#1D2139#1D2139

#1D2139 is a dark, muted blue. Relative luminance 0.016; OKLCH L 25.6% C 0.046 H 275.5°. Best body text is #FFFFFF at 15.80:1 contrast (WCAG AA passes).

Color values

HEX	#1D2139
RGB	rgb(29, 33, 57)
HSL	hsl(231, 33%, 17%)
HSV	hsv(231, 49%, 22%)
CMYK	cmyk(49.1%, 42.1%, 0%, 77.6%)
CIE-LAB	lab(13.50, 5.86, -16.14)
CIE-LCH	lch(13.50, 17.17, 289.94°)
OKLab	oklab(25.65% 0.0044 -0.0453)
OKLCH	oklch(25.65% 0.046 275.5)
XYZ	xyz(1.7888, 1.6442, 4.0932)
Luminance	0.0164 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2139 #39351D

analogous

#1D2F39 #1D2139 #271D39

triadic

#1D2139 #391D21 #21391D

tetradic

#1D2139 #391D2F #39351D #1D3927

square

#1D2139 #391D2F #39351D #1D3927

split-complementary

#1D2139 #39271D #2F391D

monochromatic

#0A0C14 #0A0C14 #1D2139 #323862 #46508A

Accessibility & contrast

On white

15.80

#1D2139 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#1D2139 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2139

15.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2139	#FFFFFF	#000000	##FFFFFF
##1D2139	1.00	15.80	1.33	15.80
#FFFFFF	15.80	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19243A

Deuteranopia (green-blind)

#162238

Tritanopia (blue-blind)

#14262A

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #1d2139;
/* rgb */ color: rgb(29, 33, 57);
/* oklch */ color: oklch(25.6% 0.046 275.5);

Tailwind

colors: {
  custom: {
    50: '#5a5c6f',
    500: '#1d2139',
    950: '#000000',
  },
}

SCSS

$custom: #1d2139;
$custom-light: #5a5c6f;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2139",
  "rgb": {
    "r": 29,
    "g": 33,
    "b": 57
  },
  "hsl": {
    "h": 231.429,
    "s": 32.558,
    "l": 16.863
  },
  "oklch": {
    "l": 0.25645,
    "c": 0.04556,
    "h": 275.5
  },
  "luminance": 0.01644
}

Semantic roles & 50–950 ramp

primary

#1D2139

secondary

#6D6745

accent

#BA5FC9

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#040407

muted

#79797A

Preview Lab

Preview with #1D2139

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

Preview Lab → · Contrast checker → · Palette generator →