#1B4892#1B4892

#1B4892 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.5% C 0.132 H 260.0°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#1B4892
RGB	rgb(27, 72, 146)
HSL	hsl(217, 69%, 34%)
HSV	hsv(217, 82%, 57%)
CMYK	cmyk(81.5%, 50.7%, 0%, 42.7%)
CIE-LAB	lab(31.67, 13.22, -45.15)
CIE-LCH	lch(31.67, 47.05, 286.32°)
OKLab	oklab(41.53% -0.023 -0.1299)
OKLCH	oklch(41.53% 0.132 260)
XYZ	xyz(7.9558, 6.9421, 28.1092)
Luminance	0.0694 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4892 #92651B

analogous

#1B8492 #1B4892 #2A1B92

triadic

#1B4892 #921B48 #48921B

tetradic

#1B4892 #921B84 #92651B #1B922A

square

#1B4892 #921B84 #92651B #1B922A

split-complementary

#1B4892 #922A1B #84921B

monochromatic

#08152B #112F5E #1B4892 #2561C6 #4A82DE

Accessibility & contrast

On white

8.79

#1B4892 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#1B4892 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4892

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4892	#FFFFFF	#000000	##FFFFFF
##1B4892	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)

#1B5095

Deuteranopia (green-blind)

#004591

Tritanopia (blue-blind)

#005A66

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1b4892;
/* rgb */ color: rgb(27, 72, 146);
/* oklch */ color: oklch(41.5% 0.132 260.0);

Tailwind

colors: {
  custom: {
    50: '#6c7ab2',
    500: '#1b4892',
    950: '#000000',
  },
}

SCSS

$custom: #1b4892;
$custom-light: #6c7ab2;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4892",
  "rgb": {
    "r": 27,
    "g": 72,
    "b": 146
  },
  "hsl": {
    "h": 217.311,
    "s": 68.786,
    "l": 33.922
  },
  "oklch": {
    "l": 0.41527,
    "c": 0.13193,
    "h": 260
  },
  "luminance": 0.06943
}

Semantic roles & 50–950 ramp

primary

#1B4892

secondary

#BF9349

accent

#A93CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1B4892

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

Preview Lab → · Contrast checker → · Palette generator →