#213DBC#213DBC

#213DBC is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 43.3% C 0.200 H 267.0°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#213DBC
RGB	rgb(33, 61, 188)
HSL	hsl(229, 70%, 43%)
HSV	hsv(229, 82%, 74%)
CMYK	cmyk(82.4%, 67.6%, 0%, 26.3%)
CIE-LAB	lab(32.46, 37.49, -69.06)
CIE-LCH	lch(32.46, 78.58, 298.50°)
OKLab	oklab(43.26% -0.0105 -0.2001)
OKLCH	oklch(43.26% 0.2 267)
XYZ	xyz(11.3699, 7.2903, 48.3751)
Luminance	0.0729 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.98

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213DBC #BCA021

analogous

#218ABC #213DBC #5221BC

triadic

#213DBC #BC213D #3DBC21

tetradic

#213DBC #BC218A #BCA021 #21BC52

square

#213DBC #BC218A #BCA021 #21BC52

split-complementary

#213DBC #BC5221 #8ABC21

monochromatic

#0F1B54 #182C88 #213DBC #3D5ADD #7186E6

Accessibility & contrast

On white

8.54

#213DBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#213DBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213DBC

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213DBC	#FFFFFF	#000000	##FFFFFF
##213DBC	1.00	8.54	2.46	8.54
#FFFFFF	8.54	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C0

Deuteranopia (green-blind)

#0045BA

Tritanopia (blue-blind)

#006077

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #213dbc;
/* rgb */ color: rgb(33, 61, 188);
/* oklch */ color: oklch(43.3% 0.200 267.0);

Tailwind

colors: {
  custom: {
    50: '#7972d1',
    500: '#213dbc',
    950: '#000000',
  },
}

SCSS

$custom: #213dbc;
$custom-light: #7972d1;
$custom-dark: #000000;

JSON

{
  "hex": "#213dbc",
  "rgb": {
    "r": 33,
    "g": 61,
    "b": 188
  },
  "hsl": {
    "h": 229.161,
    "s": 70.136,
    "l": 43.333
  },
  "oklch": {
    "l": 0.43258,
    "c": 0.20038,
    "h": 267
  },
  "luminance": 0.07292
}

Semantic roles & 50–950 ramp

primary

#213DBC

secondary

#CDBB6C

accent

#CD3BED

background

#F8F6FD

surface

#EFECFA

border

#CAC7D3

text

#0B0814

muted

#7C7B83

Preview Lab

Preview with #213DBC

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

Preview Lab → · Contrast checker → · Palette generator →