#1D376A#1D376A

#1D376A is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.6% C 0.095 H 262.3°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#1D376A
RGB	rgb(29, 55, 106)
HSL	hsl(220, 57%, 26%)
HSV	hsv(220, 73%, 42%)
CMYK	cmyk(72.6%, 48.1%, 0%, 58.4%)
CIE-LAB	lab(23.78, 9.05, -32.78)
CIE-LCH	lch(23.78, 34.00, 285.44°)
OKLab	oklab(34.59% -0.0127 -0.0938)
OKLCH	oklch(34.59% 0.095 262.3)
XYZ	xyz(4.4735, 4.0337, 14.1757)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D376A #6A501D

analogous

#1D5E6A #1D376A #2A1D6A

triadic

#1D376A #6A1D37 #376A1D

tetradic

#1D376A #6A1D5E #6A501D #1D6A2A

square

#1D376A #6A1D5E #6A501D #1D6A2A

split-complementary

#1D376A #6A2A1D #5E6A1D

monochromatic

#070C18 #101E3A #1D376A #2A509A #3969C9

Accessibility & contrast

On white

11.62

#1D376A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#1D376A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D376A

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D376A	#FFFFFF	#000000	##FFFFFF
##1D376A	1.00	11.62	1.81	11.62
#FFFFFF	11.62	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D3C6C

Deuteranopia (green-blind)

#0E3569

Tritanopia (blue-blind)

#00434B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1d376a;
/* rgb */ color: rgb(29, 55, 106);
/* oklch */ color: oklch(34.6% 0.095 262.3);

Tailwind

colors: {
  custom: {
    50: '#636d95',
    500: '#1d376a',
    950: '#000000',
  },
}

SCSS

$custom: #1d376a;
$custom-light: #636d95;
$custom-dark: #000000;

JSON

{
  "hex": "#1d376a",
  "rgb": {
    "r": 29,
    "g": 55,
    "b": 106
  },
  "hsl": {
    "h": 219.74,
    "s": 57.037,
    "l": 26.471
  },
  "oklch": {
    "l": 0.34594,
    "c": 0.09466,
    "h": 262.3
  },
  "luminance": 0.04034
}

Semantic roles & 50–950 ramp

primary

#1D376A

secondary

#9F8044

accent

#AD48E0

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #1D376A

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

Preview Lab → · Contrast checker → · Palette generator →