#1C3D7C#1C3D7C

#1C3D7C is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.3% C 0.114 H 261.8°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#1C3D7C
RGB	rgb(28, 61, 124)
HSL	hsl(219, 63%, 30%)
HSV	hsv(219, 77%, 49%)
CMYK	cmyk(77.4%, 50.8%, 0%, 51.4%)
CIE-LAB	lab(26.85, 11.99, -39.31)
CIE-LCH	lch(26.85, 41.10, 286.97°)
OKLab	oklab(37.34% -0.0163 -0.1129)
OKLCH	oklch(37.34% 0.114 261.8)
XYZ	xyz(5.7844, 5.0390, 19.7326)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3D7C #7C5B1C

analogous

#1C6D7C #1C3D7C #2B1C7C

triadic

#1C3D7C #7C1C3D #3D7C1C

tetradic

#1C3D7C #7C1C6D #7C5B1C #1C7C2B

square

#1C3D7C #7C1C6D #7C5B1C #1C7C2B

split-complementary

#1C3D7C #7C2B1C #6D7C1C

monochromatic

#060C19 #11244A #1C3D7C #2756AE #3F72D4

Accessibility & contrast

On white

10.46

#1C3D7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#1C3D7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3D7C

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3D7C	#FFFFFF	#000000	##FFFFFF
##1C3D7C	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19447E

Deuteranopia (green-blind)

#003B7B

Tritanopia (blue-blind)

#004C56

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1c3d7c;
/* rgb */ color: rgb(28, 61, 124);
/* oklch */ color: oklch(37.3% 0.114 261.8);

Tailwind

colors: {
  custom: {
    50: '#6772a2',
    500: '#1c3d7c',
    950: '#000000',
  },
}

SCSS

$custom: #1c3d7c;
$custom-light: #6772a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3d7c",
  "rgb": {
    "r": 28,
    "g": 61,
    "b": 124
  },
  "hsl": {
    "h": 219.375,
    "s": 63.158,
    "l": 29.804
  },
  "oklch": {
    "l": 0.37336,
    "c": 0.1141,
    "h": 261.8
  },
  "luminance": 0.0504
}

Semantic roles & 50–950 ramp

primary

#1C3D7C

secondary

#B08B44

accent

#AE42E6

background

#F6F6FA

surface

#EBECF3

border

#C6C7CD

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #1C3D7C

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

Preview Lab → · Contrast checker → · Palette generator →