#2C23BB#2C23BB

#2C23BB is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.9% C 0.221 H 272.6°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#2C23BB
RGB	rgb(44, 35, 187)
HSL	hsl(244, 68%, 44%)
HSV	hsv(244, 81%, 73%)
CMYK	cmyk(76.5%, 81.3%, 0%, 26.7%)
CIE-LAB	lab(27.64, 52.62, -76.42)
CIE-LCH	lch(27.64, 92.78, 304.55°)
OKLab	oklab(39.93% 0.01 -0.2211)
OKLCH	oklch(39.93% 0.221 272.6)
XYZ	xyz(10.6064, 5.3243, 47.4728)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C23BB #B2BB23

analogous

#2366BB #2C23BB #7823BB

triadic

#2C23BB #BB2C23 #23BB2C

tetradic

#2C23BB #BB2366 #B2BB23 #23BB78

square

#2C23BB #BB2366 #B2BB23 #23BB78

split-complementary

#2C23BB #BB7823 #66BB23

monochromatic

#141054 #201987 #2C23BB #4940DB #7A74E5

Accessibility & contrast

On white

10.17

#2C23BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2C23BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C23BB

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C23BB	#FFFFFF	#000000	##FFFFFF
##2C23BB	1.00	10.17	2.07	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048BF

Deuteranopia (green-blind)

#003AB8

Tritanopia (blue-blind)

#005370

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2c23bb;
/* rgb */ color: rgb(44, 35, 187);
/* oklch */ color: oklch(39.9% 0.221 272.6);

Tailwind

colors: {
  custom: {
    50: '#7e62d1',
    500: '#2c23bb',
    950: '#000000',
  },
}

SCSS

$custom: #2c23bb;
$custom-light: #7e62d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2c23bb",
  "rgb": {
    "r": 44,
    "g": 35,
    "b": 187
  },
  "hsl": {
    "h": 243.553,
    "s": 68.468,
    "l": 43.529
  },
  "oklch": {
    "l": 0.39935,
    "c": 0.22132,
    "h": 272.6
  },
  "luminance": 0.05325
}

Semantic roles & 50–950 ramp

primary

#2C23BB

secondary

#C6CC6E

accent

#EB3CE1

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0514

muted

#7D7A83

Preview Lab

Preview with #2C23BB

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

Preview Lab → · Contrast checker → · Palette generator →