#2423A7#2423A7

#2423A7 is a dark, highly saturated blue. Relative luminance 0.044; OKLCH L 37.2% C 0.200 H 271.4°. Best body text is #FFFFFF at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#2423A7
RGB	rgb(36, 35, 167)
HSL	hsl(240, 65%, 40%)
HSV	hsv(240, 79%, 65%)
CMYK	cmyk(78.4%, 79%, 0%, 34.5%)
CIE-LAB	lab(24.85, 45.78, -69.09)
CIE-LCH	lch(24.85, 82.87, 303.53°)
OKLab	oklab(37.19% 0.005 -0.2)
OKLCH	oklch(37.19% 0.2 271.4)
XYZ	xyz(8.3013, 4.3662, 36.9570)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2423A7 #A6A723

analogous

#2364A7 #2423A7 #6623A7

triadic

#2423A7 #A72423 #23A724

tetradic

#2423A7 #A72364 #A6A723 #23A766

square

#2423A7 #A72364 #A6A723 #23A766

split-complementary

#2423A7 #A76623 #64A723

monochromatic

#0E0E42 #191874 #2423A7 #3433D4 #6666DF

Accessibility & contrast

On white

11.21

#2423A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#2423A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2423A7

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2423A7	#FFFFFF	#000000	##FFFFFF
##2423A7	1.00	11.21	1.87	11.21
#FFFFFF	11.21	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041AB

Deuteranopia (green-blind)

#0034A5

Tritanopia (blue-blind)

#004B65

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2423a7;
/* rgb */ color: rgb(36, 35, 167);
/* oklch */ color: oklch(37.2% 0.200 271.4);

Tailwind

colors: {
  custom: {
    50: '#7761c3',
    500: '#2423a7',
    950: '#000000',
  },
}

SCSS

$custom: #2423a7;
$custom-light: #7761c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2423a7",
  "rgb": {
    "r": 36,
    "g": 35,
    "b": 167
  },
  "hsl": {
    "h": 240.455,
    "s": 65.347,
    "l": 39.608
  },
  "oklch": {
    "l": 0.37189,
    "c": 0.20006,
    "h": 271.4
  },
  "luminance": 0.04367
}

Semantic roles & 50–950 ramp

primary

#2423A7

secondary

#C4C461

accent

#E83FE7

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0A0513

muted

#7C7982

Preview Lab

Preview with #2423A7

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

Preview Lab → · Contrast checker → · Palette generator →