#21409A#21409A

#21409A is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.7% C 0.152 H 265.5°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#21409A
RGB	rgb(33, 64, 154)
HSL	hsl(225, 65%, 37%)
HSV	hsv(225, 79%, 60%)
CMYK	cmyk(78.6%, 58.4%, 0%, 39.6%)
CIE-LAB	lab(30.21, 22.56, -52.39)
CIE-LCH	lch(30.21, 57.04, 293.30°)
OKLab	oklab(40.67% -0.0118 -0.1512)
OKLCH	oklch(40.67% 0.152 265.5)
XYZ	xyz(8.2913, 6.3223, 31.3489)
Luminance	0.0632 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21409A #9A7B21

analogous

#217D9A #21409A #3F219A

triadic

#21409A #9A2140 #409A21

tetradic

#21409A #9A217D #9A7B21 #219A3F

square

#21409A #9A217D #9A7B21 #219A3F

split-complementary

#21409A #9A3F21 #7D9A21

monochromatic

#0B1635 #162B68 #21409A #2C55CC #5A7BDC

Accessibility & contrast

On white

9.27

#21409A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#21409A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21409A

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21409A	#FFFFFF	#000000	##FFFFFF
##21409A	1.00	9.27	2.26	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9D

Deuteranopia (green-blind)

#004298

Tritanopia (blue-blind)

#005766

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #21409a;
/* rgb */ color: rgb(33, 64, 154);
/* oklch */ color: oklch(40.7% 0.152 265.5);

Tailwind

colors: {
  custom: {
    50: '#7074b8',
    500: '#21409a',
    950: '#000000',
  },
}

SCSS

$custom: #21409a;
$custom-light: #7074b8;
$custom-dark: #000000;

JSON

{
  "hex": "#21409a",
  "rgb": {
    "r": 33,
    "g": 64,
    "b": 154
  },
  "hsl": {
    "h": 224.628,
    "s": 64.706,
    "l": 36.667
  },
  "oklch": {
    "l": 0.40669,
    "c": 0.15171,
    "h": 265.5
  },
  "luminance": 0.06323
}

Semantic roles & 50–950 ramp

primary

#21409A

secondary

#C0A557

accent

#BD40E8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #21409A

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

Preview Lab → · Contrast checker → · Palette generator →