#1C376A#1C376A

#1C376A is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.5% C 0.095 H 261.8°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#1C376A
RGB	rgb(28, 55, 106)
HSL	hsl(219, 58%, 26%)
HSV	hsv(219, 74%, 42%)
CMYK	cmyk(73.6%, 48.1%, 0%, 58.4%)
CIE-LAB	lab(23.74, 8.88, -32.85)
CIE-LCH	lch(23.74, 34.03, 285.12°)
OKLab	oklab(34.54% -0.0136 -0.094)
OKLCH	oklch(34.54% 0.095 261.8)
XYZ	xyz(4.4457, 4.0194, 14.1744)
Luminance	0.0402 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C376A #6A4F1C

analogous

#1C5E6A #1C376A #281C6A

triadic

#1C376A #6A1C37 #376A1C

tetradic

#1C376A #6A1C5E #6A4F1C #1C6A28

square

#1C376A #6A1C5E #6A4F1C #1C6A28

split-complementary

#1C376A #6A281C #5E6A1C

monochromatic

#060D18 #0F1E3A #1C376A #29509A #3669CA

Accessibility & contrast

On white

11.64

#1C376A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#1C376A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C376A

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C376A	#FFFFFF	#000000	##FFFFFF
##1C376A	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D3C6C

Deuteranopia (green-blind)

#0E3569

Tritanopia (blue-blind)

#00434B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1c376a;
/* rgb */ color: rgb(28, 55, 106);
/* oklch */ color: oklch(34.5% 0.095 261.8);

Tailwind

colors: {
  custom: {
    50: '#636d95',
    500: '#1c376a',
    950: '#000000',
  },
}

SCSS

$custom: #1c376a;
$custom-light: #636d95;
$custom-dark: #000000;

JSON

{
  "hex": "#1c376a",
  "rgb": {
    "r": 28,
    "g": 55,
    "b": 106
  },
  "hsl": {
    "h": 219.231,
    "s": 58.209,
    "l": 26.275
  },
  "oklch": {
    "l": 0.34545,
    "c": 0.09503,
    "h": 261.8
  },
  "luminance": 0.0402
}

Semantic roles & 50–950 ramp

primary

#1C376A

secondary

#9F7F43

accent

#AC46E1

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #1C376A

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

Preview Lab → · Contrast checker → · Palette generator →