#1B498A#1B498A

#1B498A is a dark, moderate blue. Relative luminance 0.068; OKLCH L 41.2% C 0.119 H 257.8°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#1B498A
RGB	rgb(27, 73, 138)
HSL	hsl(215, 67%, 32%)
HSV	hsv(215, 80%, 54%)
CMYK	cmyk(80.4%, 47.1%, 0%, 45.9%)
CIE-LAB	lab(31.42, 9.29, -40.65)
CIE-LCH	lch(31.42, 41.70, 282.88°)
OKLab	oklab(41.16% -0.0252 -0.1166)
OKLCH	oklch(41.16% 0.119 257.8)
XYZ	xyz(7.4203, 6.8322, 24.9675)
Luminance	0.0683 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B498A #8A5C1B

analogous

#1B818A #1B498A #241B8A

triadic

#1B498A #8A1B49 #498A1B

tetradic

#1B498A #8A1B81 #8A5C1B #1B8A24

square

#1B498A #8A1B81 #8A5C1B #1B8A24

split-complementary

#1B498A #8A241B #818A1B

monochromatic

#071324 #112E57 #1B498A #2564BD #4583DB

Accessibility & contrast

On white

8.87

#1B498A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#1B498A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B498A

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B498A	#FFFFFF	#000000	##FFFFFF
##1B498A	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#264F8C

Deuteranopia (green-blind)

#0B4589

Tritanopia (blue-blind)

#005862

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1b498a;
/* rgb */ color: rgb(27, 73, 138);
/* oklch */ color: oklch(41.2% 0.119 257.8);

Tailwind

colors: {
  custom: {
    50: '#6a7bad',
    500: '#1b498a',
    950: '#000000',
  },
}

SCSS

$custom: #1b498a;
$custom-light: #6a7bad;
$custom-dark: #000000;

JSON

{
  "hex": "#1b498a",
  "rgb": {
    "r": 27,
    "g": 73,
    "b": 138
  },
  "hsl": {
    "h": 215.135,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.41155,
    "c": 0.11934,
    "h": 257.8
  },
  "luminance": 0.06833
}

Semantic roles & 50–950 ramp

primary

#1B498A

secondary

#BC8B45

accent

#A33EEA

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #1B498A

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

Preview Lab → · Contrast checker → · Palette generator →