#1B386C#1B386C

#1B386C is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.9% C 0.097 H 261.0°. Best body text is #FFFFFF at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#1B386C
RGB	rgb(27, 56, 108)
HSL	hsl(219, 60%, 26%)
HSV	hsv(219, 75%, 42%)
CMYK	cmyk(75%, 48.1%, 0%, 57.6%)
CIE-LAB	lab(24.14, 8.82, -33.49)
CIE-LCH	lch(24.14, 34.64, 284.76°)
OKLab	oklab(34.89% -0.0151 -0.0959)
OKLCH	oklch(34.89% 0.097 261)
XYZ	xyz(4.5720, 4.1436, 14.7433)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B386C #6C4F1B

analogous

#1B616C #1B386C #271B6C

triadic

#1B386C #6C1B38 #386C1B

tetradic

#1B386C #6C1B61 #6C4F1B #1B6C27

square

#1B386C #6C1B61 #6C4F1B #1B6C27

split-complementary

#1B386C #6C271B #616C1B

monochromatic

#060D18 #0F1F3B #1B386C #27519D #356BCC

Accessibility & contrast

On white

11.48

#1B386C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#1B386C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B386C

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B386C	#FFFFFF	#000000	##FFFFFF
##1B386C	1.00	11.48	1.83	11.48
#FFFFFF	11.48	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D3D6E

Deuteranopia (green-blind)

#0D366B

Tritanopia (blue-blind)

#00444C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1b386c;
/* rgb */ color: rgb(27, 56, 108);
/* oklch */ color: oklch(34.9% 0.097 261.0);

Tailwind

colors: {
  custom: {
    50: '#636e96',
    500: '#1b386c',
    950: '#000000',
  },
}

SCSS

$custom: #1b386c;
$custom-light: #636e96;
$custom-dark: #000000;

JSON

{
  "hex": "#1b386c",
  "rgb": {
    "r": 27,
    "g": 56,
    "b": 108
  },
  "hsl": {
    "h": 218.519,
    "s": 60,
    "l": 26.471
  },
  "oklch": {
    "l": 0.34888,
    "c": 0.09712,
    "h": 261
  },
  "luminance": 0.04144
}

Semantic roles & 50–950 ramp

primary

#1B386C

secondary

#A17F42

accent

#AA45E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #1B386C

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

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