#213DA6#213DA6

#213DA6 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.1% C 0.172 H 266.8°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#213DA6
RGB	rgb(33, 61, 166)
HSL	hsl(227, 67%, 39%)
HSV	hsv(227, 80%, 65%)
CMYK	cmyk(80.1%, 63.3%, 0%, 34.9%)
CIE-LAB	lab(30.43, 29.24, -59.29)
CIE-LCH	lch(30.43, 66.11, 296.25°)
OKLab	oklab(41.15% -0.0097 -0.1715)
OKLCH	oklch(41.15% 0.172 266.8)
XYZ	xyz(9.1765, 6.4129, 36.8232)
Luminance	0.0641 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213DA6 #A68A21

analogous

#2180A6 #213DA6 #4721A6

triadic

#213DA6 #A6213D #3DA621

tetradic

#213DA6 #A62180 #A68A21 #21A647

square

#213DA6 #A62180 #A68A21 #21A647

split-complementary

#213DA6 #A64721 #80A621

monochromatic

#0D1740 #172A73 #213DA6 #2F52D6 #627CE0

Accessibility & contrast

On white

9.20

#213DA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#213DA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213DA6

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213DA6	#FFFFFF	#000000	##FFFFFF
##213DA6	1.00	9.20	2.28	9.20
#FFFFFF	9.20	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA9

Deuteranopia (green-blind)

#0042A4

Tritanopia (blue-blind)

#00586B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #213da6;
/* rgb */ color: rgb(33, 61, 166);
/* oklch */ color: oklch(41.1% 0.172 266.8);

Tailwind

colors: {
  custom: {
    50: '#7372c1',
    500: '#213da6',
    950: '#000000',
  },
}

SCSS

$custom: #213da6;
$custom-light: #7372c1;
$custom-dark: #000000;

JSON

{
  "hex": "#213da6",
  "rgb": {
    "r": 33,
    "g": 61,
    "b": 166
  },
  "hsl": {
    "h": 227.368,
    "s": 66.834,
    "l": 39.02
  },
  "oklch": {
    "l": 0.4115,
    "c": 0.1718,
    "h": 266.8
  },
  "luminance": 0.06414
}

Semantic roles & 50–950 ramp

primary

#213DA6

secondary

#C5AF5E

accent

#C63EEA

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #213DA6

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

Preview Lab → · Contrast checker → · Palette generator →