#2F23BD#2F23BD

#2F23BD is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.3% C 0.223 H 273.4°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#2F23BD
RGB	rgb(47, 35, 189)
HSL	hsl(245, 69%, 44%)
HSV	hsv(245, 81%, 74%)
CMYK	cmyk(75.1%, 81.5%, 0%, 25.9%)
CIE-LAB	lab(28.06, 53.42, -76.90)
CIE-LCH	lch(28.06, 93.63, 304.79°)
OKLab	oklab(40.34% 0.0132 -0.2224)
OKLCH	oklch(40.34% 0.223 273.4)
XYZ	xyz(10.9556, 5.4794, 48.6145)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F23BD #B1BD23

analogous

#2364BD #2F23BD #7C23BD

triadic

#2F23BD #BD2F23 #23BD2F

tetradic

#2F23BD #BD2364 #B1BD23 #23BD7C

square

#2F23BD #BD2364 #B1BD23 #23BD7C

split-complementary

#2F23BD #BD7C23 #64BD23

monochromatic

#151056 #221989 #2F23BD #4D41DC #7E75E5

Accessibility & contrast

On white

10.02

#2F23BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#2F23BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F23BD

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F23BD	#FFFFFF	#000000	##FFFFFF
##2F23BD	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049C1

Deuteranopia (green-blind)

#003BBA

Tritanopia (blue-blind)

#005471

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2f23bd;
/* rgb */ color: rgb(47, 35, 189);
/* oklch */ color: oklch(40.3% 0.223 273.4);

Tailwind

colors: {
  custom: {
    50: '#8063d2',
    500: '#2f23bd',
    950: '#000000',
  },
}

SCSS

$custom: #2f23bd;
$custom-light: #8063d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f23bd",
  "rgb": {
    "r": 47,
    "g": 35,
    "b": 189
  },
  "hsl": {
    "h": 244.675,
    "s": 68.75,
    "l": 43.922
  },
  "oklch": {
    "l": 0.40343,
    "c": 0.22283,
    "h": 273.4
  },
  "luminance": 0.05481
}

Semantic roles & 50–950 ramp

primary

#2F23BD

secondary

#C5CD6F

accent

#EC3CDE

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0514

muted

#7D7A83

Preview Lab

Preview with #2F23BD

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

Preview Lab → · Contrast checker → · Palette generator →