#21389A#21389A

#21389A is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.1% C 0.162 H 267.7°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#21389A
RGB	rgb(33, 56, 154)
HSL	hsl(229, 65%, 37%)
HSV	hsv(229, 79%, 60%)
CMYK	cmyk(78.6%, 63.6%, 0%, 39.6%)
CIE-LAB	lab(28.07, 27.99, -55.88)
CIE-LCH	lch(28.07, 62.50, 296.60°)
OKLab	oklab(39.07% -0.0065 -0.1616)
OKLCH	oklch(39.07% 0.162 267.7)
XYZ	xyz(7.8721, 5.4839, 31.2092)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21389A #9A8321

analogous

#21759A #21389A #47219A

triadic

#21389A #9A2138 #389A21

tetradic

#21389A #9A2175 #9A8321 #219A47

square

#21389A #9A2175 #9A8321 #219A47

split-complementary

#21389A #9A4721 #759A21

monochromatic

#0B1335 #162668 #21389A #2C4ACC #5A72DC

Accessibility & contrast

On white

10.01

#21389A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#21389A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21389A

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21389A	#FFFFFF	#000000	##FFFFFF
##21389A	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489D

Deuteranopia (green-blind)

#003D98

Tritanopia (blue-blind)

#005163

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #21389a;
/* rgb */ color: rgb(33, 56, 154);
/* oklch */ color: oklch(39.1% 0.162 267.7);

Tailwind

colors: {
  custom: {
    50: '#716eb9',
    500: '#21389a',
    950: '#000000',
  },
}

SCSS

$custom: #21389a;
$custom-light: #716eb9;
$custom-dark: #000000;

JSON

{
  "hex": "#21389a",
  "rgb": {
    "r": 33,
    "g": 56,
    "b": 154
  },
  "hsl": {
    "h": 228.595,
    "s": 64.706,
    "l": 36.667
  },
  "oklch": {
    "l": 0.39075,
    "c": 0.16174,
    "h": 267.7
  },
  "luminance": 0.05485
}

Semantic roles & 50–950 ramp

primary

#21389A

secondary

#C0AC57

accent

#C840E8

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #21389A

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

Preview Lab → · Contrast checker → · Palette generator →