#213AA1#213AA1

#213AA1 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.1% C 0.169 H 267.3°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#213AA1
RGB	rgb(33, 58, 161)
HSL	hsl(228, 66%, 38%)
HSV	hsv(228, 80%, 63%)
CMYK	cmyk(79.5%, 64%, 0%, 36.9%)
CIE-LAB	lab(29.21, 29.33, -58.26)
CIE-LCH	lch(29.21, 65.23, 296.72°)
OKLab	oklab(40.11% -0.0078 -0.1686)
OKLCH	oklch(40.11% 0.169 267.3)
XYZ	xyz(8.5710, 5.9217, 34.4026)
Luminance	0.0592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213AA1 #A18821

analogous

#217AA1 #213AA1 #4821A1

triadic

#213AA1 #A1213A #3AA121

tetradic

#213AA1 #A1217A #A18821 #21A148

square

#213AA1 #A1217A #A18821 #21A148

split-complementary

#213AA1 #A14821 #7AA121

monochromatic

#0C153B #17286E #213AA1 #2C4CD4 #5E77DE

Accessibility & contrast

On white

9.61

#213AA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#213AA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213AA1

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213AA1	#FFFFFF	#000000	##FFFFFF
##213AA1	1.00	9.61	2.18	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA4

Deuteranopia (green-blind)

#003F9F

Tritanopia (blue-blind)

#005568

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #213aa1;
/* rgb */ color: rgb(33, 58, 161);
/* oklch */ color: oklch(40.1% 0.169 267.3);

Tailwind

colors: {
  custom: {
    50: '#7270be',
    500: '#213aa1',
    950: '#000000',
  },
}

SCSS

$custom: #213aa1;
$custom-light: #7270be;
$custom-dark: #000000;

JSON

{
  "hex": "#213aa1",
  "rgb": {
    "r": 33,
    "g": 58,
    "b": 161
  },
  "hsl": {
    "h": 228.281,
    "s": 65.979,
    "l": 38.039
  },
  "oklch": {
    "l": 0.40113,
    "c": 0.16875,
    "h": 267.3
  },
  "luminance": 0.05923
}

Semantic roles & 50–950 ramp

primary

#213AA1

secondary

#C3AE5B

accent

#C83FE9

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #213AA1

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

Preview Lab → · Contrast checker → · Palette generator →