#21347E#21347E

#21347E is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.7% C 0.127 H 268.3°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#21347E
RGB	rgb(33, 52, 126)
HSL	hsl(228, 58%, 31%)
HSV	hsv(228, 74%, 49%)
CMYK	cmyk(73.8%, 58.7%, 0%, 50.6%)
CIE-LAB	lab(24.59, 19.82, -44.20)
CIE-LCH	lch(24.59, 48.44, 294.15°)
OKLab	oklab(35.74% -0.0038 -0.1274)
OKLCH	oklch(35.74% 0.127 268.3)
XYZ	xyz(5.6198, 4.2851, 20.2656)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21347E #7E6B21

analogous

#21627E #21347E #3C217E

triadic

#21347E #7E2134 #347E21

tetradic

#21347E #7E2162 #7E6B21 #217E3C

square

#21347E #7E2162 #7E6B21 #217E3C

split-complementary

#21347E #7E3C21 #627E21

monochromatic

#080C1D #14204E #21347E #2E48AE #4A65D0

Accessibility & contrast

On white

11.31

#21347E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#21347E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21347E

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21347E	#FFFFFF	#000000	##FFFFFF
##21347E	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F81

Deuteranopia (green-blind)

#00367D

Tritanopia (blue-blind)

#004653

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #21347e;
/* rgb */ color: rgb(33, 52, 126);
/* oklch */ color: oklch(35.7% 0.127 268.3);

Tailwind

colors: {
  custom: {
    50: '#6a6ba4',
    500: '#21347e',
    950: '#000000',
  },
}

SCSS

$custom: #21347e;
$custom-light: #6a6ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#21347e",
  "rgb": {
    "r": 33,
    "g": 52,
    "b": 126
  },
  "hsl": {
    "h": 227.742,
    "s": 58.491,
    "l": 31.176
  },
  "oklch": {
    "l": 0.35741,
    "c": 0.12745,
    "h": 268.3
  },
  "luminance": 0.04286
}

Semantic roles & 50–950 ramp

primary

#21347E

secondary

#B19C4A

accent

#C246E2

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #21347E

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

Preview Lab → · Contrast checker → · Palette generator →