#21447F#21447F

#21447F is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.4% C 0.108 H 260.2°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#21447F
RGB	rgb(33, 68, 127)
HSL	hsl(218, 59%, 31%)
HSV	hsv(218, 74%, 50%)
CMYK	cmyk(74%, 46.5%, 0%, 50.2%)
CIE-LAB	lab(29.39, 9.09, -37.10)
CIE-LCH	lch(29.39, 38.19, 283.77°)
OKLab	oklab(39.41% -0.0184 -0.1062)
OKLCH	oklch(39.41% 0.108 260.2)
XYZ	xyz(6.5237, 5.9892, 20.8868)
Luminance	0.0599 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21447F #7F5C21

analogous

#21737F #21447F #2D217F

triadic

#21447F #7F2144 #447F21

tetradic

#21447F #7F2173 #7F5C21 #217F2D

square

#21447F #7F2173 #7F5C21 #217F2D

split-complementary

#21447F #7F2D21 #737F21

monochromatic

#08101E #142A4E #21447F #2E5EB0 #4A7CD0

Accessibility & contrast

On white

9.55

#21447F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#21447F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21447F

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21447F	#FFFFFF	#000000	##FFFFFF
##21447F	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#264A81

Deuteranopia (green-blind)

#14417E

Tritanopia (blue-blind)

#00525B

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #21447f;
/* rgb */ color: rgb(33, 68, 127);
/* oklch */ color: oklch(39.4% 0.108 260.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#21447f",
  "rgb": {
    "r": 33,
    "g": 68,
    "b": 127
  },
  "hsl": {
    "h": 217.66,
    "s": 58.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.3941,
    "c": 0.10777,
    "h": 260.2
  },
  "luminance": 0.0599
}

Semantic roles & 50–950 ramp

primary

#21447F

secondary

#B28B4A

accent

#A846E2

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #21447F

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

Preview Lab → · Contrast checker → · Palette generator →