#213A63#213A63

#213A63 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.0% C 0.078 H 259.8°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#213A63
RGB	rgb(33, 58, 99)
HSL	hsl(217, 50%, 26%)
HSV	hsv(217, 67%, 39%)
CMYK	cmyk(66.7%, 41.4%, 0%, 61.2%)
CIE-LAB	lab(24.48, 4.93, -27.12)
CIE-LCH	lch(24.48, 27.57, 280.30°)
OKLab	oklab(35.04% -0.0139 -0.0771)
OKLCH	oklch(35.04% 0.078 259.8)
XYZ	xyz(4.3916, 4.2499, 12.3908)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213A63 #634A21

analogous

#215B63 #213A63 #292163

triadic

#213A63 #63213A #3A6321

tetradic

#213A63 #63215B #634A21 #216329

square

#213A63 #63215B #634A21 #216329

split-complementary

#213A63 #632921 #5B6321

monochromatic

#080D17 #121F35 #213A63 #305591 #4070BF

Accessibility & contrast

On white

11.35

#213A63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#213A63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213A63

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213A63	#FFFFFF	#000000	##FFFFFF
##213A63	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283D65

Deuteranopia (green-blind)

#1F3762

Tritanopia (blue-blind)

#004349

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #213a63;
/* rgb */ color: rgb(33, 58, 99);
/* oklch */ color: oklch(35.0% 0.078 259.8);

Tailwind

colors: {
  custom: {
    50: '#646f8f',
    500: '#213a63',
    950: '#000000',
  },
}

SCSS

$custom: #213a63;
$custom-light: #646f8f;
$custom-dark: #000000;

JSON

{
  "hex": "#213a63",
  "rgb": {
    "r": 33,
    "g": 58,
    "b": 99
  },
  "hsl": {
    "h": 217.273,
    "s": 50,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35042,
    "c": 0.07833,
    "h": 259.8
  },
  "luminance": 0.0425
}

Semantic roles & 50–950 ramp

primary

#213A63

secondary

#977949

accent

#A54EDA

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #213A63

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

Preview Lab → · Contrast checker → · Palette generator →