#213FA7#213FA7

#213FA7 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.6% C 0.171 H 266.3°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#213FA7
RGB	rgb(33, 63, 167)
HSL	hsl(227, 67%, 39%)
HSV	hsv(227, 80%, 65%)
CMYK	cmyk(80.2%, 62.3%, 0%, 34.5%)
CIE-LAB	lab(31.04, 28.29, -58.90)
CIE-LCH	lch(31.04, 65.34, 295.66°)
OKLab	oklab(41.63% -0.0109 -0.1704)
OKLCH	oklch(41.63% 0.171 266.3)
XYZ	xyz(9.3773, 6.6673, 37.3444)
Luminance	0.0667 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213FA7 #A78921

analogous

#2182A7 #213FA7 #4621A7

triadic

#213FA7 #A7213F #3FA721

tetradic

#213FA7 #A72182 #A78921 #21A746

square

#213FA7 #A72182 #A78921 #21A746

split-complementary

#213FA7 #A74621 #82A721

monochromatic

#0D1841 #172C74 #213FA7 #2F55D6 #627EE0

Accessibility & contrast

On white

9.00

#213FA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#213FA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213FA7

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213FA7	#FFFFFF	#000000	##FFFFFF
##213FA7	1.00	9.00	2.33	9.00
#FFFFFF	9.00	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAA

Deuteranopia (green-blind)

#0043A5

Tritanopia (blue-blind)

#005A6D

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #213fa7;
/* rgb */ color: rgb(33, 63, 167);
/* oklch */ color: oklch(41.6% 0.171 266.3);

Tailwind

colors: {
  custom: {
    50: '#7373c2',
    500: '#213fa7',
    950: '#000000',
  },
}

SCSS

$custom: #213fa7;
$custom-light: #7373c2;
$custom-dark: #000000;

JSON

{
  "hex": "#213fa7",
  "rgb": {
    "r": 33,
    "g": 63,
    "b": 167
  },
  "hsl": {
    "h": 226.567,
    "s": 67,
    "l": 39.216
  },
  "oklch": {
    "l": 0.41626,
    "c": 0.17072,
    "h": 266.3
  },
  "luminance": 0.06668
}

Semantic roles & 50–950 ramp

primary

#213FA7

secondary

#C5AE5F

accent

#C33EEA

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #213FA7

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

Preview Lab → · Contrast checker → · Palette generator →