#1C3E7D#1C3E7D

#1C3E7D is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.6% C 0.114 H 261.4°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#1C3E7D
RGB	rgb(28, 62, 125)
HSL	hsl(219, 63%, 30%)
HSV	hsv(219, 78%, 49%)
CMYK	cmyk(77.6%, 50.4%, 0%, 51%)
CIE-LAB	lab(27.22, 11.70, -39.33)
CIE-LCH	lch(27.22, 41.04, 286.57°)
OKLab	oklab(37.65% -0.0171 -0.113)
OKLCH	oklch(37.65% 0.114 261.4)
XYZ	xyz(5.9019, 5.1721, 20.0853)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3E7D #7D5B1C

analogous

#1C6F7D #1C3E7D #2A1C7D

triadic

#1C3E7D #7D1C3E #3E7D1C

tetradic

#1C3E7D #7D1C6F #7D5B1C #1C7D2A

square

#1C3E7D #7D1C6F #7D5B1C #1C7D2A

split-complementary

#1C3E7D #7D2A1C #6F7D1C

monochromatic

#060C19 #11254B #1C3E7D #2757AF #3F73D4

Accessibility & contrast

On white

10.32

#1C3E7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#1C3E7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3E7D

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3E7D	#FFFFFF	#000000	##FFFFFF
##1C3E7D	1.00	10.32	2.03	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A457F

Deuteranopia (green-blind)

#003C7C

Tritanopia (blue-blind)

#004D57

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1c3e7d;
/* rgb */ color: rgb(28, 62, 125);
/* oklch */ color: oklch(37.6% 0.114 261.4);

Tailwind

colors: {
  custom: {
    50: '#6772a3',
    500: '#1c3e7d',
    950: '#000000',
  },
}

SCSS

$custom: #1c3e7d;
$custom-light: #6772a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3e7d",
  "rgb": {
    "r": 28,
    "g": 62,
    "b": 125
  },
  "hsl": {
    "h": 218.969,
    "s": 63.399,
    "l": 30
  },
  "oklch": {
    "l": 0.37645,
    "c": 0.11426,
    "h": 261.4
  },
  "luminance": 0.05173
}

Semantic roles & 50–950 ramp

primary

#1C3E7D

secondary

#B18B44

accent

#AD41E6

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1C3E7D

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

Preview Lab → · Contrast checker → · Palette generator →