#1C355D#1C355D

#1C355D is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.1% C 0.078 H 259.4°. Best body text is #FFFFFF at 12.23:1 contrast (WCAG AA passes).

Color values

HEX	#1C355D
RGB	rgb(28, 53, 93)
HSL	hsl(217, 54%, 24%)
HSV	hsv(217, 70%, 36%)
CMYK	cmyk(69.9%, 43%, 0%, 63.5%)
CIE-LAB	lab(22.24, 5.03, -26.79)
CIE-LCH	lch(22.24, 27.25, 280.64°)
OKLab	oklab(33.11% -0.0143 -0.0763)
OKLCH	oklch(33.11% 0.078 259.4)
XYZ	xyz(3.7271, 3.5830, 10.8490)
Luminance	0.0358 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C355D #5D441C

analogous

#1C555D #1C355D #231C5D

triadic

#1C355D #5D1C35 #355D1C

tetradic

#1C355D #5D1C55 #5D441C #1C5D23

square

#1C355D #5D1C55 #5D441C #1C5D23

split-complementary

#1C355D #5D231C #555D1C

monochromatic

#070D18 #0E1A2E #1C355D #2A508C #386BBB

Accessibility & contrast

On white

12.23

#1C355D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1C355D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C355D

12.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C355D	#FFFFFF	#000000	##FFFFFF
##1C355D	1.00	12.23	1.72	12.23
#FFFFFF	12.23	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23385F

Deuteranopia (green-blind)

#19325C

Tritanopia (blue-blind)

#003E44

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1c355d;
/* rgb */ color: rgb(28, 53, 93);
/* oklch */ color: oklch(33.1% 0.078 259.4);

Tailwind

colors: {
  custom: {
    50: '#606b8b',
    500: '#1c355d',
    950: '#000000',
  },
}

SCSS

$custom: #1c355d;
$custom-light: #606b8b;
$custom-dark: #000000;

JSON

{
  "hex": "#1c355d",
  "rgb": {
    "r": 28,
    "g": 53,
    "b": 93
  },
  "hsl": {
    "h": 216.923,
    "s": 53.719,
    "l": 23.725
  },
  "oklch": {
    "l": 0.33114,
    "c": 0.07758,
    "h": 259.4
  },
  "luminance": 0.03583
}

Semantic roles & 50–950 ramp

primary

#1C355D

secondary

#927442

accent

#A54BDD

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #1C355D

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

Preview Lab → · Contrast checker → · Palette generator →