#213DA0#213DA0

#213DA0 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.6% C 0.164 H 266.6°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#213DA0
RGB	rgb(33, 61, 160)
HSL	hsl(227, 66%, 38%)
HSV	hsv(227, 79%, 63%)
CMYK	cmyk(79.4%, 61.9%, 0%, 37.3%)
CIE-LAB	lab(29.91, 26.93, -56.53)
CIE-LCH	lch(29.91, 62.62, 295.48°)
OKLab	oklab(40.6% -0.0097 -0.1634)
OKLCH	oklch(40.6% 0.164 266.6)
XYZ	xyz(8.6389, 6.1979, 33.9919)
Luminance	0.0620 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213DA0 #A08421

analogous

#217CA0 #213DA0 #4521A0

triadic

#213DA0 #A0213D #3DA021

tetradic

#213DA0 #A0217C #A08421 #21A045

square

#213DA0 #A0217C #A08421 #21A045

split-complementary

#213DA0 #A04521 #7CA021

monochromatic

#0C163B #172A6D #213DA0 #2B50D3 #5E7ADE

Accessibility & contrast

On white

9.38

#213DA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#213DA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213DA0

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213DA0	#FFFFFF	#000000	##FFFFFF
##213DA0	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA3

Deuteranopia (green-blind)

#00419E

Tritanopia (blue-blind)

#005668

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #213da0;
/* rgb */ color: rgb(33, 61, 160);
/* oklch */ color: oklch(40.6% 0.164 266.6);

Tailwind

colors: {
  custom: {
    50: '#7272bd',
    500: '#213da0',
    950: '#000000',
  },
}

SCSS

$custom: #213da0;
$custom-light: #7272bd;
$custom-dark: #000000;

JSON

{
  "hex": "#213da0",
  "rgb": {
    "r": 33,
    "g": 61,
    "b": 160
  },
  "hsl": {
    "h": 226.772,
    "s": 65.803,
    "l": 37.843
  },
  "oklch": {
    "l": 0.40598,
    "c": 0.16373,
    "h": 266.6
  },
  "luminance": 0.06199
}

Semantic roles & 50–950 ramp

primary

#213DA0

secondary

#C2AB5B

accent

#C33FE9

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #213DA0

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

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