tetradic

#1B4796 #961B84 #966A1B #1B962D

square

#1B4796 #961B84 #966A1B #1B962D

split-complementary

#1B4796 #962D1B #84961B

monochromatic

#08162E #122E62 #1B4796 #2460CA #4D81DF

Accessibility & contrast

On white

8.79

#1B4796 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#1B4796 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4796

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4796	#FFFFFF	#000000	##FFFFFF
##1B4796	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#115099

Deuteranopia (green-blind)

#004594

Tritanopia (blue-blind)

#005A67

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1b4796;
/* rgb */ color: rgb(27, 71, 150);
/* oklch */ color: oklch(41.6% 0.139 261.0);

Tailwind

colors: {
  custom: {
    50: '#6d79b5',
    500: '#1b4796',
    950: '#000000',
  },
}

SCSS

$custom: #1b4796;
$custom-light: #6d79b5;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4796",
  "rgb": {
    "r": 27,
    "g": 71,
    "b": 150
  },
  "hsl": {
    "h": 218.537,
    "s": 69.492,
    "l": 34.706
  },
  "oklch": {
    "l": 0.41616,
    "c": 0.13882,
    "h": 261
  },
  "luminance": 0.06941
}

Semantic roles & 50–950 ramp

primary

#1B4796

secondary

#C1974C

accent

#AD3BEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1B4796

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

Preview Lab → · Contrast checker → · Palette generator →