#21319F#21319F

#21319F is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.3% C 0.177 H 269.1°. Best body text is #FFFFFF at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#21319F
RGB	rgb(33, 49, 159)
HSL	hsl(232, 66%, 38%)
HSV	hsv(232, 79%, 62%)
CMYK	cmyk(79.2%, 69.2%, 0%, 37.6%)
CIE-LAB	lab(26.80, 34.48, -61.02)
CIE-LCH	lch(26.80, 70.08, 299.47°)
OKLab	oklab(38.29% -0.0028 -0.1767)
OKLCH	oklch(38.29% 0.177 269.1)
XYZ	xyz(7.9814, 5.0223, 33.3429)
Luminance	0.0502 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21319F #9F8F21

analogous

#21709F #21319F #50219F

triadic

#21319F #9F2131 #319F21

tetradic

#21319F #9F2170 #9F8F21 #219F50

square

#21319F #9F2170 #9F8F21 #219F50

split-complementary

#21319F #9F5021 #709F21

monochromatic

#0C123A #16216C #21319F #2C41D2 #5D6DDD

Accessibility & contrast

On white

10.48

#21319F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#21319F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21319F

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21319F	#FFFFFF	#000000	##FFFFFF
##21319F	1.00	10.48	2.00	10.48
#FFFFFF	10.48	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A2

Deuteranopia (green-blind)

#00399D

Tritanopia (blue-blind)

#004F64

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #21319f;
/* rgb */ color: rgb(33, 49, 159);
/* oklch */ color: oklch(38.3% 0.177 269.1);

Tailwind

colors: {
  custom: {
    50: '#7369bc',
    500: '#21319f',
    950: '#000000',
  },
}

SCSS

$custom: #21319f;
$custom-light: #7369bc;
$custom-dark: #000000;

JSON

{
  "hex": "#21319f",
  "rgb": {
    "r": 33,
    "g": 49,
    "b": 159
  },
  "hsl": {
    "h": 232.381,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.38286,
    "c": 0.17669,
    "h": 269.1
  },
  "luminance": 0.05023
}

Semantic roles & 50–950 ramp

primary

#21319F

secondary

#C2B55A

accent

#D33FE9

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #21319F

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

Preview Lab → · Contrast checker → · Palette generator →