#1C356E#1C356E

#1C356E is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.4% C 0.104 H 263.9°. Best body text is #FFFFFF at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#1C356E
RGB	rgb(28, 53, 110)
HSL	hsl(222, 59%, 27%)
HSV	hsv(222, 75%, 43%)
CMYK	cmyk(74.5%, 51.8%, 0%, 56.9%)
CIE-LAB	lab(23.40, 11.93, -35.97)
CIE-LCH	lch(23.40, 37.89, 288.35°)
OKLab	oklab(34.38% -0.011 -0.1032)
OKLCH	oklch(34.38% 0.104 263.9)
XYZ	xyz(4.5655, 3.9184, 15.2645)
Luminance	0.0392 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C356E #6E551C

analogous

#1C5E6E #1C356E #2C1C6E

triadic

#1C356E #6E1C35 #356E1C

tetradic

#1C356E #6E1C5E #6E551C #1C6E2C

square

#1C356E #6E1C5E #6E551C #1C6E2C

split-complementary

#1C356E #6E2C1C #5E6E1C

monochromatic

#060C18 #101D3D #1C356E #284D9F #3865CC

Accessibility & contrast

On white

11.77

#1C356E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#1C356E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C356E

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C356E	#FFFFFF	#000000	##FFFFFF
##1C356E	1.00	11.77	1.78	11.77
#FFFFFF	11.77	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#153C70

Deuteranopia (green-blind)

#00346D

Tritanopia (blue-blind)

#00424C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1c356e;
/* rgb */ color: rgb(28, 53, 110);
/* oklch */ color: oklch(34.4% 0.104 263.9);

Tailwind

colors: {
  custom: {
    50: '#646b98',
    500: '#1c356e',
    950: '#000000',
  },
}

SCSS

$custom: #1c356e;
$custom-light: #646b98;
$custom-dark: #000000;

JSON

{
  "hex": "#1c356e",
  "rgb": {
    "r": 28,
    "g": 53,
    "b": 110
  },
  "hsl": {
    "h": 221.707,
    "s": 59.42,
    "l": 27.059
  },
  "oklch": {
    "l": 0.34378,
    "c": 0.10382,
    "h": 263.9
  },
  "luminance": 0.03919
}

Semantic roles & 50–950 ramp

primary

#1C356E

secondary

#A38643

accent

#B345E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1C356E

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

Preview Lab → · Contrast checker → · Palette generator →