#4128C3#4128C3

#4128C3 is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.8% C 0.222 H 278.8°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#4128C3
RGB	rgb(65, 40, 195)
HSL	hsl(250, 66%, 46%)
HSV	hsv(250, 79%, 76%)
CMYK	cmyk(66.7%, 79.5%, 0%, 23.5%)
CIE-LAB	lab(30.83, 54.33, -75.80)
CIE-LCH	lch(30.83, 93.26, 305.63°)
OKLab	oklab(42.8% 0.0339 -0.2189)
OKLCH	oklch(42.8% 0.222 278.8)
XYZ	xyz(12.7859, 6.5805, 52.2155)
Luminance	0.0658 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4128C3 #AAC328

analogous

#285DC3 #4128C3 #8E28C3

triadic

#4128C3 #C34128 #28C341

tetradic

#4128C3 #C3285D #AAC328 #28C38E

square

#4128C3 #C3285D #AAC328 #28C38E

split-complementary

#4128C3 #C38E28 #5DC328

monochromatic

#1F135D #301E90 #4128C3 #644EDB #9180E5

Accessibility & contrast

On white

9.07

#4128C3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#4128C3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4128C3

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4128C3	#FFFFFF	#000000	##FFFFFF
##4128C3	1.00	9.07	2.32	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EC7

Deuteranopia (green-blind)

#0042C0

Tritanopia (blue-blind)

#005776

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #4128c3;
/* rgb */ color: rgb(65, 40, 195);
/* oklch */ color: oklch(42.8% 0.222 278.8);

Tailwind

colors: {
  custom: {
    50: '#8867d7',
    500: '#4128c3',
    950: '#000000',
  },
}

SCSS

$custom: #4128c3;
$custom-light: #8867d7;
$custom-dark: #000000;

JSON

{
  "hex": "#4128c3",
  "rgb": {
    "r": 65,
    "g": 40,
    "b": 195
  },
  "hsl": {
    "h": 249.677,
    "s": 65.957,
    "l": 46.078
  },
  "oklch": {
    "l": 0.42799,
    "c": 0.22154,
    "h": 278.8
  },
  "luminance": 0.06582
}

Semantic roles & 50–950 ramp

primary

#4128C3

secondary

#C0CE79

accent

#E93FCD

background

#F9F6FD

surface

#F1EBFA

border

#CBC6D3

text

#0D0615

muted

#7E7A83

Preview Lab

Preview with #4128C3

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

Preview Lab → · Contrast checker → · Palette generator →