#1F216A#1F216A

#1F216A is a dark, vivid blue. Relative luminance 0.024; OKLCH L 29.9% C 0.124 H 274.7°. Best body text is #FFFFFF at 14.15:1 contrast (WCAG AA passes).

Color values

HEX	#1F216A
RGB	rgb(31, 33, 106)
HSL	hsl(238, 55%, 27%)
HSV	hsv(238, 71%, 42%)
CMYK	cmyk(70.8%, 68.9%, 0%, 58.4%)
CIE-LAB	lab(17.55, 24.99, -42.87)
CIE-LCH	lch(17.55, 49.62, 300.24°)
OKLab	oklab(29.95% 0.0103 -0.1237)
OKLCH	oklch(29.95% 0.124 274.7)
XYZ	xyz(3.7096, 2.4193, 13.9044)
Luminance	0.0242 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F216A #6A681F

analogous

#1F476A #1F216A #431F6A

triadic

#1F216A #6A1F21 #216A1F

tetradic

#1F216A #6A1F47 #6A681F #1F6A43

square

#1F216A #6A1F47 #6A681F #1F6A43

split-complementary

#1F216A #6A431F #476A1F

monochromatic

#070718 #11123B #1F216A #2D3099 #3D41C6

Accessibility & contrast

On white

14.15

#1F216A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#1F216A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F216A

14.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F216A	#FFFFFF	#000000	##FFFFFF
##1F216A	1.00	14.15	1.48	14.15
#FFFFFF	14.15	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E6C

Deuteranopia (green-blind)

#002869

Tritanopia (blue-blind)

#003442

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1f216a;
/* rgb */ color: rgb(31, 33, 106);
/* oklch */ color: oklch(29.9% 0.124 274.7);

Tailwind

colors: {
  custom: {
    50: '#665c95',
    500: '#1f216a',
    950: '#000000',
  },
}

SCSS

$custom: #1f216a;
$custom-light: #665c95;
$custom-dark: #000000;

JSON

{
  "hex": "#1f216a",
  "rgb": {
    "r": 31,
    "g": 33,
    "b": 106
  },
  "hsl": {
    "h": 238.4,
    "s": 54.745,
    "l": 26.863
  },
  "oklch": {
    "l": 0.29948,
    "c": 0.12416,
    "h": 274.7
  },
  "luminance": 0.0242
}

Semantic roles & 50–950 ramp

primary

#1F216A

secondary

#9E9C47

accent

#DA4ADE

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #1F216A

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

Preview Lab → · Contrast checker → · Palette generator →