#1D216B#1D216B

#1D216B is a dark, vivid blue. Relative luminance 0.024; OKLCH L 29.9% C 0.126 H 273.5°. Best body text is #FFFFFF at 14.17:1 contrast (WCAG AA passes).

Color values

HEX	#1D216B
RGB	rgb(29, 33, 107)
HSL	hsl(237, 57%, 27%)
HSV	hsv(237, 73%, 42%)
CMYK	cmyk(72.9%, 69.2%, 0%, 58%)
CIE-LAB	lab(17.51, 25.08, -43.60)
CIE-LCH	lch(17.51, 50.30, 299.91°)
OKLab	oklab(29.91% 0.0076 -0.1259)
OKLCH	oklch(29.91% 0.126 273.5)
XYZ	xyz(3.7035, 2.4101, 14.1771)
Luminance	0.0241 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D216B #6B671D

analogous

#1D486B #1D216B #401D6B

triadic

#1D216B #6B1D21 #216B1D

tetradic

#1D216B #6B1D48 #6B671D #1D6B40

square

#1D216B #6B1D48 #6B671D #1D6B40

split-complementary

#1D216B #6B401D #486B1D

monochromatic

#070718 #10123B #1D216B #2A309B #3940C9

Accessibility & contrast

On white

14.17

#1D216B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#1D216B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D216B

14.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D216B	#FFFFFF	#000000	##FFFFFF
##1D216B	1.00	14.17	1.48	14.17
#FFFFFF	14.17	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6D

Deuteranopia (green-blind)

#00276A

Tritanopia (blue-blind)

#003442

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1d216b;
/* rgb */ color: rgb(29, 33, 107);
/* oklch */ color: oklch(29.9% 0.126 273.5);

Tailwind

colors: {
  custom: {
    50: '#655c96',
    500: '#1d216b',
    950: '#000000',
  },
}

SCSS

$custom: #1d216b;
$custom-light: #655c96;
$custom-dark: #000000;

JSON

{
  "hex": "#1d216b",
  "rgb": {
    "r": 29,
    "g": 33,
    "b": 107
  },
  "hsl": {
    "h": 236.923,
    "s": 57.353,
    "l": 26.667
  },
  "oklch": {
    "l": 0.2991,
    "c": 0.12615,
    "h": 273.5
  },
  "luminance": 0.0241
}

Semantic roles & 50–950 ramp

primary

#1D216B

secondary

#A09B44

accent

#D947E1

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #1D216B

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

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