#1C3696#1C3696

#1C3696 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.1% C 0.160 H 266.6°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#1C3696
RGB	rgb(28, 54, 150)
HSL	hsl(227, 69%, 35%)
HSV	hsv(227, 81%, 59%)
CMYK	cmyk(81.3%, 64%, 0%, 41.2%)
CIE-LAB	lab(26.98, 27.29, -55.23)
CIE-LCH	lch(26.98, 61.61, 296.29°)
OKLab	oklab(38.1% -0.0095 -0.1598)
OKLCH	oklch(38.1% 0.16 266.6)
XYZ	xyz(7.3011, 5.0864, 29.4452)
Luminance	0.0509 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3696 #967C1C

analogous

#1C7396 #1C3696 #3F1C96

triadic

#1C3696 #961C36 #36961C

tetradic

#1C3696 #961C73 #967C1C #1C963F

square

#1C3696 #961C73 #967C1C #1C963F

split-complementary

#1C3696 #963F1C #73961C

monochromatic

#09112F #122362 #1C3696 #2649CA #4E6DDE

Accessibility & contrast

On white

10.41

#1C3696 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#1C3696 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3696

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3696	#FFFFFF	#000000	##FFFFFF
##1C3696	1.00	10.41	2.02	10.41
#FFFFFF	10.41	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004699

Deuteranopia (green-blind)

#003A94

Tritanopia (blue-blind)

#004F60

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1c3696;
/* rgb */ color: rgb(28, 54, 150);
/* oklch */ color: oklch(38.1% 0.160 266.6);

Tailwind

colors: {
  custom: {
    50: '#6e6cb6',
    500: '#1c3696',
    950: '#000000',
  },
}

SCSS

$custom: #1c3696;
$custom-light: #6e6cb6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3696",
  "rgb": {
    "r": 28,
    "g": 54,
    "b": 150
  },
  "hsl": {
    "h": 227.213,
    "s": 68.539,
    "l": 34.902
  },
  "oklch": {
    "l": 0.38099,
    "c": 0.1601,
    "h": 266.6
  },
  "luminance": 0.05087
}

Semantic roles & 50–950 ramp

primary

#1C3696

secondary

#C1A84D

accent

#C63CEB

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1C3696

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

Preview Lab → · Contrast checker → · Palette generator →