#1B216D#1B216D

#1B216D is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.0% C 0.130 H 272.2°. Best body text is #FFFFFF at 14.14:1 contrast (WCAG AA passes).

Color values

HEX	#1B216D
RGB	rgb(27, 33, 109)
HSL	hsl(236, 60%, 27%)
HSV	hsv(236, 75%, 43%)
CMYK	cmyk(75.2%, 69.7%, 0%, 57.3%)
CIE-LAB	lab(17.57, 25.58, -44.80)
CIE-LCH	lch(17.57, 51.59, 299.73°)
OKLab	oklab(29.98% 0.005 -0.1295)
OKLCH	oklch(29.98% 0.13 272.2)
XYZ	xyz(3.7552, 2.4245, 14.7351)
Luminance	0.0243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B216D #6D671B

analogous

#1B4A6D #1B216D #3E1B6D

triadic

#1B216D #6D1B21 #216D1B

tetradic

#1B216D #6D1B4A #6D671B #1B6D3E

square

#1B216D #6D1B4A #6D671B #1B6D3E

split-complementary

#1B216D #6D3E1B #4A6D1B

monochromatic

#060719 #0F123C #1B216D #27309E #3540CD

Accessibility & contrast

On white

14.14

#1B216D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#1B216D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B216D

14.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B216D	#FFFFFF	#000000	##FFFFFF
##1B216D	1.00	14.14	1.49	14.14
#FFFFFF	14.14	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6F

Deuteranopia (green-blind)

#00276C

Tritanopia (blue-blind)

#003544

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1b216d;
/* rgb */ color: rgb(27, 33, 109);
/* oklch */ color: oklch(30.0% 0.130 272.2);

Tailwind

colors: {
  custom: {
    50: '#655c98',
    500: '#1b216d',
    950: '#000000',
  },
}

SCSS

$custom: #1b216d;
$custom-light: #655c98;
$custom-dark: #000000;

JSON

{
  "hex": "#1b216d",
  "rgb": {
    "r": 27,
    "g": 33,
    "b": 109
  },
  "hsl": {
    "h": 235.61,
    "s": 60.294,
    "l": 26.667
  },
  "oklch": {
    "l": 0.29984,
    "c": 0.12958,
    "h": 272.2
  },
  "luminance": 0.02425
}

Semantic roles & 50–950 ramp

primary

#1B216D

secondary

#A29B42

accent

#D844E3

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #1B216D

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

Preview Lab → · Contrast checker → · Palette generator →