#21398D#21398D

#21398D is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.1% C 0.142 H 267.1°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#21398D
RGB	rgb(33, 57, 141)
HSL	hsl(227, 62%, 34%)
HSV	hsv(227, 77%, 55%)
CMYK	cmyk(76.6%, 59.6%, 0%, 44.7%)
CIE-LAB	lab(27.22, 22.26, -49.29)
CIE-LCH	lch(27.22, 54.08, 294.30°)
OKLab	oklab(38.09% -0.0072 -0.1423)
OKLCH	oklch(38.09% 0.142 267.1)
XYZ	xyz(6.8964, 5.1719, 25.8290)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21398D #8D7521

analogous

#216F8D #21398D #3F218D

triadic

#21398D #8D2139 #398D21

tetradic

#21398D #8D216F #8D7521 #218D3F

square

#21398D #8D216F #8D7521 #218D3F

split-complementary

#21398D #8D3F21 #6F8D21

monochromatic

#0A112A #15255B #21398D #2D4DBF #526FD6

Accessibility & contrast

On white

10.32

#21398D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#21398D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21398D

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21398D	#FFFFFF	#000000	##FFFFFF
##21398D	1.00	10.32	2.03	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004590

Deuteranopia (green-blind)

#003B8B

Tritanopia (blue-blind)

#004E5D

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #21398d;
/* rgb */ color: rgb(33, 57, 141);
/* oklch */ color: oklch(38.1% 0.142 267.1);

Tailwind

colors: {
  custom: {
    50: '#6d6faf',
    500: '#21398d',
    950: '#000000',
  },
}

SCSS

$custom: #21398d;
$custom-light: #6d6faf;
$custom-dark: #000000;

JSON

{
  "hex": "#21398d",
  "rgb": {
    "r": 33,
    "g": 57,
    "b": 141
  },
  "hsl": {
    "h": 226.667,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.38094,
    "c": 0.14244,
    "h": 267.1
  },
  "luminance": 0.05173
}

Semantic roles & 50–950 ramp

primary

#21398D

secondary

#BAA250

accent

#C143E5

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #21398D

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

Preview Lab → · Contrast checker → · Palette generator →