#1C3C8D#1C3C8D

#1C3C8D is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.5% C 0.140 H 264.4°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#1C3C8D
RGB	rgb(28, 60, 141)
HSL	hsl(223, 67%, 33%)
HSV	hsv(223, 80%, 55%)
CMYK	cmyk(80.1%, 57.4%, 0%, 44.7%)
CIE-LAB	lab(27.85, 19.59, -48.28)
CIE-LCH	lch(27.85, 52.10, 292.09°)
OKLab	oklab(38.51% -0.0137 -0.1393)
OKLCH	oklch(38.51% 0.14 264.4)
XYZ	xyz(6.9008, 5.4009, 25.8729)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3C8D #8D6D1C

analogous

#1C748D #1C3C8D #341C8D

triadic

#1C3C8D #8D1C3C #3C8D1C

tetradic

#1C3C8D #8D1C74 #8D6D1C #1C8D34

square

#1C3C8D #8D1C74 #8D6D1C #1C8D34

split-complementary

#1C3C8D #8D341C #748D1C

monochromatic

#081127 #12265A #1C3C8D #2652C0 #4972DB

Accessibility & contrast

On white

10.09

#1C3C8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#1C3C8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3C8D

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3C8D	#FFFFFF	#000000	##FFFFFF
##1C3C8D	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004790

Deuteranopia (green-blind)

#003D8B

Tritanopia (blue-blind)

#00505E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1c3c8d;
/* rgb */ color: rgb(28, 60, 141);
/* oklch */ color: oklch(38.5% 0.140 264.4);

Tailwind

colors: {
  custom: {
    50: '#6b71af',
    500: '#1c3c8d',
    950: '#000000',
  },
}

SCSS

$custom: #1c3c8d;
$custom-light: #6b71af;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3c8d",
  "rgb": {
    "r": 28,
    "g": 60,
    "b": 141
  },
  "hsl": {
    "h": 223.009,
    "s": 66.864,
    "l": 33.137
  },
  "oklch": {
    "l": 0.38508,
    "c": 0.14,
    "h": 264.4
  },
  "luminance": 0.05402
}

Semantic roles & 50–950 ramp

primary

#1C3C8D

secondary

#BD9C48

accent

#B93EEA

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #1C3C8D

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

Preview Lab → · Contrast checker → · Palette generator →