#1C376D#1C376D

#1C376D is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.8% C 0.100 H 262.5°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#1C376D
RGB	rgb(28, 55, 109)
HSL	hsl(220, 59%, 27%)
HSV	hsv(220, 74%, 43%)
CMYK	cmyk(74.3%, 49.5%, 0%, 57.3%)
CIE-LAB	lab(23.94, 10.10, -34.45)
CIE-LCH	lch(23.94, 35.90, 286.34°)
OKLab	oklab(34.77% -0.0131 -0.0987)
OKLCH	oklch(34.77% 0.1 262.5)
XYZ	xyz(4.6044, 4.0829, 15.0105)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C376D #6D521C

analogous

#1C606D #1C376D #2A1C6D

triadic

#1C376D #6D1C37 #376D1C

tetradic

#1C376D #6D1C60 #6D521C #1C6D2A

square

#1C376D #6D1C60 #6D521C #1C6D2A

split-complementary

#1C376D #6D2A1C #606D1C

monochromatic

#060C18 #0F1E3C #1C376D #29509E #3869CC

Accessibility & contrast

On white

11.56

#1C376D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#1C376D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C376D

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C376D	#FFFFFF	#000000	##FFFFFF
##1C376D	1.00	11.56	1.82	11.56
#FFFFFF	11.56	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B3D6F

Deuteranopia (green-blind)

#08356C

Tritanopia (blue-blind)

#00444C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1c376d;
/* rgb */ color: rgb(28, 55, 109);
/* oklch */ color: oklch(34.8% 0.100 262.5);

Tailwind

colors: {
  custom: {
    50: '#646d97',
    500: '#1c376d',
    950: '#000000',
  },
}

SCSS

$custom: #1c376d;
$custom-light: #646d97;
$custom-dark: #000000;

JSON

{
  "hex": "#1c376d",
  "rgb": {
    "r": 28,
    "g": 55,
    "b": 109
  },
  "hsl": {
    "h": 220,
    "s": 59.124,
    "l": 26.863
  },
  "oklch": {
    "l": 0.34771,
    "c": 0.0996,
    "h": 262.5
  },
  "luminance": 0.04083
}

Semantic roles & 50–950 ramp

primary

#1C376D

secondary

#A28243

accent

#AE45E2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #1C376D

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

Preview Lab → · Contrast checker → · Palette generator →