#1C328B#1C328B

#1C328B is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.3% C 0.150 H 267.4°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#1C328B
RGB	rgb(28, 50, 139)
HSL	hsl(228, 66%, 33%)
HSV	hsv(228, 80%, 55%)
CMYK	cmyk(79.9%, 64%, 0%, 45.5%)
CIE-LAB	lab(24.93, 25.71, -51.81)
CIE-LCH	lch(24.93, 57.84, 296.40°)
OKLab	oklab(36.27% -0.0069 -0.1498)
OKLCH	oklch(36.27% 0.15 267.4)
XYZ	xyz(6.2781, 4.3914, 24.9378)
Luminance	0.0439 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C328B #8B751C

analogous

#1C698B #1C328B #3D1C8B

triadic

#1C328B #8B1C32 #328B1C

tetradic

#1C328B #8B1C69 #8B751C #1C8B3D

square

#1C328B #8B1C69 #8B751C #1C8B3D

split-complementary

#1C328B #8B3D1C #698B1C

monochromatic

#070D25 #122058 #1C328B #2644BE #4764DA

Accessibility & contrast

On white

11.18

#1C328B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#1C328B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C328B

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C328B	#FFFFFF	#000000	##FFFFFF
##1C328B	1.00	11.18	1.88	11.18
#FFFFFF	11.18	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408E

Deuteranopia (green-blind)

#003689

Tritanopia (blue-blind)

#004959

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1c328b;
/* rgb */ color: rgb(28, 50, 139);
/* oklch */ color: oklch(36.3% 0.150 267.4);

Tailwind

colors: {
  custom: {
    50: '#6c69ae',
    500: '#1c328b',
    950: '#000000',
  },
}

SCSS

$custom: #1c328b;
$custom-light: #6c69ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1c328b",
  "rgb": {
    "r": 28,
    "g": 50,
    "b": 139
  },
  "hsl": {
    "h": 228.108,
    "s": 66.467,
    "l": 32.745
  },
  "oklch": {
    "l": 0.36272,
    "c": 0.14999,
    "h": 267.4
  },
  "luminance": 0.04392
}

Semantic roles & 50–950 ramp

primary

#1C328B

secondary

#BCA547

accent

#C83EE9

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1C328B

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

Preview Lab → · Contrast checker → · Palette generator →