#1C3693#1C3693

#1C3693 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.8% C 0.156 H 266.5°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#1C3693
RGB	rgb(28, 54, 147)
HSL	hsl(227, 68%, 34%)
HSV	hsv(227, 81%, 58%)
CMYK	cmyk(81%, 63.3%, 0%, 42.4%)
CIE-LAB	lab(26.71, 26.12, -53.83)
CIE-LCH	lch(26.71, 59.83, 295.88°)
OKLab	oklab(37.82% -0.0094 -0.1557)
OKLCH	oklch(37.82% 0.156 266.5)
XYZ	xyz(7.0627, 4.9910, 28.1892)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3693 #93791C

analogous

#1C7293 #1C3693 #3E1C93

triadic

#1C3693 #931C36 #36931C

tetradic

#1C3693 #931C72 #93791C #1C933E

square

#1C3693 #931C72 #93791C #1C933E

split-complementary

#1C3693 #933E1C #72931C

monochromatic

#08102C #122360 #1C3693 #2649C6 #4C6CDD

Accessibility & contrast

On white

10.51

#1C3693 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#1C3693 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3693

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3693	#FFFFFF	#000000	##FFFFFF
##1C3693	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004596

Deuteranopia (green-blind)

#003A91

Tritanopia (blue-blind)

#004E5F

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1c3693;
/* rgb */ color: rgb(28, 54, 147);
/* oklch */ color: oklch(37.8% 0.156 266.5);

Tailwind

colors: {
  custom: {
    50: '#6d6cb4',
    500: '#1c3693',
    950: '#000000',
  },
}

SCSS

$custom: #1c3693;
$custom-light: #6d6cb4;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3693",
  "rgb": {
    "r": 28,
    "g": 54,
    "b": 147
  },
  "hsl": {
    "h": 226.891,
    "s": 68,
    "l": 34.314
  },
  "oklch": {
    "l": 0.37815,
    "c": 0.15601,
    "h": 266.5
  },
  "luminance": 0.04992
}

Semantic roles & 50–950 ramp

primary

#1C3693

secondary

#BFA64C

accent

#C53DEB

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1C3693

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

Preview Lab → · Contrast checker → · Palette generator →