#1D205B#1D205B

#1D205B is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.2% C 0.104 H 275.3°. Best body text is #FFFFFF at 14.89:1 contrast (WCAG AA passes).

Color values

HEX	#1D205B
RGB	rgb(29, 32, 91)
HSL	hsl(237, 52%, 24%)
HSV	hsv(237, 68%, 36%)
CMYK	cmyk(68.1%, 64.8%, 0%, 64.3%)
CIE-LAB	lab(15.74, 19.61, -35.92)
CIE-LCH	lch(15.74, 40.92, 298.63°)
OKLab	oklab(28.15% 0.0096 -0.1034)
OKLCH	oklch(28.15% 0.104 275.3)
XYZ	xyz(2.9109, 2.0493, 10.1377)
Luminance	0.0205 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D205B #5B581D

analogous

#1D3F5B #1D205B #391D5B

triadic

#1D205B #5B1D20 #205B1D

tetradic

#1D205B #5B1D3F #5B581D #1D5B39

square

#1D205B #5B1D3F #5B581D #1D5B39

split-complementary

#1D205B #5B391D #3F5B1D

monochromatic

#070817 #0E102D #1D205B #2C3089 #3B41B8

Accessibility & contrast

On white

14.89

#1D205B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#1D205B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D205B

14.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D205B	#FFFFFF	#000000	##FFFFFF
##1D205B	1.00	14.89	1.41	14.89
#FFFFFF	14.89	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A5D

Deuteranopia (green-blind)

#00255A

Tritanopia (blue-blind)

#002F3A

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #1d205b;
/* rgb */ color: rgb(29, 32, 91);
/* oklch */ color: oklch(28.2% 0.104 275.3);

Tailwind

colors: {
  custom: {
    50: '#615b8a',
    500: '#1d205b',
    950: '#000000',
  },
}

SCSS

$custom: #1d205b;
$custom-light: #615b8a;
$custom-dark: #000000;

JSON

{
  "hex": "#1d205b",
  "rgb": {
    "r": 29,
    "g": 32,
    "b": 91
  },
  "hsl": {
    "h": 237.097,
    "s": 51.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.28153,
    "c": 0.10383,
    "h": 275.3
  },
  "luminance": 0.0205
}

Semantic roles & 50–950 ramp

primary

#1D205B

secondary

#908C44

accent

#D44DDB

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05040C

muted

#7A797D

Preview Lab

Preview with #1D205B

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

Preview Lab → · Contrast checker → · Palette generator →