#1C3986#1C3986

#1C3986 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.3% C 0.134 H 264.9°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#1C3986
RGB	rgb(28, 57, 134)
HSL	hsl(224, 65%, 32%)
HSV	hsv(224, 79%, 53%)
CMYK	cmyk(79.1%, 57.5%, 0%, 47.5%)
CIE-LAB	lab(26.43, 18.86, -46.24)
CIE-LCH	lch(26.43, 49.94, 292.19°)
OKLab	oklab(37.26% -0.0119 -0.1334)
OKLCH	oklch(37.26% 0.134 264.9)
XYZ	xyz(6.2436, 4.8937, 23.1651)
Luminance	0.0489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3986 #86691C

analogous

#1C6E86 #1C3986 #341C86

triadic

#1C3986 #861C39 #39861C

tetradic

#1C3986 #861C6E #86691C #1C8634

square

#1C3986 #861C6E #86691C #1C8634

split-complementary

#1C3986 #86341C #6E861C

monochromatic

#070E21 #112353 #1C3986 #274FB9 #446DD8

Accessibility & contrast

On white

10.61

#1C3986 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#1C3986 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3986

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3986	#FFFFFF	#000000	##FFFFFF
##1C3986	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004489

Deuteranopia (green-blind)

#003A84

Tritanopia (blue-blind)

#004C59

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1c3986;
/* rgb */ color: rgb(28, 57, 134);
/* oklch */ color: oklch(37.3% 0.134 264.9);

Tailwind

colors: {
  custom: {
    50: '#6a6eaa',
    500: '#1c3986',
    950: '#000000',
  },
}

SCSS

$custom: #1c3986;
$custom-light: #6a6eaa;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3986",
  "rgb": {
    "r": 28,
    "g": 57,
    "b": 134
  },
  "hsl": {
    "h": 223.585,
    "s": 65.432,
    "l": 31.765
  },
  "oklch": {
    "l": 0.37262,
    "c": 0.13393,
    "h": 264.9
  },
  "luminance": 0.04894
}

Semantic roles & 50–950 ramp

primary

#1C3986

secondary

#B99945

accent

#BA3FE8

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #1C3986

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

Preview Lab → · Contrast checker → · Palette generator →