#1B216F#1B216F

#1B216F is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.2% C 0.132 H 272.1°. Best body text is #FFFFFF at 14.06:1 contrast (WCAG AA passes).

Color values

HEX	#1B216F
RGB	rgb(27, 33, 111)
HSL	hsl(236, 61%, 27%)
HSV	hsv(236, 76%, 44%)
CMYK	cmyk(75.7%, 70.3%, 0%, 56.5%)
CIE-LAB	lab(17.77, 26.35, -45.77)
CIE-LCH	lch(17.77, 52.81, 299.93°)
OKLab	oklab(30.19% 0.0048 -0.1323)
OKLCH	oklch(30.19% 0.132 272.1)
XYZ	xyz(3.8641, 2.4680, 15.3086)
Luminance	0.0247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B216F #6F691B

analogous

#1B4B6F #1B216F #3F1B6F

triadic

#1B216F #6F1B21 #216F1B

tetradic

#1B216F #6F1B4B #6F691B #1B6F3F

square

#1B216F #6F1B4B #6F691B #1B6F3F

split-complementary

#1B216F #6F3F1B #4B6F1B

monochromatic

#060719 #0F123E #1B216F #2730A0 #3641CE

Accessibility & contrast

On white

14.06

#1B216F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#1B216F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B216F

14.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B216F	#FFFFFF	#000000	##FFFFFF
##1B216F	1.00	14.06	1.49	14.06
#FFFFFF	14.06	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F71

Deuteranopia (green-blind)

#00286E

Tritanopia (blue-blind)

#003645

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1b216f;
/* rgb */ color: rgb(27, 33, 111);
/* oklch */ color: oklch(30.2% 0.132 272.1);

Tailwind

colors: {
  custom: {
    50: '#655c99',
    500: '#1b216f',
    950: '#000000',
  },
}

SCSS

$custom: #1b216f;
$custom-light: #655c99;
$custom-dark: #000000;

JSON

{
  "hex": "#1b216f",
  "rgb": {
    "r": 27,
    "g": 33,
    "b": 111
  },
  "hsl": {
    "h": 235.714,
    "s": 60.87,
    "l": 27.059
  },
  "oklch": {
    "l": 0.3019,
    "c": 0.13241,
    "h": 272.1
  },
  "luminance": 0.02468
}

Semantic roles & 50–950 ramp

primary

#1B216F

secondary

#A49D42

accent

#D944E4

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #1B216F

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

Preview Lab → · Contrast checker → · Palette generator →