#2237BD#2237BD

#2237BD is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 42.4% C 0.208 H 268.0°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#2237BD
RGB	rgb(34, 55, 189)
HSL	hsl(232, 70%, 44%)
HSV	hsv(232, 82%, 74%)
CMYK	cmyk(82%, 70.9%, 0%, 25.9%)
CIE-LAB	lab(31.22, 41.66, -71.69)
CIE-LCH	lch(31.22, 82.91, 300.16°)
OKLab	oklab(42.4% -0.0073 -0.2078)
OKLCH	oklch(42.4% 0.208 268)
XYZ	xyz(11.2080, 6.7452, 48.8455)
Luminance	0.0675 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2237BD #BDA822

analogous

#2284BD #2237BD #5A22BD

triadic

#2237BD #BD2237 #37BD22

tetradic

#2237BD #BD2284 #BDA822 #22BD5A

square

#2237BD #BD2284 #BDA822 #22BD5A

split-complementary

#2237BD #BD5A22 #84BD22

monochromatic

#0F1955 #192889 #2237BD #4055DD #7383E6

Accessibility & contrast

On white

8.94

#2237BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#2237BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2237BD

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2237BD	#FFFFFF	#000000	##FFFFFF
##2237BD	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051C1

Deuteranopia (green-blind)

#0042BB

Tritanopia (blue-blind)

#005D76

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2237bd;
/* rgb */ color: rgb(34, 55, 189);
/* oklch */ color: oklch(42.4% 0.208 268.0);

Tailwind

colors: {
  custom: {
    50: '#7a6ed2',
    500: '#2237bd',
    950: '#000000',
  },
}

SCSS

$custom: #2237bd;
$custom-light: #7a6ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#2237bd",
  "rgb": {
    "r": 34,
    "g": 55,
    "b": 189
  },
  "hsl": {
    "h": 231.871,
    "s": 69.507,
    "l": 43.725
  },
  "oklch": {
    "l": 0.42399,
    "c": 0.20789,
    "h": 268
  },
  "luminance": 0.06747
}

Semantic roles & 50–950 ramp

primary

#2237BD

secondary

#CDC06E

accent

#D43BEC

background

#F8F6FD

surface

#EFECFA

border

#CAC7D3

text

#0B0714

muted

#7C7A83

Preview Lab

Preview with #2237BD

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

Preview Lab → · Contrast checker → · Palette generator →