#21298D#21298D

#21298D is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.1% C 0.162 H 271.2°. Best body text is #FFFFFF at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#21298D
RGB	rgb(33, 41, 141)
HSL	hsl(236, 62%, 34%)
HSV	hsv(236, 77%, 55%)
CMYK	cmyk(76.6%, 70.9%, 0%, 44.7%)
CIE-LAB	lab(23.11, 32.99, -56.02)
CIE-LCH	lch(23.11, 65.02, 300.49°)
OKLab	oklab(35.07% 0.0034 -0.1621)
OKLCH	oklch(35.07% 0.162 271.2)
XYZ	xyz(6.2262, 3.8316, 25.6056)
Luminance	0.0383 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21298D #8D8521

analogous

#215F8D #21298D #4F218D

triadic

#21298D #8D2129 #298D21

tetradic

#21298D #8D215F #8D8521 #218D4F

square

#21298D #8D215F #8D8521 #218D4F

split-complementary

#21298D #8D4F21 #5F8D21

monochromatic

#0A0C2A #151B5B #21298D #2D37BF #525CD6

Accessibility & contrast

On white

11.89

#21298D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#21298D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21298D

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21298D	#FFFFFF	#000000	##FFFFFF
##21298D	1.00	11.89	1.77	11.89
#FFFFFF	11.89	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C90

Deuteranopia (green-blind)

#00328B

Tritanopia (blue-blind)

#004557

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #21298d;
/* rgb */ color: rgb(33, 41, 141);
/* oklch */ color: oklch(35.1% 0.162 271.2);

Tailwind

colors: {
  custom: {
    50: '#6f63af',
    500: '#21298d',
    950: '#000000',
  },
}

SCSS

$custom: #21298d;
$custom-light: #6f63af;
$custom-dark: #000000;

JSON

{
  "hex": "#21298d",
  "rgb": {
    "r": 33,
    "g": 41,
    "b": 141
  },
  "hsl": {
    "h": 235.556,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.35069,
    "c": 0.16215,
    "h": 271.2
  },
  "luminance": 0.03832
}

Semantic roles & 50–950 ramp

primary

#21298D

secondary

#BAB250

accent

#D943E5

background

#F7F5FA

surface

#EDEAF5

border

#C8C6CF

text

#080511

muted

#7B7980

Preview Lab

Preview with #21298D

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

Preview Lab → · Contrast checker → · Palette generator →