#1C3D7F#1C3D7F

#1C3D7F is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.6% C 0.119 H 262.3°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#1C3D7F
RGB	rgb(28, 61, 127)
HSL	hsl(220, 64%, 30%)
HSV	hsv(220, 78%, 50%)
CMYK	cmyk(78%, 52%, 0%, 50.2%)
CIE-LAB	lab(27.06, 13.22, -40.84)
CIE-LCH	lch(27.06, 42.93, 287.93°)
OKLab	oklab(37.57% -0.0159 -0.1174)
OKLCH	oklch(37.57% 0.119 262.3)
XYZ	xyz(5.9770, 5.1160, 20.7470)
Luminance	0.0512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3D7F #7F5E1C

analogous

#1C6E7F #1C3D7F #2C1C7F

triadic

#1C3D7F #7F1C3D #3D7F1C

tetradic

#1C3D7F #7F1C6E #7F5E1C #1C7F2C

square

#1C3D7F #7F1C6E #7F5E1C #1C7F2C

split-complementary

#1C3D7F #7F2C1C #6E7F1C

monochromatic

#060D1B #11254D #1C3D7F #2755B1 #4072D5

Accessibility & contrast

On white

10.38

#1C3D7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#1C3D7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3D7F

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3D7F	#FFFFFF	#000000	##FFFFFF
##1C3D7F	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#154581

Deuteranopia (green-blind)

#003C7E

Tritanopia (blue-blind)

#004D58

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1c3d7f;
/* rgb */ color: rgb(28, 61, 127);
/* oklch */ color: oklch(37.6% 0.119 262.3);

Tailwind

colors: {
  custom: {
    50: '#6871a5',
    500: '#1c3d7f',
    950: '#000000',
  },
}

SCSS

$custom: #1c3d7f;
$custom-light: #6871a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3d7f",
  "rgb": {
    "r": 28,
    "g": 61,
    "b": 127
  },
  "hsl": {
    "h": 220,
    "s": 63.871,
    "l": 30.392
  },
  "oklch": {
    "l": 0.37572,
    "c": 0.11851,
    "h": 262.3
  },
  "luminance": 0.05117
}

Semantic roles & 50–950 ramp

primary

#1C3D7F

secondary

#B38E44

accent

#B041E7

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #1C3D7F

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

Preview Lab → · Contrast checker → · Palette generator →