#1D376C#1D376C

#1D376C is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.7% C 0.098 H 262.7°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#1D376C
RGB	rgb(29, 55, 108)
HSL	hsl(220, 58%, 27%)
HSV	hsv(220, 73%, 42%)
CMYK	cmyk(73.1%, 49.1%, 0%, 57.6%)
CIE-LAB	lab(23.92, 9.86, -33.84)
CIE-LCH	lch(23.92, 35.25, 286.24°)
OKLab	oklab(34.74% -0.0124 -0.0969)
OKLCH	oklch(34.74% 0.098 262.7)
XYZ	xyz(4.5787, 4.0758, 14.7299)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D376C #6C521D

analogous

#1D5F6C #1D376C #2B1D6C

triadic

#1D376C #6C1D37 #376C1D

tetradic

#1D376C #6C1D5F #6C521D #1D6C2B

square

#1D376C #6C1D5F #6C521D #1D6C2B

split-complementary

#1D376C #6C2B1D #5F6C1D

monochromatic

#060C18 #101E3C #1D376C #2A509C #3969CA

Accessibility & contrast

On white

11.57

#1D376C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#1D376C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D376C

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D376C	#FFFFFF	#000000	##FFFFFF
##1D376C	1.00	11.57	1.82	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C3D6E

Deuteranopia (green-blind)

#0B366B

Tritanopia (blue-blind)

#00434C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1d376c;
/* rgb */ color: rgb(29, 55, 108);
/* oklch */ color: oklch(34.7% 0.098 262.7);

Tailwind

colors: {
  custom: {
    50: '#646d96',
    500: '#1d376c',
    950: '#000000',
  },
}

SCSS

$custom: #1d376c;
$custom-light: #646d96;
$custom-dark: #000000;

JSON

{
  "hex": "#1d376c",
  "rgb": {
    "r": 29,
    "g": 55,
    "b": 108
  },
  "hsl": {
    "h": 220.253,
    "s": 57.664,
    "l": 26.863
  },
  "oklch": {
    "l": 0.34744,
    "c": 0.09771,
    "h": 262.7
  },
  "luminance": 0.04076
}

Semantic roles & 50–950 ramp

primary

#1D376C

secondary

#A18244

accent

#AE47E1

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #1D376C

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

Preview Lab → · Contrast checker → · Palette generator →