#21347F#21347F

#21347F is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.8% C 0.129 H 268.3°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#21347F
RGB	rgb(33, 52, 127)
HSL	hsl(228, 59%, 31%)
HSV	hsv(228, 74%, 50%)
CMYK	cmyk(74%, 59.1%, 0%, 50.2%)
CIE-LAB	lab(24.67, 20.22, -44.70)
CIE-LCH	lch(24.67, 49.06, 294.33°)
OKLab	oklab(35.83% -0.0038 -0.1288)
OKLCH	oklch(35.83% 0.129 268.3)
XYZ	xyz(5.6846, 4.3110, 20.6071)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21347F #7F6C21

analogous

#21637F #21347F #3D217F

triadic

#21347F #7F2134 #347F21

tetradic

#21347F #7F2163 #7F6C21 #217F3D

square

#21347F #7F2163 #7F6C21 #217F3D

split-complementary

#21347F #7F3D21 #637F21

monochromatic

#080C1E #14204E #21347F #2E48B0 #4A65D0

Accessibility & contrast

On white

11.28

#21347F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#21347F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21347F

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21347F	#FFFFFF	#000000	##FFFFFF
##21347F	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F82

Deuteranopia (green-blind)

#00367E

Tritanopia (blue-blind)

#004654

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #21347f;
/* rgb */ color: rgb(33, 52, 127);
/* oklch */ color: oklch(35.8% 0.129 268.3);

Tailwind

colors: {
  custom: {
    50: '#6a6ba5',
    500: '#21347f',
    950: '#000000',
  },
}

SCSS

$custom: #21347f;
$custom-light: #6a6ba5;
$custom-dark: #000000;

JSON

{
  "hex": "#21347f",
  "rgb": {
    "r": 33,
    "g": 52,
    "b": 127
  },
  "hsl": {
    "h": 227.872,
    "s": 58.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.35828,
    "c": 0.1289,
    "h": 268.3
  },
  "luminance": 0.04312
}

Semantic roles & 50–950 ramp

primary

#21347F

secondary

#B29D4A

accent

#C246E2

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #21347F

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

Preview Lab → · Contrast checker → · Palette generator →