#1C3D7E#1C3D7E

#1C3D7E is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.5% C 0.117 H 262.1°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#1C3D7E
RGB	rgb(28, 61, 126)
HSL	hsl(220, 64%, 30%)
HSV	hsv(220, 78%, 49%)
CMYK	cmyk(77.8%, 51.6%, 0%, 50.6%)
CIE-LAB	lab(26.99, 12.81, -40.33)
CIE-LCH	lch(26.99, 42.32, 287.62°)
OKLab	oklab(37.49% -0.016 -0.1159)
OKLCH	oklch(37.49% 0.117 262.1)
XYZ	xyz(5.9122, 5.0901, 20.4055)
Luminance	0.0509 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3D7E #7E5D1C

analogous

#1C6E7E #1C3D7E #2C1C7E

triadic

#1C3D7E #7E1C3D #3D7E1C

tetradic

#1C3D7E #7E1C6E #7E5D1C #1C7E2C

square

#1C3D7E #7E1C6E #7E5D1C #1C7E2C

split-complementary

#1C3D7E #7E2C1C #6E7E1C

monochromatic

#060D1A #11254C #1C3D7E #2755B0 #4072D5

Accessibility & contrast

On white

10.41

#1C3D7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#1C3D7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3D7E

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3D7E	#FFFFFF	#000000	##FFFFFF
##1C3D7E	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)

#164580

Deuteranopia (green-blind)

#003C7D

Tritanopia (blue-blind)

#004D57

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1c3d7e;
/* rgb */ color: rgb(28, 61, 126);
/* oklch */ color: oklch(37.5% 0.117 262.1);

Tailwind

colors: {
  custom: {
    50: '#6772a4',
    500: '#1c3d7e',
    950: '#000000',
  },
}

SCSS

$custom: #1c3d7e;
$custom-light: #6772a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3d7e",
  "rgb": {
    "r": 28,
    "g": 61,
    "b": 126
  },
  "hsl": {
    "h": 219.796,
    "s": 63.636,
    "l": 30.196
  },
  "oklch": {
    "l": 0.37493,
    "c": 0.11704,
    "h": 262.1
  },
  "luminance": 0.05091
}

Semantic roles & 50–950 ramp

primary

#1C3D7E

secondary

#B28D44

accent

#AF41E7

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #1C3D7E

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

Preview Lab → · Contrast checker → · Palette generator →