#213BA4#213BA4

#213BA4 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.6% C 0.172 H 267.2°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#213BA4
RGB	rgb(33, 59, 164)
HSL	hsl(228, 66%, 39%)
HSV	hsv(228, 80%, 64%)
CMYK	cmyk(79.9%, 64%, 0%, 35.7%)
CIE-LAB	lab(29.74, 29.81, -59.22)
CIE-LCH	lch(29.74, 66.30, 296.72°)
OKLab	oklab(40.58% -0.0085 -0.1713)
OKLCH	oklch(40.58% 0.172 267.2)
XYZ	xyz(8.8897, 6.1306, 35.8296)
Luminance	0.0613 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213BA4 #A48A21

analogous

#217CA4 #213BA4 #4921A4

triadic

#213BA4 #A4213B #3BA421

tetradic

#213BA4 #A4217C #A48A21 #21A449

square

#213BA4 #A4217C #A48A21 #21A449

split-complementary

#213BA4 #A44921 #7CA421

monochromatic

#0C163E #172971 #213BA4 #2D4FD5 #6079DF

Accessibility & contrast

On white

9.43

#213BA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#213BA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213BA4

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213BA4	#FFFFFF	#000000	##FFFFFF
##213BA4	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA7

Deuteranopia (green-blind)

#0040A2

Tritanopia (blue-blind)

#00576A

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #213ba4;
/* rgb */ color: rgb(33, 59, 164);
/* oklch */ color: oklch(40.6% 0.172 267.2);

Tailwind

colors: {
  custom: {
    50: '#7370c0',
    500: '#213ba4',
    950: '#000000',
  },
}

SCSS

$custom: #213ba4;
$custom-light: #7370c0;
$custom-dark: #000000;

JSON

{
  "hex": "#213ba4",
  "rgb": {
    "r": 33,
    "g": 59,
    "b": 164
  },
  "hsl": {
    "h": 228.092,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.40583,
    "c": 0.17155,
    "h": 267.2
  },
  "luminance": 0.06132
}

Semantic roles & 50–950 ramp

primary

#213BA4

secondary

#C4AF5D

accent

#C73EE9

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #213BA4

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

Preview Lab → · Contrast checker → · Palette generator →