#213B7E#213B7E

#213B7E is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.3% C 0.118 H 265.1°. Best body text is #FFFFFF at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#213B7E
RGB	rgb(33, 59, 126)
HSL	hsl(223, 58%, 31%)
HSV	hsv(223, 74%, 49%)
CMYK	cmyk(73.8%, 53.2%, 0%, 50.6%)
CIE-LAB	lab(26.61, 14.92, -40.93)
CIE-LCH	lch(26.61, 43.57, 290.03°)
OKLab	oklab(37.27% -0.01 -0.1176)
OKLCH	oklch(37.27% 0.118 265.1)
XYZ	xyz(5.9557, 4.9570, 20.3775)
Luminance	0.0496 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213B7E #7E6421

analogous

#21697E #213B7E #35217E

triadic

#213B7E #7E213B #3B7E21

tetradic

#213B7E #7E2169 #7E6421 #217E35

square

#213B7E #7E2169 #7E6421 #217E35

split-complementary

#213B7E #7E3521 #697E21

monochromatic

#080E1D #14244E #213B7E #2E52AE #4A6FD0

Accessibility & contrast

On white

10.54

#213B7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#213B7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213B7E

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213B7E	#FFFFFF	#000000	##FFFFFF
##213B7E	1.00	10.54	1.99	10.54
#FFFFFF	10.54	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#114380

Deuteranopia (green-blind)

#003B7D

Tritanopia (blue-blind)

#004B56

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #213b7e;
/* rgb */ color: rgb(33, 59, 126);
/* oklch */ color: oklch(37.3% 0.118 265.1);

Tailwind

colors: {
  custom: {
    50: '#6970a4',
    500: '#213b7e',
    950: '#000000',
  },
}

SCSS

$custom: #213b7e;
$custom-light: #6970a4;
$custom-dark: #000000;

JSON

{
  "hex": "#213b7e",
  "rgb": {
    "r": 33,
    "g": 59,
    "b": 126
  },
  "hsl": {
    "h": 223.226,
    "s": 58.491,
    "l": 31.176
  },
  "oklch": {
    "l": 0.37265,
    "c": 0.11807,
    "h": 265.1
  },
  "luminance": 0.04958
}

Semantic roles & 50–950 ramp

primary

#213B7E

secondary

#B1944A

accent

#B646E2

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #213B7E

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

Preview Lab → · Contrast checker → · Palette generator →