#213ABC#213ABC

#213ABC is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 42.7% C 0.204 H 267.4°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#213ABC
RGB	rgb(33, 58, 188)
HSL	hsl(230, 70%, 43%)
HSV	hsv(230, 82%, 74%)
CMYK	cmyk(82.4%, 69.1%, 0%, 26.3%)
CIE-LAB	lab(31.76, 39.38, -70.21)
CIE-LCH	lch(31.76, 80.50, 299.28°)
OKLab	oklab(42.75% -0.0092 -0.2035)
OKLCH	oklch(42.75% 0.204 267.4)
XYZ	xyz(11.2142, 6.9789, 48.3232)
Luminance	0.0698 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213ABC #BCA321

analogous

#2187BC #213ABC #5621BC

triadic

#213ABC #BC213A #3ABC21

tetradic

#213ABC #BC2187 #BCA321 #21BC56

square

#213ABC #BC2187 #BCA321 #21BC56

split-complementary

#213ABC #BC5621 #87BC21

monochromatic

#0F1A54 #182A88 #213ABC #3D57DD #7184E6

Accessibility & contrast

On white

8.76

#213ABC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#213ABC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213ABC

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213ABC	#FFFFFF	#000000	##FFFFFF
##213ABC	1.00	8.76	2.40	8.76
#FFFFFF	8.76	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052C0

Deuteranopia (green-blind)

#0043BA

Tritanopia (blue-blind)

#005E76

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #213abc;
/* rgb */ color: rgb(33, 58, 188);
/* oklch */ color: oklch(42.7% 0.204 267.4);

Tailwind

colors: {
  custom: {
    50: '#7970d1',
    500: '#213abc',
    950: '#000000',
  },
}

SCSS

$custom: #213abc;
$custom-light: #7970d1;
$custom-dark: #000000;

JSON

{
  "hex": "#213abc",
  "rgb": {
    "r": 33,
    "g": 58,
    "b": 188
  },
  "hsl": {
    "h": 230.323,
    "s": 70.136,
    "l": 43.333
  },
  "oklch": {
    "l": 0.42749,
    "c": 0.20368,
    "h": 267.4
  },
  "luminance": 0.0698
}

Semantic roles & 50–950 ramp

primary

#213ABC

secondary

#CDBD6C

accent

#D03BED

background

#F8F6FD

surface

#EFECFA

border

#CAC7D3

text

#0B0714

muted

#7C7A83

Preview Lab

Preview with #213ABC

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

Preview Lab → · Contrast checker → · Palette generator →