#213D7E#213D7E

#213D7E is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.7% C 0.115 H 264.1°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#213D7E
RGB	rgb(33, 61, 126)
HSL	hsl(222, 58%, 31%)
HSV	hsv(222, 74%, 49%)
CMYK	cmyk(73.8%, 51.6%, 0%, 50.6%)
CIE-LAB	lab(27.20, 13.53, -39.98)
CIE-LCH	lch(27.20, 42.20, 288.70°)
OKLab	oklab(37.72% -0.0118 -0.1148)
OKLCH	oklch(37.72% 0.115 264.1)
XYZ	xyz(6.0605, 5.1665, 20.4125)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213D7E #7E6221

analogous

#216B7E #213D7E #33217E

triadic

#213D7E #7E213D #3D7E21

tetradic

#213D7E #7E216B #7E6221 #217E33

square

#213D7E #7E216B #7E6221 #217E33

split-complementary

#213D7E #7E3321 #6B7E21

monochromatic

#080E1D #14264E #213D7E #2E54AE #4A72D0

Accessibility & contrast

On white

10.33

#213D7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#213D7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213D7E

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213D7E	#FFFFFF	#000000	##FFFFFF
##213D7E	1.00	10.33	2.03	10.33
#FFFFFF	10.33	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174580

Deuteranopia (green-blind)

#003C7D

Tritanopia (blue-blind)

#004C57

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #213d7e;
/* rgb */ color: rgb(33, 61, 126);
/* oklch */ color: oklch(37.7% 0.115 264.1);

Tailwind

colors: {
  custom: {
    50: '#6972a4',
    500: '#213d7e',
    950: '#000000',
  },
}

SCSS

$custom: #213d7e;
$custom-light: #6972a4;
$custom-dark: #000000;

JSON

{
  "hex": "#213d7e",
  "rgb": {
    "r": 33,
    "g": 61,
    "b": 126
  },
  "hsl": {
    "h": 221.935,
    "s": 58.491,
    "l": 31.176
  },
  "oklch": {
    "l": 0.37716,
    "c": 0.11541,
    "h": 264.1
  },
  "luminance": 0.05167
}

Semantic roles & 50–950 ramp

primary

#213D7E

secondary

#B1924A

accent

#B346E2

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #213D7E

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

Preview Lab → · Contrast checker → · Palette generator →