#1C335A#1C335A

#1C335A is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.4% C 0.075 H 260.3°. Best body text is #FFFFFF at 12.57:1 contrast (WCAG AA passes).

Color values

HEX	#1C335A
RGB	rgb(28, 51, 90)
HSL	hsl(218, 53%, 23%)
HSV	hsv(218, 69%, 35%)
CMYK	cmyk(68.9%, 43.3%, 0%, 64.7%)
CIE-LAB	lab(21.40, 5.24, -26.15)
CIE-LCH	lch(21.40, 26.67, 281.34°)
OKLab	oklab(32.4% -0.0127 -0.0744)
OKLCH	oklch(32.4% 0.075 260.3)
XYZ	xyz(3.5075, 3.3524, 10.1331)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C335A #5A431C

analogous

#1C525A #1C335A #241C5A

triadic

#1C335A #5A1C33 #335A1C

tetradic

#1C335A #5A1C52 #5A431C #1C5A24

square

#1C335A #5A1C52 #5A431C #1C5A24

split-complementary

#1C335A #5A241C #525A1C

monochromatic

#070D17 #0D192B #1C335A #2B4D89 #3968B7

Accessibility & contrast

On white

12.57

#1C335A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1C335A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C335A

12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C335A	#FFFFFF	#000000	##FFFFFF
##1C335A	1.00	12.57	1.67	12.57
#FFFFFF	12.57	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22365C

Deuteranopia (green-blind)

#193159

Tritanopia (blue-blind)

#003C42

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1c335a;
/* rgb */ color: rgb(28, 51, 90);
/* oklch */ color: oklch(32.4% 0.075 260.3);

Tailwind

colors: {
  custom: {
    50: '#5f6a89',
    500: '#1c335a',
    950: '#000000',
  },
}

SCSS

$custom: #1c335a;
$custom-light: #5f6a89;
$custom-dark: #000000;

JSON

{
  "hex": "#1c335a",
  "rgb": {
    "r": 28,
    "g": 51,
    "b": 90
  },
  "hsl": {
    "h": 217.742,
    "s": 52.542,
    "l": 23.137
  },
  "oklch": {
    "l": 0.32403,
    "c": 0.07549,
    "h": 260.3
  },
  "luminance": 0.03353
}

Semantic roles & 50–950 ramp

primary

#1C335A

secondary

#8F7342

accent

#A64CDC

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060B

muted

#797A7C

Preview Lab

Preview with #1C335A

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

Preview Lab → · Contrast checker → · Palette generator →