#21409E#21409E

#21409E is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.0% C 0.157 H 265.7°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#21409E
RGB	rgb(33, 64, 158)
HSL	hsl(225, 65%, 37%)
HSV	hsv(225, 79%, 62%)
CMYK	cmyk(79.1%, 59.5%, 0%, 38%)
CIE-LAB	lab(30.54, 24.13, -54.28)
CIE-LCH	lch(30.54, 59.40, 293.97°)
OKLab	oklab(41.02% -0.0117 -0.1568)
OKLCH	oklch(41.02% 0.157 265.7)
XYZ	xyz(8.6300, 6.4578, 33.1328)
Luminance	0.0646 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21409E #9E7F21

analogous

#217F9E #21409E #41219E

triadic

#21409E #9E2140 #409E21

tetradic

#21409E #9E217F #9E7F21 #219E41

square

#21409E #9E217F #9E7F21 #219E41

split-complementary

#21409E #9E4121 #7F9E21

monochromatic

#0C1739 #162B6B #21409E #2C55D1 #5C7CDD

Accessibility & contrast

On white

9.16

#21409E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#21409E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21409E

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21409E	#FFFFFF	#000000	##FFFFFF
##21409E	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA1

Deuteranopia (green-blind)

#00429C

Tritanopia (blue-blind)

#005868

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #21409e;
/* rgb */ color: rgb(33, 64, 158);
/* oklch */ color: oklch(41.0% 0.157 265.7);

Tailwind

colors: {
  custom: {
    50: '#7174bb',
    500: '#21409e',
    950: '#000000',
  },
}

SCSS

$custom: #21409e;
$custom-light: #7174bb;
$custom-dark: #000000;

JSON

{
  "hex": "#21409e",
  "rgb": {
    "r": 33,
    "g": 64,
    "b": 158
  },
  "hsl": {
    "h": 225.12,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.41017,
    "c": 0.15724,
    "h": 265.7
  },
  "luminance": 0.06459
}

Semantic roles & 50–950 ramp

primary

#21409E

secondary

#C1A859

accent

#BE3FE8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #21409E

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

Preview Lab → · Contrast checker → · Palette generator →