#1C376E#1C376E

#1C376E is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.8% C 0.101 H 262.7°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#1C376E
RGB	rgb(28, 55, 110)
HSL	hsl(220, 59%, 27%)
HSV	hsv(220, 75%, 43%)
CMYK	cmyk(74.5%, 50%, 0%, 56.9%)
CIE-LAB	lab(24.01, 10.51, -34.98)
CIE-LCH	lch(24.01, 36.52, 286.72°)
OKLab	oklab(34.85% -0.0129 -0.1003)
OKLCH	oklch(34.85% 0.101 262.7)
XYZ	xyz(4.6585, 4.1046, 15.2956)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C376E #6E531C

analogous

#1C606E #1C376E #2A1C6E

triadic

#1C376E #6E1C37 #376E1C

tetradic

#1C376E #6E1C60 #6E531C #1C6E2A

square

#1C376E #6E1C60 #6E531C #1C6E2A

split-complementary

#1C376E #6E2A1C #606E1C

monochromatic

#060C18 #101F3D #1C376E #284F9F #3869CC

Accessibility & contrast

On white

11.53

#1C376E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#1C376E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C376E

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C376E	#FFFFFF	#000000	##FFFFFF
##1C376E	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3D70

Deuteranopia (green-blind)

#05366D

Tritanopia (blue-blind)

#00444D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1c376e;
/* rgb */ color: rgb(28, 55, 110);
/* oklch */ color: oklch(34.8% 0.101 262.7);

Tailwind

colors: {
  custom: {
    50: '#646d98',
    500: '#1c376e',
    950: '#000000',
  },
}

SCSS

$custom: #1c376e;
$custom-light: #646d98;
$custom-dark: #000000;

JSON

{
  "hex": "#1c376e",
  "rgb": {
    "r": 28,
    "g": 55,
    "b": 110
  },
  "hsl": {
    "h": 220.244,
    "s": 59.42,
    "l": 27.059
  },
  "oklch": {
    "l": 0.34848,
    "c": 0.10113,
    "h": 262.7
  },
  "luminance": 0.04105
}

Semantic roles & 50–950 ramp

primary

#1C376E

secondary

#A38343

accent

#AF45E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #1C376E

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

Preview Lab → · Contrast checker → · Palette generator →