#21427F#21427F

#21427F is a dark, moderate blue. Relative luminance 0.058; OKLCH L 38.9% C 0.110 H 261.4°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#21427F
RGB	rgb(33, 66, 127)
HSL	hsl(219, 59%, 31%)
HSV	hsv(219, 74%, 50%)
CMYK	cmyk(74%, 48%, 0%, 50.2%)
CIE-LAB	lab(28.78, 10.46, -38.07)
CIE-LCH	lch(28.78, 39.48, 285.37°)
OKLab	oklab(38.94% -0.0164 -0.1091)
OKLCH	oklch(38.94% 0.11 261.4)
XYZ	xyz(6.4048, 5.7514, 20.8471)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21427F #7F5E21

analogous

#21717F #21427F #2F217F

triadic

#21427F #7F2142 #427F21

tetradic

#21427F #7F2171 #7F5E21 #217F2F

square

#21427F #7F2171 #7F5E21 #217F2F

split-complementary

#21427F #7F2F21 #717F21

monochromatic

#08101E #14294E #21427F #2E5BB0 #4A79D0

Accessibility & contrast

On white

9.77

#21427F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#21427F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21427F

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21427F	#FFFFFF	#000000	##FFFFFF
##21427F	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224881

Deuteranopia (green-blind)

#0D407E

Tritanopia (blue-blind)

#00505A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #21427f;
/* rgb */ color: rgb(33, 66, 127);
/* oklch */ color: oklch(38.9% 0.110 261.4);

Tailwind

colors: {
  custom: {
    50: '#6975a4',
    500: '#21427f',
    950: '#000000',
  },
}

SCSS

$custom: #21427f;
$custom-light: #6975a4;
$custom-dark: #000000;

JSON

{
  "hex": "#21427f",
  "rgb": {
    "r": 33,
    "g": 66,
    "b": 127
  },
  "hsl": {
    "h": 218.936,
    "s": 58.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.38942,
    "c": 0.11033,
    "h": 261.4
  },
  "luminance": 0.05752
}

Semantic roles & 50–950 ramp

primary

#21427F

secondary

#B28D4A

accent

#AB46E2

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #21427F

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

Preview Lab → · Contrast checker → · Palette generator →