#21447E#21447E

#21447E is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.3% C 0.106 H 259.9°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#21447E
RGB	rgb(33, 68, 126)
HSL	hsl(217, 58%, 31%)
HSV	hsv(217, 74%, 49%)
CMYK	cmyk(73.8%, 46%, 0%, 50.6%)
CIE-LAB	lab(29.32, 8.70, -36.58)
CIE-LCH	lch(29.32, 37.60, 283.37°)
OKLab	oklab(39.34% -0.0186 -0.1047)
OKLCH	oklch(39.34% 0.106 259.9)
XYZ	xyz(6.4589, 5.9632, 20.5452)
Luminance	0.0596 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21447E #7E5B21

analogous

#21727E #21447E #2C217E

triadic

#21447E #7E2144 #447E21

tetradic

#21447E #7E2172 #7E5B21 #217E2C

square

#21447E #7E2172 #7E5B21 #217E2C

split-complementary

#21447E #7E2C21 #727E21

monochromatic

#08101D #142A4E #21447E #2E5EAE #4A7CD0

Accessibility & contrast

On white

9.58

#21447E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#21447E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21447E

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21447E	#FFFFFF	#000000	##FFFFFF
##21447E	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274A80

Deuteranopia (green-blind)

#16417D

Tritanopia (blue-blind)

#00525B

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #21447e;
/* rgb */ color: rgb(33, 68, 126);
/* oklch */ color: oklch(39.3% 0.106 259.9);

Tailwind

colors: {
  custom: {
    50: '#6977a4',
    500: '#21447e',
    950: '#000000',
  },
}

SCSS

$custom: #21447e;
$custom-light: #6977a4;
$custom-dark: #000000;

JSON

{
  "hex": "#21447e",
  "rgb": {
    "r": 33,
    "g": 68,
    "b": 126
  },
  "hsl": {
    "h": 217.419,
    "s": 58.491,
    "l": 31.176
  },
  "oklch": {
    "l": 0.39338,
    "c": 0.1063,
    "h": 259.9
  },
  "luminance": 0.05964
}

Semantic roles & 50–950 ramp

primary

#21447E

secondary

#B18A4A

accent

#A746E2

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #21447E

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

Preview Lab → · Contrast checker → · Palette generator →