#2430B1#2430B1

#2430B1 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.1% C 0.200 H 269.6°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#2430B1
RGB	rgb(36, 48, 177)
HSL	hsl(235, 66%, 42%)
HSV	hsv(235, 80%, 69%)
CMYK	cmyk(79.7%, 72.9%, 0%, 30.6%)
CIE-LAB	lab(28.54, 41.80, -68.98)
CIE-LCH	lch(28.54, 80.66, 301.21°)
OKLab	oklab(40.13% -0.0014 -0.1998)
OKLCH	oklch(40.13% 0.2 269.6)
XYZ	xyz(9.7176, 5.6622, 42.1672)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.75

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2430B1 #B1A524

analogous

#2476B1 #2430B1 #5F24B1

triadic

#2430B1 #B12430 #30B124

tetradic

#2430B1 #B12476 #B1A524 #24B15F

square

#2430B1 #B12476 #B1A524 #24B15F

split-complementary

#2430B1 #B15F24 #76B124

monochromatic

#0F144B #1A227E #2430B1 #3B48D7 #6E78E1

Accessibility & contrast

On white

9.85

#2430B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#2430B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2430B1

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2430B1	#FFFFFF	#000000	##FFFFFF
##2430B1	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB5

Deuteranopia (green-blind)

#003CAF

Tritanopia (blue-blind)

#00556D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2430b1;
/* rgb */ color: rgb(36, 48, 177);
/* oklch */ color: oklch(40.1% 0.200 269.6);

Tailwind

colors: {
  custom: {
    50: '#7869ca',
    500: '#2430b1',
    950: '#000000',
  },
}

SCSS

$custom: #2430b1;
$custom-light: #7869ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2430b1",
  "rgb": {
    "r": 36,
    "g": 48,
    "b": 177
  },
  "hsl": {
    "h": 234.894,
    "s": 66.197,
    "l": 41.765
  },
  "oklch": {
    "l": 0.40132,
    "c": 0.19982,
    "h": 269.6
  },
  "luminance": 0.05663
}

Semantic roles & 50–950 ramp

primary

#2430B1

secondary

#C8C069

accent

#DB3FE9

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2430B1

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

Preview Lab → · Contrast checker → · Palette generator →