#213CA6#213CA6

#213CA6 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.0% C 0.173 H 267.0°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#213CA6
RGB	rgb(33, 60, 166)
HSL	hsl(228, 67%, 39%)
HSV	hsv(228, 80%, 65%)
CMYK	cmyk(80.1%, 63.9%, 0%, 34.9%)
CIE-LAB	lab(30.17, 29.91, -59.71)
CIE-LCH	lch(30.17, 66.78, 296.61°)
OKLab	oklab(40.96% -0.0091 -0.1728)
OKLCH	oklch(40.96% 0.173 267)
XYZ	xyz(9.1236, 6.3072, 36.8056)
Luminance	0.0631 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213CA6 #A68B21

analogous

#217FA6 #213CA6 #4921A6

triadic

#213CA6 #A6213C #3CA621

tetradic

#213CA6 #A6217F #A68B21 #21A649

square

#213CA6 #A6217F #A68B21 #21A649

split-complementary

#213CA6 #A64921 #7FA621

monochromatic

#0D1740 #172A73 #213CA6 #2F51D6 #627BE0

Accessibility & contrast

On white

9.29

#213CA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#213CA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213CA6

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213CA6	#FFFFFF	#000000	##FFFFFF
##213CA6	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA9

Deuteranopia (green-blind)

#0041A4

Tritanopia (blue-blind)

#00586B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #213ca6;
/* rgb */ color: rgb(33, 60, 166);
/* oklch */ color: oklch(41.0% 0.173 267.0);

Tailwind

colors: {
  custom: {
    50: '#7371c1',
    500: '#213ca6',
    950: '#000000',
  },
}

SCSS

$custom: #213ca6;
$custom-light: #7371c1;
$custom-dark: #000000;

JSON

{
  "hex": "#213ca6",
  "rgb": {
    "r": 33,
    "g": 60,
    "b": 166
  },
  "hsl": {
    "h": 227.82,
    "s": 66.834,
    "l": 39.02
  },
  "oklch": {
    "l": 0.4096,
    "c": 0.17302,
    "h": 267
  },
  "luminance": 0.06308
}

Semantic roles & 50–950 ramp

primary

#213CA6

secondary

#C5B05E

accent

#C73EEA

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #213CA6

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

Preview Lab → · Contrast checker → · Palette generator →