#1C3D7D#1C3D7D

#1C3D7D is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.4% C 0.116 H 262.0°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#1C3D7D
RGB	rgb(28, 61, 125)
HSL	hsl(220, 63%, 30%)
HSV	hsv(220, 78%, 49%)
CMYK	cmyk(77.6%, 51.2%, 0%, 51%)
CIE-LAB	lab(26.92, 12.40, -39.82)
CIE-LCH	lch(26.92, 41.71, 287.30°)
OKLab	oklab(37.41% -0.0162 -0.1144)
OKLCH	oklch(37.41% 0.116 262)
XYZ	xyz(5.8480, 5.0644, 20.0674)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3D7D #7D5C1C

analogous

#1C6D7D #1C3D7D #2C1C7D

triadic

#1C3D7D #7D1C3D #3D7D1C

tetradic

#1C3D7D #7D1C6D #7D5C1C #1C7D2C

square

#1C3D7D #7D1C6D #7D5C1C #1C7D2C

split-complementary

#1C3D7D #7D2C1C #6D7D1C

monochromatic

#060C19 #11254B #1C3D7D #2755AF #3F72D4

Accessibility & contrast

On white

10.43

#1C3D7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#1C3D7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3D7D

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3D7D	#FFFFFF	#000000	##FFFFFF
##1C3D7D	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18447F

Deuteranopia (green-blind)

#003B7C

Tritanopia (blue-blind)

#004C57

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1c3d7d;
/* rgb */ color: rgb(28, 61, 125);
/* oklch */ color: oklch(37.4% 0.116 262.0);

Tailwind

colors: {
  custom: {
    50: '#6772a3',
    500: '#1c3d7d',
    950: '#000000',
  },
}

SCSS

$custom: #1c3d7d;
$custom-light: #6772a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3d7d",
  "rgb": {
    "r": 28,
    "g": 61,
    "b": 125
  },
  "hsl": {
    "h": 219.588,
    "s": 63.399,
    "l": 30
  },
  "oklch": {
    "l": 0.37414,
    "c": 0.11557,
    "h": 262
  },
  "luminance": 0.05065
}

Semantic roles & 50–950 ramp

primary

#1C3D7D

secondary

#B18C44

accent

#AE41E6

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #1C3D7D

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

Preview Lab → · Contrast checker → · Palette generator →