#1C2387#1C2387

#1C2387 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.2% C 0.162 H 270.6°. Best body text is #FFFFFF at 12.81:1 contrast (WCAG AA passes).

Color values

HEX	#1C2387
RGB	rgb(28, 35, 135)
HSL	hsl(236, 66%, 32%)
HSV	hsv(236, 79%, 53%)
CMYK	cmyk(79.3%, 74.1%, 0%, 47.1%)
CIE-LAB	lab(20.82, 34.13, -56.06)
CIE-LCH	lch(20.82, 65.63, 301.33°)
OKLab	oklab(33.16% 0.0017 -0.1623)
OKLCH	oklch(33.16% 0.162 270.6)
XYZ	xyz(5.4516, 3.1976, 23.2469)
Luminance	0.0320 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2387 #87801C

analogous

#1C5987 #1C2387 #4B1C87

triadic

#1C2387 #871C23 #23871C

tetradic

#1C2387 #871C59 #87801C #1C874B

square

#1C2387 #871C59 #87801C #1C874B

split-complementary

#1C2387 #874B1C #59871C

monochromatic

#070922 #111654 #1C2387 #2730BA #454FD8

Accessibility & contrast

On white

12.81

#1C2387 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#1C2387 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2387

12.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2387	#FFFFFF	#000000	##FFFFFF
##1C2387	1.00	12.81	1.64	12.81
#FFFFFF	12.81	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378A

Deuteranopia (green-blind)

#002D85

Tritanopia (blue-blind)

#004052

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1c2387;
/* rgb */ color: rgb(28, 35, 135);
/* oklch */ color: oklch(33.2% 0.162 270.6);

Tailwind

colors: {
  custom: {
    50: '#6c5fab',
    500: '#1c2387',
    950: '#000000',
  },
}

SCSS

$custom: #1c2387;
$custom-light: #6c5fab;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2387",
  "rgb": {
    "r": 28,
    "g": 35,
    "b": 135
  },
  "hsl": {
    "h": 236.075,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.33159,
    "c": 0.16232,
    "h": 270.6
  },
  "luminance": 0.03198
}

Semantic roles & 50–950 ramp

primary

#1C2387

secondary

#BAB245

accent

#DE3FE9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1C2387

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

Preview Lab → · Contrast checker → · Palette generator →