#1C355C#1C355C

#1C355C is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.0% C 0.076 H 259.0°. Best body text is #FFFFFF at 12.26:1 contrast (WCAG AA passes).

Color values

HEX	#1C355C
RGB	rgb(28, 53, 92)
HSL	hsl(217, 53%, 24%)
HSV	hsv(217, 70%, 36%)
CMYK	cmyk(69.6%, 42.4%, 0%, 63.9%)
CIE-LAB	lab(22.18, 4.63, -26.23)
CIE-LCH	lch(22.18, 26.63, 280.02°)
OKLab	oklab(33.05% -0.0145 -0.0746)
OKLCH	oklch(33.05% 0.076 259)
XYZ	xyz(3.6831, 3.5654, 10.6172)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C355C #5C431C

analogous

#1C555C #1C355C #231C5C

triadic

#1C355C #5C1C35 #355C1C

tetradic

#1C355C #5C1C55 #5C431C #1C5C23

square

#1C355C #5C1C55 #5C431C #1C5C23

split-complementary

#1C355C #5C231C #555C1C

monochromatic

#070E17 #0E1A2D #1C355C #2A508B #396BBA

Accessibility & contrast

On white

12.26

#1C355C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1C355C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C355C

12.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C355C	#FFFFFF	#000000	##FFFFFF
##1C355C	1.00	12.26	1.71	12.26
#FFFFFF	12.26	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24385E

Deuteranopia (green-blind)

#1A325B

Tritanopia (blue-blind)

#003E44

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1c355c;
/* rgb */ color: rgb(28, 53, 92);
/* oklch */ color: oklch(33.0% 0.076 259.0);

Tailwind

colors: {
  custom: {
    50: '#606b8a',
    500: '#1c355c',
    950: '#000000',
  },
}

SCSS

$custom: #1c355c;
$custom-light: #606b8a;
$custom-dark: #000000;

JSON

{
  "hex": "#1c355c",
  "rgb": {
    "r": 28,
    "g": 53,
    "b": 92
  },
  "hsl": {
    "h": 216.563,
    "s": 53.333,
    "l": 23.529
  },
  "oklch": {
    "l": 0.33045,
    "c": 0.07603,
    "h": 259
  },
  "luminance": 0.03566
}

Semantic roles & 50–950 ramp

primary

#1C355C

secondary

#917342

accent

#A44BDD

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #1C355C

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

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