#1C336F#1C336F

#1C336F is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.0% C 0.108 H 265.3°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#1C336F
RGB	rgb(28, 51, 111)
HSL	hsl(223, 60%, 27%)
HSV	hsv(223, 75%, 44%)
CMYK	cmyk(74.8%, 54.1%, 0%, 56.5%)
CIE-LAB	lab(22.87, 13.76, -37.47)
CIE-LCH	lch(22.87, 39.91, 290.17°)
OKLab	oklab(34% -0.0089 -0.1077)
OKLCH	oklch(34% 0.108 265.3)
XYZ	xyz(4.5310, 3.7618, 15.5231)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C336F #6F581C

analogous

#1C5D6F #1C336F #2E1C6F

triadic

#1C336F #6F1C33 #336F1C

tetradic

#1C336F #6F1C5D #6F581C #1C6F2E

square

#1C336F #6F1C5D #6F581C #1C6F2E

split-complementary

#1C336F #6F2E1C #5D6F1C

monochromatic

#060B18 #101D3E #1C336F #2849A0 #3862CD

Accessibility & contrast

On white

11.98

#1C336F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#1C336F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C336F

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C336F	#FFFFFF	#000000	##FFFFFF
##1C336F	1.00	11.98	1.75	11.98
#FFFFFF	11.98	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D3B71

Deuteranopia (green-blind)

#00336E

Tritanopia (blue-blind)

#00414B

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1c336f;
/* rgb */ color: rgb(28, 51, 111);
/* oklch */ color: oklch(34.0% 0.108 265.3);

Tailwind

colors: {
  custom: {
    50: '#646a99',
    500: '#1c336f',
    950: '#000000',
  },
}

SCSS

$custom: #1c336f;
$custom-light: #646a99;
$custom-dark: #000000;

JSON

{
  "hex": "#1c336f",
  "rgb": {
    "r": 28,
    "g": 51,
    "b": 111
  },
  "hsl": {
    "h": 223.373,
    "s": 59.712,
    "l": 27.255
  },
  "oklch": {
    "l": 0.33997,
    "c": 0.10807,
    "h": 265.3
  },
  "luminance": 0.03762
}

Semantic roles & 50–950 ramp

primary

#1C336F

secondary

#A48943

accent

#B745E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1C336F

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

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