#213F7D#213F7D

#213F7D is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.1% C 0.111 H 262.8°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#213F7D
RGB	rgb(33, 63, 125)
HSL	hsl(220, 58%, 31%)
HSV	hsv(220, 74%, 49%)
CMYK	cmyk(73.6%, 49.6%, 0%, 51%)
CIE-LAB	lab(27.73, 11.74, -38.50)
CIE-LCH	lch(27.73, 40.25, 286.96°)
OKLab	oklab(38.1% -0.0139 -0.1104)
OKLCH	oklch(38.1% 0.111 262.8)
XYZ	xyz(6.1051, 5.3584, 20.1106)
Luminance	0.0536 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213F7D #7D5F21

analogous

#216D7D #213F7D #31217D

triadic

#213F7D #7D213F #3F7D21

tetradic

#213F7D #7D216D #7D5F21 #217D31

square

#213F7D #7D216D #7D5F21 #217D31

split-complementary

#213F7D #7D3121 #6D7D21

monochromatic

#070E1C #14274D #213F7D #2E57AD #4975CF

Accessibility & contrast

On white

10.14

#213F7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#213F7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213F7D

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213F7D	#FFFFFF	#000000	##FFFFFF
##213F7D	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D467F

Deuteranopia (green-blind)

#053D7C

Tritanopia (blue-blind)

#004E58

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #213f7d;
/* rgb */ color: rgb(33, 63, 125);
/* oklch */ color: oklch(38.1% 0.111 262.8);

Tailwind

colors: {
  custom: {
    50: '#6973a3',
    500: '#213f7d',
    950: '#000000',
  },
}

SCSS

$custom: #213f7d;
$custom-light: #6973a3;
$custom-dark: #000000;

JSON

{
  "hex": "#213f7d",
  "rgb": {
    "r": 33,
    "g": 63,
    "b": 125
  },
  "hsl": {
    "h": 220.435,
    "s": 58.228,
    "l": 30.98
  },
  "oklch": {
    "l": 0.38097,
    "c": 0.11128,
    "h": 262.8
  },
  "luminance": 0.05359
}

Semantic roles & 50–950 ramp

primary

#213F7D

secondary

#B08F4A

accent

#AF46E1

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #213F7D

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

Preview Lab → · Contrast checker → · Palette generator →