#213CA8#213CA8

#213CA8 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.1% C 0.176 H 267.0°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#213CA8
RGB	rgb(33, 60, 168)
HSL	hsl(228, 67%, 39%)
HSV	hsv(228, 80%, 66%)
CMYK	cmyk(80.4%, 64.3%, 0%, 34.1%)
CIE-LAB	lab(30.35, 30.67, -60.62)
CIE-LCH	lch(30.35, 67.93, 296.84°)
OKLab	oklab(41.15% -0.0092 -0.1754)
OKLCH	oklch(41.15% 0.176 267)
XYZ	xyz(9.3085, 6.3811, 37.7793)
Luminance	0.0638 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213CA8 #A88D21

analogous

#2180A8 #213CA8 #4A21A8

triadic

#213CA8 #A8213C #3CA821

tetradic

#213CA8 #A82180 #A88D21 #21A84A

square

#213CA8 #A82180 #A88D21 #21A84A

split-complementary

#213CA8 #A84A21 #80A821

monochromatic

#0D1742 #172A75 #213CA8 #3051D6 #637CE0

Accessibility & contrast

On white

9.23

#213CA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#213CA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213CA8

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213CA8	#FFFFFF	#000000	##FFFFFF
##213CA8	1.00	9.23	2.28	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAB

Deuteranopia (green-blind)

#0041A6

Tritanopia (blue-blind)

#00586C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #213ca8;
/* rgb */ color: rgb(33, 60, 168);
/* oklch */ color: oklch(41.1% 0.176 267.0);

Tailwind

colors: {
  custom: {
    50: '#7471c3',
    500: '#213ca8',
    950: '#000000',
  },
}

SCSS

$custom: #213ca8;
$custom-light: #7471c3;
$custom-dark: #000000;

JSON

{
  "hex": "#213ca8",
  "rgb": {
    "r": 33,
    "g": 60,
    "b": 168
  },
  "hsl": {
    "h": 228,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.41148,
    "c": 0.17567,
    "h": 267
  },
  "luminance": 0.06382
}

Semantic roles & 50–950 ramp

primary

#213CA8

secondary

#C5B15F

accent

#C83EEA

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #213CA8

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

Preview Lab → · Contrast checker → · Palette generator →