#4230B2#4230B2

#4230B2 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 42.1% C 0.194 H 280.4°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#4230B2
RGB	rgb(66, 48, 178)
HSL	hsl(248, 58%, 44%)
HSV	hsv(248, 73%, 70%)
CMYK	cmyk(62.9%, 73%, 0%, 30.2%)
CIE-LAB	lab(30.61, 45.24, -66.11)
CIE-LCH	lch(30.61, 80.11, 304.38°)
OKLab	oklab(42.15% 0.0349 -0.1907)
OKLCH	oklch(42.15% 0.194 280.4)
XYZ	xyz(11.3371, 6.4857, 42.7653)
Luminance	0.0649 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Indigo Blue

#3A18B1

ΔE00 4.58

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4230B2 #A0B230

analogous

#305FB2 #4230B2 #8330B2

triadic

#4230B2 #B24230 #30B242

tetradic

#4230B2 #B2305F #A0B230 #30B283

square

#4230B2 #B2305F #A0B230 #30B283

split-complementary

#4230B2 #B28330 #5FB230

monochromatic

#1E1652 #302382 #4230B2 #6150D0 #8D80DD

Accessibility & contrast

On white

9.14

#4230B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#4230B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4230B2

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4230B2	#FFFFFF	#000000	##FFFFFF
##4230B2	1.00	9.14	2.30	9.14
#FFFFFF	9.14	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB6

Deuteranopia (green-blind)

#0043B0

Tritanopia (blue-blind)

#00546E

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #4230b2;
/* rgb */ color: rgb(66, 48, 178);
/* oklch */ color: oklch(42.1% 0.194 280.4);

Tailwind

colors: {
  custom: {
    50: '#846bca',
    500: '#4230b2',
    950: '#000000',
  },
}

SCSS

$custom: #4230b2;
$custom-light: #846bca;
$custom-dark: #000000;

JSON

{
  "hex": "#4230b2",
  "rgb": {
    "r": 66,
    "g": 48,
    "b": 178
  },
  "hsl": {
    "h": 248.308,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.42145,
    "c": 0.19388,
    "h": 280.4
  },
  "luminance": 0.06487
}

Semantic roles & 50–950 ramp

primary

#4230B2

secondary

#BBC678

accent

#E147CB

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4230B2

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

Preview Lab → · Contrast checker → · Palette generator →