#1C3C9D#1C3C9D

#1C3C9D is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.9% C 0.162 H 265.4°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#1C3C9D
RGB	rgb(28, 60, 157)
HSL	hsl(225, 70%, 36%)
HSV	hsv(225, 82%, 62%)
CMYK	cmyk(82.2%, 61.8%, 0%, 38.4%)
CIE-LAB	lab(29.19, 25.96, -55.89)
CIE-LCH	lch(29.19, 61.62, 294.91°)
OKLab	oklab(39.93% -0.013 -0.1617)
OKLCH	oklch(39.93% 0.162 265.4)
XYZ	xyz(8.1784, 5.9119, 32.6018)
Luminance	0.0591 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3C9D #9D7D1C

analogous

#1C7D9D #1C3C9D #3D1C9D

triadic

#1C3C9D #9D1C3C #3C9D1C

tetradic

#1C3C9D #9D1C7D #9D7D1C #1C9D3D

square

#1C3C9D #9D1C7D #9D7D1C #1C9D3D

split-complementary

#1C3C9D #9D3D1C #7D9D1C

monochromatic

#091435 #132869 #1C3C9D #2550D1 #5376E0

Accessibility & contrast

On white

9.62

#1C3C9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#1C3C9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3C9D

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3C9D	#FFFFFF	#000000	##FFFFFF
##1C3C9D	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA0

Deuteranopia (green-blind)

#003F9B

Tritanopia (blue-blind)

#005566

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1c3c9d;
/* rgb */ color: rgb(28, 60, 157);
/* oklch */ color: oklch(39.9% 0.162 265.4);

Tailwind

colors: {
  custom: {
    50: '#7071bb',
    500: '#1c3c9d',
    950: '#000000',
  },
}

SCSS

$custom: #1c3c9d;
$custom-light: #7071bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3c9d",
  "rgb": {
    "r": 28,
    "g": 60,
    "b": 157
  },
  "hsl": {
    "h": 225.116,
    "s": 69.73,
    "l": 36.275
  },
  "oklch": {
    "l": 0.39931,
    "c": 0.16219,
    "h": 265.4
  },
  "luminance": 0.05913
}

Semantic roles & 50–950 ramp

primary

#1C3C9D

secondary

#C3A751

accent

#C13BED

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #1C3C9D

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

Preview Lab → · Contrast checker → · Palette generator →