#213B68#213B68

#213B68 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.6% C 0.085 H 260.6°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#213B68
RGB	rgb(33, 59, 104)
HSL	hsl(218, 52%, 27%)
HSV	hsv(218, 68%, 41%)
CMYK	cmyk(68.3%, 43.3%, 0%, 59.2%)
CIE-LAB	lab(25.11, 6.19, -29.36)
CIE-LCH	lch(25.11, 30.00, 281.91°)
OKLab	oklab(35.63% -0.0138 -0.0836)
OKLCH	oklch(35.63% 0.085 260.6)
XYZ	xyz(4.6890, 4.4503, 13.7059)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213B68 #684E21

analogous

#215F68 #213B68 #2B2168

triadic

#213B68 #68213B #3B6821

tetradic

#213B68 #68215F #684E21 #21682B

square

#213B68 #68215F #684E21 #21682B

split-complementary

#213B68 #682B21 #5F6821

monochromatic

#070D17 #12213A #213B68 #305596 #4170C3

Accessibility & contrast

On white

11.11

#213B68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#213B68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213B68

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213B68	#FFFFFF	#000000	##FFFFFF
##213B68	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#273F6A

Deuteranopia (green-blind)

#1C3967

Tritanopia (blue-blind)

#00454C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #213b68;
/* rgb */ color: rgb(33, 59, 104);
/* oklch */ color: oklch(35.6% 0.085 260.6);

Tailwind

colors: {
  custom: {
    50: '#657093',
    500: '#213b68',
    950: '#000000',
  },
}

SCSS

$custom: #213b68;
$custom-light: #657093;
$custom-dark: #000000;

JSON

{
  "hex": "#213b68",
  "rgb": {
    "r": 33,
    "g": 59,
    "b": 104
  },
  "hsl": {
    "h": 218.028,
    "s": 51.825,
    "l": 26.863
  },
  "oklch": {
    "l": 0.35628,
    "c": 0.08475,
    "h": 260.6
  },
  "luminance": 0.04451
}

Semantic roles & 50–950 ramp

primary

#213B68

secondary

#9C7E49

accent

#A74DDB

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #213B68

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

Preview Lab → · Contrast checker → · Palette generator →