#1B4092#1B4092

#1B4092 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.8% C 0.142 H 263.2°. Best body text is #FFFFFF at 9.57:1 contrast (WCAG AA passes).

Color values

HEX	#1B4092
RGB	rgb(27, 64, 146)
HSL	hsl(221, 69%, 34%)
HSV	hsv(221, 82%, 57%)
CMYK	cmyk(81.5%, 56.2%, 0%, 42.7%)
CIE-LAB	lab(29.35, 18.73, -48.92)
CIE-LCH	lch(29.35, 52.38, 290.95°)
OKLab	oklab(39.76% -0.0169 -0.1412)
OKLCH	oklch(39.76% 0.142 263.2)
XYZ	xyz(7.4718, 5.9742, 27.9479)
Luminance	0.0597 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4092 #926D1B

analogous

#1B7C92 #1B4092 #321B92

triadic

#1B4092 #921B40 #40921B

tetradic

#1B4092 #921B7C #926D1B #1B9232

square

#1B4092 #921B7C #926D1B #1B9232

split-complementary

#1B4092 #92321B #7C921B

monochromatic

#08132B #11295E #1B4092 #2557C6 #4A78DE

Accessibility & contrast

On white

9.57

#1B4092 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#1B4092 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4092

9.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4092	#FFFFFF	#000000	##FFFFFF
##1B4092	1.00	9.57	2.19	9.57
#FFFFFF	9.57	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B95

Deuteranopia (green-blind)

#004090

Tritanopia (blue-blind)

#005462

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1b4092;
/* rgb */ color: rgb(27, 64, 146);
/* oklch */ color: oklch(39.8% 0.142 263.2);

Tailwind

colors: {
  custom: {
    50: '#6c74b3',
    500: '#1b4092',
    950: '#000000',
  },
}

SCSS

$custom: #1b4092;
$custom-light: #6c74b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4092",
  "rgb": {
    "r": 27,
    "g": 64,
    "b": 146
  },
  "hsl": {
    "h": 221.345,
    "s": 68.786,
    "l": 33.922
  },
  "oklch": {
    "l": 0.39755,
    "c": 0.14217,
    "h": 263.2
  },
  "luminance": 0.05975
}

Semantic roles & 50–950 ramp

primary

#1B4092

secondary

#BF9B49

accent

#B53CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1B4092

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

Preview Lab → · Contrast checker → · Palette generator →