#213B7C#213B7C

#213B7C is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.1% C 0.115 H 264.9°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#213B7C
RGB	rgb(33, 59, 124)
HSL	hsl(223, 58%, 31%)
HSV	hsv(223, 73%, 49%)
CMYK	cmyk(73.4%, 52.4%, 0%, 51.4%)
CIE-LAB	lab(26.46, 14.13, -39.91)
CIE-LCH	lch(26.46, 42.34, 289.49°)
OKLab	oklab(37.11% -0.0102 -0.1146)
OKLCH	oklch(37.11% 0.115 264.9)
XYZ	xyz(5.8280, 4.9059, 19.7047)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213B7C #7C6221

analogous

#21687C #213B7C #34217C

triadic

#213B7C #7C213B #3B7C21

tetradic

#213B7C #7C2168 #7C6221 #217C34

square

#213B7C #7C2168 #7C6221 #217C34

split-complementary

#213B7C #7C3421 #687C21

monochromatic

#070D1B #14244C #213B7C #2E52AC #496FCF

Accessibility & contrast

On white

10.60

#213B7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#213B7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213B7C

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213B7C	#FFFFFF	#000000	##FFFFFF
##213B7C	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14437E

Deuteranopia (green-blind)

#003B7B

Tritanopia (blue-blind)

#004A55

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #213b7c;
/* rgb */ color: rgb(33, 59, 124);
/* oklch */ color: oklch(37.1% 0.115 264.9);

Tailwind

colors: {
  custom: {
    50: '#6970a2',
    500: '#213b7c',
    950: '#000000',
  },
}

SCSS

$custom: #213b7c;
$custom-light: #6970a2;
$custom-dark: #000000;

JSON

{
  "hex": "#213b7c",
  "rgb": {
    "r": 33,
    "g": 59,
    "b": 124
  },
  "hsl": {
    "h": 222.857,
    "s": 57.962,
    "l": 30.784
  },
  "oklch": {
    "l": 0.37106,
    "c": 0.1151,
    "h": 264.9
  },
  "luminance": 0.04906
}

Semantic roles & 50–950 ramp

primary

#213B7C

secondary

#AF924A

accent

#B547E1

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #213B7C

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

Preview Lab → · Contrast checker → · Palette generator →