#1C1686#1C1686

#1C1686 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 31.2% C 0.174 H 272.3°. Best body text is #FFFFFF at 13.92:1 contrast (WCAG AA passes).

Color values

HEX	#1C1686
RGB	rgb(28, 22, 134)
HSL	hsl(243, 72%, 31%)
HSV	hsv(243, 84%, 53%)
CMYK	cmyk(79.1%, 83.6%, 0%, 47.5%)
CIE-LAB	lab(18.10, 41.18, -59.92)
CIE-LCH	lch(18.10, 72.70, 304.50°)
OKLab	oklab(31.21% 0.0069 -0.1734)
OKLCH	oklch(31.21% 0.174 272.3)
XYZ	xyz(5.0674, 2.5414, 22.7731)
Luminance	0.0254 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1686 #808616

analogous

#164886 #1C1686 #541686

triadic

#1C1686 #861C16 #16861C

tetradic

#1C1686 #861648 #808616 #168654

square

#1C1686 #861648 #808616 #168654

split-complementary

#1C1686 #865416 #488616

monochromatic

#06051D #110D51 #1C1686 #271FBB #4138DE

Accessibility & contrast

On white

13.92

#1C1686 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#1C1686 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1686

13.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1686	#FFFFFF	#000000	##FFFFFF
##1C1686	1.00	13.92	1.51	13.92
#FFFFFF	13.92	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003189

Deuteranopia (green-blind)

#002784

Tritanopia (blue-blind)

#003A4F

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1c1686;
/* rgb */ color: rgb(28, 22, 134);
/* oklch */ color: oklch(31.2% 0.174 272.3);

Tailwind

colors: {
  custom: {
    50: '#6d57ab',
    500: '#1c1686',
    950: '#000000',
  },
}

SCSS

$custom: #1c1686;
$custom-light: #6d57ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1686",
  "rgb": {
    "r": 28,
    "g": 22,
    "b": 134
  },
  "hsl": {
    "h": 243.214,
    "s": 71.795,
    "l": 30.588
  },
  "oklch": {
    "l": 0.31211,
    "c": 0.17351,
    "h": 272.3
  },
  "luminance": 0.02542
}

Semantic roles & 50–950 ramp

primary

#1C1686

secondary

#B3BA3E

accent

#EF39E5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #1C1686

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

Preview Lab → · Contrast checker → · Palette generator →