#1C376B#1C376B

#1C376B is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.6% C 0.097 H 262.0°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#1C376B
RGB	rgb(28, 55, 107)
HSL	hsl(219, 59%, 26%)
HSV	hsv(219, 74%, 42%)
CMYK	cmyk(73.8%, 48.6%, 0%, 58%)
CIE-LAB	lab(23.80, 9.29, -33.39)
CIE-LCH	lch(23.80, 34.65, 285.54°)
OKLab	oklab(34.62% -0.0134 -0.0956)
OKLCH	oklch(34.62% 0.097 262)
XYZ	xyz(4.4980, 4.0403, 14.4499)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C376B #6B501C

analogous

#1C5F6B #1C376B #291C6B

triadic

#1C376B #6B1C37 #376B1C

tetradic

#1C376B #6B1C5F #6B501C #1C6B29

square

#1C376B #6B1C5F #6B501C #1C6B29

split-complementary

#1C376B #6B291C #5F6B1C

monochromatic

#060C18 #0F1E3A #1C376B #29509C #3769CB

Accessibility & contrast

On white

11.61

#1C376B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#1C376B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C376B

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C376B	#FFFFFF	#000000	##FFFFFF
##1C376B	1.00	11.61	1.81	11.61
#FFFFFF	11.61	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C3D6D

Deuteranopia (green-blind)

#0C356A

Tritanopia (blue-blind)

#00434B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1c376b;
/* rgb */ color: rgb(28, 55, 107);
/* oklch */ color: oklch(34.6% 0.097 262.0);

Tailwind

colors: {
  custom: {
    50: '#636d96',
    500: '#1c376b',
    950: '#000000',
  },
}

SCSS

$custom: #1c376b;
$custom-light: #636d96;
$custom-dark: #000000;

JSON

{
  "hex": "#1c376b",
  "rgb": {
    "r": 28,
    "g": 55,
    "b": 107
  },
  "hsl": {
    "h": 219.494,
    "s": 58.519,
    "l": 26.471
  },
  "oklch": {
    "l": 0.3462,
    "c": 0.09656,
    "h": 262
  },
  "luminance": 0.04041
}

Semantic roles & 50–950 ramp

primary

#1C376B

secondary

#A08043

accent

#AD46E2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #1C376B

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

Preview Lab → · Contrast checker → · Palette generator →