#1C356F#1C356F

#1C356F is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.5% C 0.105 H 264.1°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#1C356F
RGB	rgb(28, 53, 111)
HSL	hsl(222, 60%, 27%)
HSV	hsv(222, 75%, 44%)
CMYK	cmyk(74.8%, 52.3%, 0%, 56.5%)
CIE-LAB	lab(23.47, 12.34, -36.49)
CIE-LCH	lch(23.47, 38.52, 288.68°)
OKLab	oklab(34.46% -0.0108 -0.1048)
OKLCH	oklch(34.46% 0.105 264.1)
XYZ	xyz(4.6202, 3.9403, 15.5529)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C356F #6F561C

analogous

#1C5E6F #1C356F #2D1C6F

triadic

#1C356F #6F1C35 #356F1C

tetradic

#1C356F #6F1C5E #6F561C #1C6F2D

square

#1C356F #6F1C5E #6F561C #1C6F2D

split-complementary

#1C356F #6F2D1C #5E6F1C

monochromatic

#060C18 #101E3E #1C356F #284CA0 #3865CD

Accessibility & contrast

On white

11.74

#1C356F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1C356F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C356F

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C356F	#FFFFFF	#000000	##FFFFFF
##1C356F	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#133C71

Deuteranopia (green-blind)

#00346E

Tritanopia (blue-blind)

#00434C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1c356f;
/* rgb */ color: rgb(28, 53, 111);
/* oklch */ color: oklch(34.5% 0.105 264.1);

Tailwind

colors: {
  custom: {
    50: '#646b99',
    500: '#1c356f',
    950: '#000000',
  },
}

SCSS

$custom: #1c356f;
$custom-light: #646b99;
$custom-dark: #000000;

JSON

{
  "hex": "#1c356f",
  "rgb": {
    "r": 28,
    "g": 53,
    "b": 111
  },
  "hsl": {
    "h": 221.928,
    "s": 59.712,
    "l": 27.255
  },
  "oklch": {
    "l": 0.34458,
    "c": 0.10535,
    "h": 264.1
  },
  "luminance": 0.03941
}

Semantic roles & 50–950 ramp

primary

#1C356F

secondary

#A48743

accent

#B345E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1C356F

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

Preview Lab → · Contrast checker → · Palette generator →