#213FA6#213FA6

#213FA6 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.5% C 0.169 H 266.3°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#213FA6
RGB	rgb(33, 63, 166)
HSL	hsl(226, 67%, 39%)
HSV	hsv(226, 80%, 65%)
CMYK	cmyk(80.1%, 62%, 0%, 34.9%)
CIE-LAB	lab(30.95, 27.91, -58.44)
CIE-LCH	lch(30.95, 64.76, 295.53°)
OKLab	oklab(41.53% -0.0109 -0.169)
OKLCH	oklch(41.53% 0.169 266.3)
XYZ	xyz(9.2852, 6.6304, 36.8594)
Luminance	0.0663 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213FA6 #A68821

analogous

#2182A6 #213FA6 #4621A6

triadic

#213FA6 #A6213F #3FA621

tetradic

#213FA6 #A62182 #A68821 #21A646

square

#213FA6 #A62182 #A68821 #21A646

split-complementary

#213FA6 #A64621 #82A621

monochromatic

#0D1840 #172C73 #213FA6 #2F54D6 #627EE0

Accessibility & contrast

On white

9.03

#213FA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#213FA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213FA6

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213FA6	#FFFFFF	#000000	##FFFFFF
##213FA6	1.00	9.03	2.33	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA9

Deuteranopia (green-blind)

#0043A4

Tritanopia (blue-blind)

#005A6C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #213fa6;
/* rgb */ color: rgb(33, 63, 166);
/* oklch */ color: oklch(41.5% 0.169 266.3);

Tailwind

colors: {
  custom: {
    50: '#7373c1',
    500: '#213fa6',
    950: '#000000',
  },
}

SCSS

$custom: #213fa6;
$custom-light: #7373c1;
$custom-dark: #000000;

JSON

{
  "hex": "#213fa6",
  "rgb": {
    "r": 33,
    "g": 63,
    "b": 166
  },
  "hsl": {
    "h": 226.466,
    "s": 66.834,
    "l": 39.02
  },
  "oklch": {
    "l": 0.41534,
    "c": 0.16937,
    "h": 266.3
  },
  "luminance": 0.06632
}

Semantic roles & 50–950 ramp

primary

#213FA6

secondary

#C5AE5E

accent

#C33EEA

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#090812

muted

#7B7B81

Preview Lab

Preview with #213FA6

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

Preview Lab → · Contrast checker → · Palette generator →