#213CA1#213CA1

#213CA1 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.5% C 0.166 H 266.9°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#213CA1
RGB	rgb(33, 60, 161)
HSL	hsl(227, 66%, 38%)
HSV	hsv(227, 80%, 63%)
CMYK	cmyk(79.5%, 62.7%, 0%, 36.9%)
CIE-LAB	lab(29.73, 27.99, -57.42)
CIE-LCH	lch(29.73, 63.88, 295.99°)
OKLab	oklab(40.49% -0.009 -0.1661)
OKLCH	oklch(40.49% 0.166 266.9)
XYZ	xyz(8.6738, 6.1273, 34.4368)
Luminance	0.0613 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213CA1 #A18621

analogous

#217CA1 #213CA1 #4621A1

triadic

#213CA1 #A1213C #3CA121

tetradic

#213CA1 #A1217C #A18621 #21A146

square

#213CA1 #A1217C #A18621 #21A146

split-complementary

#213CA1 #A14621 #7CA121

monochromatic

#0C163B #17296E #213CA1 #2C4FD4 #5E79DE

Accessibility & contrast

On white

9.44

#213CA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#213CA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213CA1

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213CA1	#FFFFFF	#000000	##FFFFFF
##213CA1	1.00	9.44	2.23	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA4

Deuteranopia (green-blind)

#00409F

Tritanopia (blue-blind)

#005668

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #213ca1;
/* rgb */ color: rgb(33, 60, 161);
/* oklch */ color: oklch(40.5% 0.166 266.9);

Tailwind

colors: {
  custom: {
    50: '#7271be',
    500: '#213ca1',
    950: '#000000',
  },
}

SCSS

$custom: #213ca1;
$custom-light: #7271be;
$custom-dark: #000000;

JSON

{
  "hex": "#213ca1",
  "rgb": {
    "r": 33,
    "g": 60,
    "b": 161
  },
  "hsl": {
    "h": 227.344,
    "s": 65.979,
    "l": 38.039
  },
  "oklch": {
    "l": 0.40495,
    "c": 0.16632,
    "h": 266.9
  },
  "luminance": 0.06128
}

Semantic roles & 50–950 ramp

primary

#213CA1

secondary

#C3AD5B

accent

#C53FE9

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #213CA1

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

Preview Lab → · Contrast checker → · Palette generator →