#213F9C#213F9C

#213F9C is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.6% C 0.156 H 265.9°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#213F9C
RGB	rgb(33, 63, 156)
HSL	hsl(225, 65%, 37%)
HSV	hsv(225, 79%, 61%)
CMYK	cmyk(78.8%, 59.6%, 0%, 38.8%)
CIE-LAB	lab(30.10, 24.03, -53.78)
CIE-LCH	lch(30.10, 58.90, 294.07°)
OKLab	oklab(40.64% -0.0111 -0.1554)
OKLCH	oklch(40.64% 0.156 265.9)
XYZ	xyz(8.4033, 6.2777, 32.2149)
Luminance	0.0628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213F9C #9C7E21

analogous

#217D9C #213F9C #41219C

triadic

#213F9C #9C213F #3F9C21

tetradic

#213F9C #9C217D #9C7E21 #219C41

square

#213F9C #9C217D #9C7E21 #219C41

split-complementary

#213F9C #9C4121 #7D9C21

monochromatic

#0C1637 #162B69 #213F9C #2C53CF #5B7BDC

Accessibility & contrast

On white

9.31

#213F9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#213F9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213F9C

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213F9C	#FFFFFF	#000000	##FFFFFF
##213F9C	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9F

Deuteranopia (green-blind)

#00419A

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #213f9c;
/* rgb */ color: rgb(33, 63, 156);
/* oklch */ color: oklch(40.6% 0.156 265.9);

Tailwind

colors: {
  custom: {
    50: '#7173ba',
    500: '#213f9c',
    950: '#000000',
  },
}

SCSS

$custom: #213f9c;
$custom-light: #7173ba;
$custom-dark: #000000;

JSON

{
  "hex": "#213f9c",
  "rgb": {
    "r": 33,
    "g": 63,
    "b": 156
  },
  "hsl": {
    "h": 225.366,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.40639,
    "c": 0.15575,
    "h": 265.9
  },
  "luminance": 0.06279
}

Semantic roles & 50–950 ramp

primary

#213F9C

secondary

#C1A758

accent

#BF40E8

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #213F9C

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

Preview Lab → · Contrast checker → · Palette generator →