#21207B#21207B

#21207B is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.7% C 0.148 H 274.4°. Best body text is #FFFFFF at 13.49:1 contrast (WCAG AA passes).

Color values

HEX	#21207B
RGB	rgb(33, 32, 123)
HSL	hsl(241, 59%, 30%)
HSV	hsv(241, 74%, 48%)
CMYK	cmyk(73.2%, 74%, 0%, 51.8%)
CIE-LAB	lab(19.17, 32.18, -51.18)
CIE-LCH	lch(19.17, 60.45, 302.16°)
OKLab	oklab(31.67% 0.0113 -0.148)
OKLCH	oklch(31.67% 0.148 274.4)
XYZ	xyz(4.7177, 2.7860, 19.0242)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21207B #7A7B20

analogous

#204D7B #21207B #4E207B

triadic

#21207B #7B2120 #207B21

tetradic

#21207B #7B204D #7A7B20 #207B4E

square

#21207B #7B204D #7A7B20 #207B4E

split-complementary

#21207B #7B4E20 #4D7B20

monochromatic

#07071A #14134A #21207B #2E2DAC #4846CF

Accessibility & contrast

On white

13.49

#21207B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#21207B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21207B

13.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21207B	#FFFFFF	#000000	##FFFFFF
##21207B	1.00	13.49	1.56	13.49
#FFFFFF	13.49	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337E

Deuteranopia (green-blind)

#002A79

Tritanopia (blue-blind)

#00394B

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #21207b;
/* rgb */ color: rgb(33, 32, 123);
/* oklch */ color: oklch(31.7% 0.148 274.4);

Tailwind

colors: {
  custom: {
    50: '#6b5ca2',
    500: '#21207b',
    950: '#000000',
  },
}

SCSS

$custom: #21207b;
$custom-light: #6b5ca2;
$custom-dark: #000000;

JSON

{
  "hex": "#21207b",
  "rgb": {
    "r": 33,
    "g": 32,
    "b": 123
  },
  "hsl": {
    "h": 240.659,
    "s": 58.71,
    "l": 30.392
  },
  "oklch": {
    "l": 0.31674,
    "c": 0.1484,
    "h": 274.4
  },
  "luminance": 0.02786
}

Semantic roles & 50–950 ramp

primary

#21207B

secondary

#ADAE49

accent

#E246E0

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #21207B

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

Preview Lab → · Contrast checker → · Palette generator →