#1D216C#1D216C

#1D216C is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.0% C 0.128 H 273.4°. Best body text is #FFFFFF at 14.13:1 contrast (WCAG AA passes).

Color values

HEX	#1D216C
RGB	rgb(29, 33, 108)
HSL	hsl(237, 58%, 27%)
HSV	hsv(237, 73%, 42%)
CMYK	cmyk(73.1%, 69.4%, 0%, 57.6%)
CIE-LAB	lab(17.61, 25.46, -44.09)
CIE-LCH	lch(17.61, 50.91, 300.01°)
OKLab	oklab(30.01% 0.0075 -0.1273)
OKLCH	oklch(30.01% 0.128 273.4)
XYZ	xyz(3.7564, 2.4313, 14.4558)
Luminance	0.0243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D216C #6C681D

analogous

#1D496C #1D216C #411D6C

triadic

#1D216C #6C1D21 #216C1D

tetradic

#1D216C #6C1D49 #6C681D #1D6C41

square

#1D216C #6C1D49 #6C681D #1D6C41

split-complementary

#1D216C #6C411D #496C1D

monochromatic

#060718 #10123C #1D216C #2A309C #3941CA

Accessibility & contrast

On white

14.13

#1D216C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#1D216C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D216C

14.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D216C	#FFFFFF	#000000	##FFFFFF
##1D216C	1.00	14.13	1.49	14.13
#FFFFFF	14.13	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6E

Deuteranopia (green-blind)

#00286B

Tritanopia (blue-blind)

#003543

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1d216c;
/* rgb */ color: rgb(29, 33, 108);
/* oklch */ color: oklch(30.0% 0.128 273.4);

Tailwind

colors: {
  custom: {
    50: '#655c97',
    500: '#1d216c',
    950: '#000000',
  },
}

SCSS

$custom: #1d216c;
$custom-light: #655c97;
$custom-dark: #000000;

JSON

{
  "hex": "#1d216c",
  "rgb": {
    "r": 29,
    "g": 33,
    "b": 108
  },
  "hsl": {
    "h": 236.962,
    "s": 57.664,
    "l": 26.863
  },
  "oklch": {
    "l": 0.30011,
    "c": 0.12757,
    "h": 273.4
  },
  "luminance": 0.02432
}

Semantic roles & 50–950 ramp

primary

#1D216C

secondary

#A19C44

accent

#D947E1

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #1D216C

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

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