#1C3E9E#1C3E9E

#1C3E9E is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.4% C 0.161 H 264.9°. Best body text is #FFFFFF at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#1C3E9E
RGB	rgb(28, 62, 158)
HSL	hsl(224, 70%, 36%)
HSV	hsv(224, 82%, 62%)
CMYK	cmyk(82.3%, 60.8%, 0%, 38%)
CIE-LAB	lab(29.81, 24.99, -55.48)
CIE-LCH	lch(29.81, 60.85, 294.25°)
OKLab	oklab(40.42% -0.0142 -0.1604)
OKLCH	oklch(40.42% 0.161 264.9)
XYZ	xyz(8.3709, 6.1597, 33.0889)
Luminance	0.0616 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3E9E #9E7C1C

analogous

#1C7F9E #1C3E9E #3B1C9E

triadic

#1C3E9E #9E1C3E #3E9E1C

tetradic

#1C3E9E #9E1C7F #9E7C1C #1C9E3B

square

#1C3E9E #9E1C7F #9E7C1C #1C9E3B

split-complementary

#1C3E9E #9E3B1C #7F9E1C

monochromatic

#0A1536 #132A6A #1C3E9E #2552D2 #5479E1

Accessibility & contrast

On white

9.41

#1C3E9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#1C3E9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3E9E

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3E9E	#FFFFFF	#000000	##FFFFFF
##1C3E9E	1.00	9.41	2.23	9.41
#FFFFFF	9.41	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA1

Deuteranopia (green-blind)

#00409C

Tritanopia (blue-blind)

#005768

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1c3e9e;
/* rgb */ color: rgb(28, 62, 158);
/* oklch */ color: oklch(40.4% 0.161 264.9);

Tailwind

colors: {
  custom: {
    50: '#7072bb',
    500: '#1c3e9e',
    950: '#000000',
  },
}

SCSS

$custom: #1c3e9e;
$custom-light: #7072bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3e9e",
  "rgb": {
    "r": 28,
    "g": 62,
    "b": 158
  },
  "hsl": {
    "h": 224.308,
    "s": 69.892,
    "l": 36.471
  },
  "oklch": {
    "l": 0.40422,
    "c": 0.16106,
    "h": 264.9
  },
  "luminance": 0.06161
}

Semantic roles & 50–950 ramp

primary

#1C3E9E

secondary

#C4A652

accent

#BE3BED

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1C3E9E

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

Preview Lab → · Contrast checker → · Palette generator →