#2B23D4#2B23D4

#2B23D4 is a dark, highly saturated blue. Relative luminance 0.065; OKLCH L 42.8% C 0.249 H 270.7°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#2B23D4
RGB	rgb(43, 35, 212)
HSL	hsl(243, 72%, 48%)
HSV	hsv(243, 83%, 83%)
CMYK	cmyk(79.7%, 83.5%, 0%, 16.9%)
CIE-LAB	lab(30.56, 60.03, -86.21)
CIE-LCH	lch(30.56, 105.05, 304.85°)
OKLab	oklab(42.79% 0.0029 -0.2495)
OKLCH	oklch(42.79% 0.249 270.7)
XYZ	xyz(13.4769, 6.4676, 62.8127)
Luminance	0.0647 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B23D4 #CCD423

analogous

#2373D4 #2B23D4 #8323D4

triadic

#2B23D4 #D42B23 #23D42B

tetradic

#2B23D4 #D42373 #CCD423 #23D483

square

#2B23D4 #D42373 #CCD423 #23D483

split-complementary

#2B23D4 #D48323 #73D423

monochromatic

#16126B #201A9F #2B23D4 #5852E2 #8B86EB

Accessibility & contrast

On white

9.16

#2B23D4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#2B23D4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B23D4

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B23D4	#FFFFFF	#000000	##FFFFFF
##2B23D4	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051D9

Deuteranopia (green-blind)

#003FD1

Tritanopia (blue-blind)

#005E7F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2b23d4;
/* rgb */ color: rgb(43, 35, 212);
/* oklch */ color: oklch(42.8% 0.249 270.7);

Tailwind

colors: {
  custom: {
    50: '#8464e3',
    500: '#2b23d4',
    950: '#000000',
  },
}

SCSS

$custom: #2b23d4;
$custom-light: #8464e3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b23d4",
  "rgb": {
    "r": 43,
    "g": 35,
    "b": 212
  },
  "hsl": {
    "h": 242.712,
    "s": 71.66,
    "l": 48.431
  },
  "oklch": {
    "l": 0.42794,
    "c": 0.24948,
    "h": 270.7
  },
  "luminance": 0.06469
}

Semantic roles & 50–950 ramp

primary

#2B23D4

secondary

#D0D47E

accent

#EE39E6

background

#F9F6FE

surface

#F1EBFC

border

#CBC6D5

text

#0D0616

muted

#7E7A84

Preview Lab

Preview with #2B23D4

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

Preview Lab → · Contrast checker → · Palette generator →