#1D218E#1D218E

#1D218E is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.7% C 0.173 H 270.9°. Best body text is #FFFFFF at 12.65:1 contrast (WCAG AA passes).

Color values

HEX	#1D218E
RGB	rgb(29, 33, 142)
HSL	hsl(238, 66%, 34%)
HSV	hsv(238, 80%, 56%)
CMYK	cmyk(79.6%, 76.8%, 0%, 44.3%)
CIE-LAB	lab(21.21, 37.93, -59.78)
CIE-LCH	lch(21.21, 70.79, 302.39°)
OKLab	oklab(33.68% 0.0026 -0.1731)
OKLCH	oklch(33.68% 0.173 270.9)
XYZ	xyz(5.9314, 3.3013, 25.9105)
Luminance	0.0330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D218E #8E8A1D

analogous

#1D598E #1D218E #511D8E

triadic

#1D218E #8E1D21 #218E1D

tetradic

#1D218E #8E1D59 #8E8A1D #1D8E51

square

#1D218E #8E1D59 #8E8A1D #1D8E51

split-complementary

#1D218E #8E511D #598E1D

monochromatic

#080928 #13155B #1D218E #272DC1 #4B50DA

Accessibility & contrast

On white

12.65

#1D218E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1D218E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D218E

12.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D218E	#FFFFFF	#000000	##FFFFFF
##1D218E	1.00	12.65	1.66	12.65
#FFFFFF	12.65	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003891

Deuteranopia (green-blind)

#002D8C

Tritanopia (blue-blind)

#004156

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1d218e;
/* rgb */ color: rgb(29, 33, 142);
/* oklch */ color: oklch(33.7% 0.173 270.9);

Tailwind

colors: {
  custom: {
    50: '#6e5eb0',
    500: '#1d218e',
    950: '#000000',
  },
}

SCSS

$custom: #1d218e;
$custom-light: #6e5eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d218e",
  "rgb": {
    "r": 29,
    "g": 33,
    "b": 142
  },
  "hsl": {
    "h": 237.876,
    "s": 66.082,
    "l": 33.529
  },
  "oklch": {
    "l": 0.33684,
    "c": 0.17312,
    "h": 270.9
  },
  "luminance": 0.03302
}

Semantic roles & 50–950 ramp

primary

#1D218E

secondary

#BDB94A

accent

#E33FE9

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1D218E

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

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