#213A8F#213A8F

#213A8F is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.5% C 0.144 H 266.8°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#213A8F
RGB	rgb(33, 58, 143)
HSL	hsl(226, 63%, 35%)
HSV	hsv(226, 77%, 56%)
CMYK	cmyk(76.9%, 59.4%, 0%, 43.9%)
CIE-LAB	lab(27.66, 22.35, -49.81)
CIE-LCH	lch(27.66, 54.59, 294.17°)
OKLab	oklab(38.48% -0.0079 -0.1438)
OKLCH	oklch(38.48% 0.144 266.8)
XYZ	xyz(7.0964, 5.3318, 26.6364)
Luminance	0.0533 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213A8F #8F7621

analogous

#21718F #213A8F #3F218F

triadic

#213A8F #8F213A #3A8F21

tetradic

#213A8F #8F2171 #8F7621 #218F3F

square

#213A8F #8F2171 #8F7621 #218F3F

split-complementary

#213A8F #8F3F21 #718F21

monochromatic

#0A122C #16265D #213A8F #2C4EC1 #5371D7

Accessibility & contrast

On white

10.16

#213A8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#213A8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213A8F

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213A8F	#FFFFFF	#000000	##FFFFFF
##213A8F	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004792

Deuteranopia (green-blind)

#003C8D

Tritanopia (blue-blind)

#004F5E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #213a8f;
/* rgb */ color: rgb(33, 58, 143);
/* oklch */ color: oklch(38.5% 0.144 266.8);

Tailwind

colors: {
  custom: {
    50: '#6e6fb1',
    500: '#213a8f',
    950: '#000000',
  },
}

SCSS

$custom: #213a8f;
$custom-light: #6e6fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#213a8f",
  "rgb": {
    "r": 33,
    "g": 58,
    "b": 143
  },
  "hsl": {
    "h": 226.364,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.38476,
    "c": 0.14399,
    "h": 266.8
  },
  "luminance": 0.05333
}

Semantic roles & 50–950 ramp

primary

#213A8F

secondary

#BBA351

accent

#C042E6

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #213A8F

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

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