#213CA4#213CA4

#213CA4 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.8% C 0.170 H 266.9°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#213CA4
RGB	rgb(33, 60, 164)
HSL	hsl(228, 66%, 39%)
HSV	hsv(228, 80%, 64%)
CMYK	cmyk(79.9%, 63.4%, 0%, 35.7%)
CIE-LAB	lab(30.00, 29.14, -58.80)
CIE-LCH	lch(30.00, 65.62, 296.37°)
OKLab	oklab(40.77% -0.0091 -0.1701)
OKLCH	oklch(40.77% 0.17 266.9)
XYZ	xyz(8.9416, 6.2344, 35.8469)
Luminance	0.0624 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213CA4 #A48921

analogous

#217DA4 #213CA4 #4821A4

triadic

#213CA4 #A4213C #3CA421

tetradic

#213CA4 #A4217D #A48921 #21A448

square

#213CA4 #A4217D #A48921 #21A448

split-complementary

#213CA4 #A44821 #7DA421

monochromatic

#0C173E #172971 #213CA4 #2D50D5 #607ADF

Accessibility & contrast

On white

9.35

#213CA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#213CA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213CA4

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213CA4	#FFFFFF	#000000	##FFFFFF
##213CA4	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA7

Deuteranopia (green-blind)

#0041A2

Tritanopia (blue-blind)

#00576A

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #213ca4;
/* rgb */ color: rgb(33, 60, 164);
/* oklch */ color: oklch(40.8% 0.170 266.9);

Tailwind

colors: {
  custom: {
    50: '#7371c0',
    500: '#213ca4',
    950: '#000000',
  },
}

SCSS

$custom: #213ca4;
$custom-light: #7371c0;
$custom-dark: #000000;

JSON

{
  "hex": "#213ca4",
  "rgb": {
    "r": 33,
    "g": 60,
    "b": 164
  },
  "hsl": {
    "h": 227.634,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.40773,
    "c": 0.17034,
    "h": 266.9
  },
  "luminance": 0.06235
}

Semantic roles & 50–950 ramp

primary

#213CA4

secondary

#C4AF5D

accent

#C63EE9

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #213CA4

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

Preview Lab → · Contrast checker → · Palette generator →