#1B4292#1B4292

#1B4292 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.2% C 0.140 H 262.4°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#1B4292
RGB	rgb(27, 66, 146)
HSL	hsl(220, 69%, 34%)
HSV	hsv(220, 82%, 57%)
CMYK	cmyk(81.5%, 54.8%, 0%, 42.7%)
CIE-LAB	lab(29.92, 17.35, -47.99)
CIE-LCH	lch(29.92, 51.03, 289.87°)
OKLab	oklab(40.19% -0.0184 -0.1384)
OKLCH	oklch(40.19% 0.14 262.4)
XYZ	xyz(7.5867, 6.2039, 27.9862)
Luminance	0.0621 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4292 #926B1B

analogous

#1B7E92 #1B4292 #301B92

triadic

#1B4292 #921B42 #42921B

tetradic

#1B4292 #921B7E #926B1B #1B9230

square

#1B4292 #921B7E #926B1B #1B9230

split-complementary

#1B4292 #92301B #7E921B

monochromatic

#08132B #112B5E #1B4292 #2559C6 #4A7ADE

Accessibility & contrast

On white

9.37

#1B4292 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#1B4292 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4292

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4292	#FFFFFF	#000000	##FFFFFF
##1B4292	1.00	9.37	2.24	9.37
#FFFFFF	9.37	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C95

Deuteranopia (green-blind)

#004190

Tritanopia (blue-blind)

#005663

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1b4292;
/* rgb */ color: rgb(27, 66, 146);
/* oklch */ color: oklch(40.2% 0.140 262.4);

Tailwind

colors: {
  custom: {
    50: '#6c75b3',
    500: '#1b4292',
    950: '#000000',
  },
}

SCSS

$custom: #1b4292;
$custom-light: #6c75b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4292",
  "rgb": {
    "r": 27,
    "g": 66,
    "b": 146
  },
  "hsl": {
    "h": 220.336,
    "s": 68.786,
    "l": 33.922
  },
  "oklch": {
    "l": 0.4019,
    "c": 0.1396,
    "h": 262.4
  },
  "luminance": 0.06205
}

Semantic roles & 50–950 ramp

primary

#1B4292

secondary

#BF9949

accent

#B23CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1B4292

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

Preview Lab → · Contrast checker → · Palette generator →