#2237AF#2237AF

#2237AF is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.0% C 0.190 H 268.2°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#2237AF
RGB	rgb(34, 55, 175)
HSL	hsl(231, 67%, 41%)
HSV	hsv(231, 81%, 69%)
CMYK	cmyk(80.6%, 68.6%, 0%, 31.4%)
CIE-LAB	lab(29.83, 36.61, -65.67)
CIE-LCH	lch(29.83, 75.19, 299.14°)
OKLab	oklab(40.97% -0.0061 -0.1902)
OKLCH	oklch(40.97% 0.19 268.2)
XYZ	xyz(9.7611, 6.1665, 41.2249)
Luminance	0.0617 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.82

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2237AF #AF9A22

analogous

#227DAF #2237AF #5322AF

triadic

#2237AF #AF2237 #37AF22

tetradic

#2237AF #AF227D #AF9A22 #22AF53

square

#2237AF #AF227D #AF9A22 #22AF53

split-complementary

#2237AF #AF5322 #7DAF22

monochromatic

#0E1749 #18277C #2237AF #364ED8 #697BE2

Accessibility & contrast

On white

9.40

#2237AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#2237AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2237AF

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2237AF	#FFFFFF	#000000	##FFFFFF
##2237AF	1.00	9.40	2.23	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB3

Deuteranopia (green-blind)

#0040AD

Tritanopia (blue-blind)

#00586E

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2237af;
/* rgb */ color: rgb(34, 55, 175);
/* oklch */ color: oklch(41.0% 0.190 268.2);

Tailwind

colors: {
  custom: {
    50: '#776ec8',
    500: '#2237af',
    950: '#000000',
  },
}

SCSS

$custom: #2237af;
$custom-light: #776ec8;
$custom-dark: #000000;

JSON

{
  "hex": "#2237af",
  "rgb": {
    "r": 34,
    "g": 55,
    "b": 175
  },
  "hsl": {
    "h": 231.064,
    "s": 67.464,
    "l": 40.98
  },
  "oklch": {
    "l": 0.40974,
    "c": 0.19032,
    "h": 268.2
  },
  "luminance": 0.06168
}

Semantic roles & 50–950 ramp

primary

#2237AF

secondary

#C8B965

accent

#D13DEA

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2237AF

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

Preview Lab → · Contrast checker → · Palette generator →