#1C3887#1C3887

#1C3887 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.1% C 0.137 H 265.3°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#1C3887
RGB	rgb(28, 56, 135)
HSL	hsl(224, 66%, 32%)
HSV	hsv(224, 79%, 53%)
CMYK	cmyk(79.3%, 58.5%, 0%, 47.1%)
CIE-LAB	lab(26.23, 19.96, -47.19)
CIE-LCH	lch(26.23, 51.24, 292.93°)
OKLab	oklab(37.14% -0.0111 -0.1362)
OKLCH	oklch(37.14% 0.137 265.3)
XYZ	xyz(6.2647, 4.8238, 23.5179)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3887 #876B1C

analogous

#1C6E87 #1C3887 #361C87

triadic

#1C3887 #871C38 #38871C

tetradic

#1C3887 #871C6E #876B1C #1C8736

square

#1C3887 #871C6E #876B1C #1C8736

split-complementary

#1C3887 #87361C #6E871C

monochromatic

#070E22 #112354 #1C3887 #274DBA #456CD8

Accessibility & contrast

On white

10.69

#1C3887 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#1C3887 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3887

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3887	#FFFFFF	#000000	##FFFFFF
##1C3887	1.00	10.69	1.96	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438A

Deuteranopia (green-blind)

#003985

Tritanopia (blue-blind)

#004C59

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1c3887;
/* rgb */ color: rgb(28, 56, 135);
/* oklch */ color: oklch(37.1% 0.137 265.3);

Tailwind

colors: {
  custom: {
    50: '#6a6eab',
    500: '#1c3887',
    950: '#000000',
  },
}

SCSS

$custom: #1c3887;
$custom-light: #6a6eab;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3887",
  "rgb": {
    "r": 28,
    "g": 56,
    "b": 135
  },
  "hsl": {
    "h": 224.299,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.37135,
    "c": 0.13666,
    "h": 265.3
  },
  "luminance": 0.04824
}

Semantic roles & 50–950 ramp

primary

#1C3887

secondary

#BA9B45

accent

#BC3FE9

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #1C3887

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

Preview Lab → · Contrast checker → · Palette generator →