#21447A#21447A

#21447A is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.1% C 0.100 H 258.9°. Best body text is #FFFFFF at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#21447A
RGB	rgb(33, 68, 122)
HSL	hsl(216, 57%, 30%)
HSV	hsv(216, 73%, 48%)
CMYK	cmyk(73%, 44.3%, 0%, 52.2%)
CIE-LAB	lab(29.06, 7.11, -34.49)
CIE-LCH	lch(29.06, 35.21, 281.64°)
OKLab	oklab(39.06% -0.0194 -0.0985)
OKLCH	oklch(39.06% 0.1 258.9)
XYZ	xyz(6.2059, 5.8621, 19.2130)
Luminance	0.0586 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21447A #7A5721

analogous

#21707A #21447A #2A217A

triadic

#21447A #7A2144 #447A21

tetradic

#21447A #7A2170 #7A5721 #217A2A

square

#21447A #7A2170 #7A5721 #217A2A

split-complementary

#21447A #7A2A21 #707A21

monochromatic

#070E1A #14294A #21447A #2E5FAA #487CCD

Accessibility & contrast

On white

9.67

#21447A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#21447A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21447A

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21447A	#FFFFFF	#000000	##FFFFFF
##21447A	1.00	9.67	2.17	9.67
#FFFFFF	9.67	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A497C

Deuteranopia (green-blind)

#1B4179

Tritanopia (blue-blind)

#005159

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #21447a;
/* rgb */ color: rgb(33, 68, 122);
/* oklch */ color: oklch(39.1% 0.100 258.9);

Tailwind

colors: {
  custom: {
    50: '#6877a1',
    500: '#21447a',
    950: '#000000',
  },
}

SCSS

$custom: #21447a;
$custom-light: #6877a1;
$custom-dark: #000000;

JSON

{
  "hex": "#21447a",
  "rgb": {
    "r": 33,
    "g": 68,
    "b": 122
  },
  "hsl": {
    "h": 216.404,
    "s": 57.419,
    "l": 30.392
  },
  "oklch": {
    "l": 0.39056,
    "c": 0.10041,
    "h": 258.9
  },
  "luminance": 0.05863
}

Semantic roles & 50–950 ramp

primary

#21447A

secondary

#AD864A

accent

#A447E1

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#07080F

muted

#7A7B7E

Preview Lab

Preview with #21447A

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

Preview Lab → · Contrast checker → · Palette generator →