#2721AC#2721AC

#2721AC is a dark, highly saturated blue. Relative luminance 0.045; OKLCH L 37.7% C 0.207 H 272.2°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#2721AC
RGB	rgb(39, 33, 172)
HSL	hsl(243, 68%, 40%)
HSV	hsv(243, 81%, 67%)
CMYK	cmyk(77.3%, 80.8%, 0%, 32.5%)
CIE-LAB	lab(25.25, 48.61, -71.43)
CIE-LCH	lch(25.25, 86.40, 304.23°)
OKLab	oklab(37.69% 0.0081 -0.2067)
OKLCH	oklch(37.69% 0.207 272.2)
XYZ	xyz(8.8245, 4.4966, 39.4246)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2721AC #A6AC21

analogous

#2160AC #2721AC #6C21AC

triadic

#2721AC #AC2721 #21AC27

tetradic

#2721AC #AC2160 #A6AC21 #21AC6C

square

#2721AC #AC2160 #A6AC21 #21AC6C

split-complementary

#2721AC #AC6C21 #60AC21

monochromatic

#100D45 #1B1779 #2721AC #3A32D8 #6B66E2

Accessibility & contrast

On white

11.05

#2721AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2721AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2721AC

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2721AC	#FFFFFF	#000000	##FFFFFF
##2721AC	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B0

Deuteranopia (green-blind)

#0035AA

Tritanopia (blue-blind)

#004D67

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2721ac;
/* rgb */ color: rgb(39, 33, 172);
/* oklch */ color: oklch(37.7% 0.207 272.2);

Tailwind

colors: {
  custom: {
    50: '#7960c6',
    500: '#2721ac',
    950: '#000000',
  },
}

SCSS

$custom: #2721ac;
$custom-light: #7960c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2721ac",
  "rgb": {
    "r": 39,
    "g": 33,
    "b": 172
  },
  "hsl": {
    "h": 242.59,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.37686,
    "c": 0.20687,
    "h": 272.2
  },
  "luminance": 0.04498
}

Semantic roles & 50–950 ramp

primary

#2721AC

secondary

#C3C762

accent

#EB3DE3

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2721AC

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

Preview Lab → · Contrast checker → · Palette generator →