#2337BC#2337BC

#2337BC is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 42.3% C 0.206 H 268.2°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#2337BC
RGB	rgb(35, 55, 188)
HSL	hsl(232, 69%, 44%)
HSV	hsv(232, 81%, 74%)
CMYK	cmyk(81.4%, 70.7%, 0%, 26.3%)
CIE-LAB	lab(31.16, 41.37, -71.20)
CIE-LCH	lch(31.16, 82.35, 300.16°)
OKLab	oklab(42.34% -0.0064 -0.2063)
OKLCH	oklch(42.34% 0.206 268.2)
XYZ	xyz(11.1333, 6.7192, 48.2774)
Luminance	0.0672 (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

#2337BC #BCA823

analogous

#2383BC #2337BC #5B23BC

triadic

#2337BC #BC2337 #37BC23

tetradic

#2337BC #BC2383 #BCA823 #23BC5B

square

#2337BC #BC2383 #BCA823 #23BC5B

split-complementary

#2337BC #BC5B23 #83BC23

monochromatic

#101955 #192888 #2337BC #4155DC #7483E5

Accessibility & contrast

On white

8.96

#2337BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#2337BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2337BC

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2337BC	#FFFFFF	#000000	##FFFFFF
##2337BC	1.00	8.96	2.34	8.96
#FFFFFF	8.96	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051C0

Deuteranopia (green-blind)

#0042BA

Tritanopia (blue-blind)

#005D75

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2337bc;
/* rgb */ color: rgb(35, 55, 188);
/* oklch */ color: oklch(42.3% 0.206 268.2);

Tailwind

colors: {
  custom: {
    50: '#7a6ed1',
    500: '#2337bc',
    950: '#000000',
  },
}

SCSS

$custom: #2337bc;
$custom-light: #7a6ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#2337bc",
  "rgb": {
    "r": 35,
    "g": 55,
    "b": 188
  },
  "hsl": {
    "h": 232.157,
    "s": 68.61,
    "l": 43.725
  },
  "oklch": {
    "l": 0.42337,
    "c": 0.20641,
    "h": 268.2
  },
  "luminance": 0.06721
}

Semantic roles & 50–950 ramp

primary

#2337BC

secondary

#CCC06F

accent

#D53CEB

background

#F8F6FD

surface

#EFECFA

border

#CAC7D3

text

#0B0714

muted

#7C7A83

Preview Lab

Preview with #2337BC

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

Preview Lab → · Contrast checker → · Palette generator →