#1C3E9C#1C3E9C

#1C3E9C is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.2% C 0.158 H 264.8°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#1C3E9C
RGB	rgb(28, 62, 156)
HSL	hsl(224, 70%, 36%)
HSV	hsv(224, 82%, 61%)
CMYK	cmyk(82.1%, 60.3%, 0%, 38.8%)
CIE-LAB	lab(29.64, 24.20, -54.54)
CIE-LCH	lch(29.64, 59.67, 293.93°)
OKLab	oklab(40.24% -0.0143 -0.1577)
OKLCH	oklch(40.24% 0.158 264.8)
XYZ	xyz(8.2001, 6.0914, 32.1896)
Luminance	0.0609 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3E9C #9C7A1C

analogous

#1C7E9C #1C3E9C #3A1C9C

triadic

#1C3E9C #9C1C3E #3E9C1C

tetradic

#1C3E9C #9C1C7E #9C7A1C #1C9C3A

square

#1C3E9C #9C1C7E #9C7A1C #1C9C3A

split-complementary

#1C3E9C #9C3A1C #7E9C1C

monochromatic

#091534 #132968 #1C3E9C #2553D0 #5278E0

Accessibility & contrast

On white

9.47

#1C3E9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#1C3E9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3E9C

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3E9C	#FFFFFF	#000000	##FFFFFF
##1C3E9C	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9F

Deuteranopia (green-blind)

#00409A

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1c3e9c;
/* rgb */ color: rgb(28, 62, 156);
/* oklch */ color: oklch(40.2% 0.158 264.8);

Tailwind

colors: {
  custom: {
    50: '#6f72ba',
    500: '#1c3e9c',
    950: '#000000',
  },
}

SCSS

$custom: #1c3e9c;
$custom-light: #6f72ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3e9c",
  "rgb": {
    "r": 28,
    "g": 62,
    "b": 156
  },
  "hsl": {
    "h": 224.063,
    "s": 69.565,
    "l": 36.078
  },
  "oklch": {
    "l": 0.40242,
    "c": 0.15834,
    "h": 264.8
  },
  "luminance": 0.06092
}

Semantic roles & 50–950 ramp

primary

#1C3E9C

secondary

#C3A551

accent

#BD3BEC

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1C3E9C

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

Preview Lab → · Contrast checker → · Palette generator →