#1C376F#1C376F

#1C376F is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.9% C 0.103 H 262.9°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#1C376F
RGB	rgb(28, 55, 111)
HSL	hsl(220, 60%, 27%)
HSV	hsv(220, 75%, 44%)
CMYK	cmyk(74.8%, 50.5%, 0%, 56.5%)
CIE-LAB	lab(24.09, 10.91, -35.50)
CIE-LCH	lch(24.09, 37.14, 287.09°)
OKLab	oklab(34.92% -0.0127 -0.1018)
OKLCH	oklch(34.92% 0.103 262.9)
XYZ	xyz(4.7133, 4.1265, 15.5839)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C376F #6F541C

analogous

#1C616F #1C376F #2B1C6F

triadic

#1C376F #6F1C37 #376F1C

tetradic

#1C376F #6F1C61 #6F541C #1C6F2B

square

#1C376F #6F1C61 #6F541C #1C6F2B

split-complementary

#1C376F #6F2B1C #616F1C

monochromatic

#060C18 #101F3E #1C376F #284FA0 #3869CD

Accessibility & contrast

On white

11.50

#1C376F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#1C376F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C376F

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C376F	#FFFFFF	#000000	##FFFFFF
##1C376F	1.00	11.50	1.83	11.50
#FFFFFF	11.50	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#183D71

Deuteranopia (green-blind)

#03366E

Tritanopia (blue-blind)

#00444D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1c376f;
/* rgb */ color: rgb(28, 55, 111);
/* oklch */ color: oklch(34.9% 0.103 262.9);

Tailwind

colors: {
  custom: {
    50: '#646d99',
    500: '#1c376f',
    950: '#000000',
  },
}

SCSS

$custom: #1c376f;
$custom-light: #646d99;
$custom-dark: #000000;

JSON

{
  "hex": "#1c376f",
  "rgb": {
    "r": 28,
    "g": 55,
    "b": 111
  },
  "hsl": {
    "h": 220.482,
    "s": 59.712,
    "l": 27.255
  },
  "oklch": {
    "l": 0.34925,
    "c": 0.10264,
    "h": 262.9
  },
  "luminance": 0.04127
}

Semantic roles & 50–950 ramp

primary

#1C376F

secondary

#A48443

accent

#AF45E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #1C376F

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

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