#21389F#21389F

#21389F is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.5% C 0.168 H 267.8°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#21389F
RGB	rgb(33, 56, 159)
HSL	hsl(229, 66%, 38%)
HSV	hsv(229, 79%, 62%)
CMYK	cmyk(79.2%, 64.8%, 0%, 37.6%)
CIE-LAB	lab(28.52, 29.90, -58.19)
CIE-LCH	lch(28.52, 65.42, 297.20°)
OKLab	oklab(39.55% -0.0066 -0.1684)
OKLCH	oklch(39.55% 0.168 267.8)
XYZ	xyz(8.2972, 5.6539, 33.4482)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21389F #9F8821

analogous

#21779F #21389F #49219F

triadic

#21389F #9F2138 #389F21

tetradic

#21389F #9F2177 #9F8821 #219F49

square

#21389F #9F2177 #9F8821 #219F49

split-complementary

#21389F #9F4921 #779F21

monochromatic

#0C143A #16266C #21389F #2C4AD2 #5D74DD

Accessibility & contrast

On white

9.85

#21389F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#21389F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21389F

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21389F	#FFFFFF	#000000	##FFFFFF
##21389F	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A2

Deuteranopia (green-blind)

#003D9D

Tritanopia (blue-blind)

#005366

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #21389f;
/* rgb */ color: rgb(33, 56, 159);
/* oklch */ color: oklch(39.5% 0.168 267.8);

Tailwind

colors: {
  custom: {
    50: '#726ebc',
    500: '#21389f',
    950: '#000000',
  },
}

SCSS

$custom: #21389f;
$custom-light: #726ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#21389f",
  "rgb": {
    "r": 33,
    "g": 56,
    "b": 159
  },
  "hsl": {
    "h": 229.048,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.39547,
    "c": 0.16849,
    "h": 267.8
  },
  "luminance": 0.05655
}

Semantic roles & 50–950 ramp

primary

#21389F

secondary

#C2AF5A

accent

#CA3FE9

background

#F7F6FB

surface

#EDEBF7

border

#C8C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #21389F

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

Preview Lab → · Contrast checker → · Palette generator →