#1C387A#1C387A

#1C387A is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.0% C 0.118 H 264.1°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#1C387A
RGB	rgb(28, 56, 122)
HSL	hsl(222, 63%, 29%)
HSV	hsv(222, 77%, 48%)
CMYK	cmyk(77%, 54.1%, 0%, 52.2%)
CIE-LAB	lab(25.20, 14.69, -40.71)
CIE-LCH	lch(25.20, 43.28, 289.85°)
OKLab	oklab(36.03% -0.0122 -0.1171)
OKLCH	oklch(36.03% 0.118 264.1)
XYZ	xyz(5.4047, 4.4798, 18.9884)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C387A #7A5E1C

analogous

#1C677A #1C387A #2F1C7A

triadic

#1C387A #7A1C38 #387A1C

tetradic

#1C387A #7A1C67 #7A5E1C #1C7A2F

square

#1C387A #7A1C67 #7A5E1C #1C7A2F

split-complementary

#1C387A #7A2F1C #677A1C

monochromatic

#060B19 #112148 #1C387A #274FAC #3E6AD3

Accessibility & contrast

On white

11.08

#1C387A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#1C387A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C387A

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C387A	#FFFFFF	#000000	##FFFFFF
##1C387A	1.00	11.08	1.90	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C407C

Deuteranopia (green-blind)

#003879

Tritanopia (blue-blind)

#004853

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1c387a;
/* rgb */ color: rgb(28, 56, 122);
/* oklch */ color: oklch(36.0% 0.118 264.1);

Tailwind

colors: {
  custom: {
    50: '#676ea1',
    500: '#1c387a',
    950: '#000000',
  },
}

SCSS

$custom: #1c387a;
$custom-light: #676ea1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c387a",
  "rgb": {
    "r": 28,
    "g": 56,
    "b": 122
  },
  "hsl": {
    "h": 222.128,
    "s": 62.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.36033,
    "c": 0.11777,
    "h": 264.1
  },
  "luminance": 0.0448
}

Semantic roles & 50–950 ramp

primary

#1C387A

secondary

#AE8E44

accent

#B542E6

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #1C387A

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

Preview Lab → · Contrast checker → · Palette generator →