#4145A4#4145A4

#4145A4 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.3% C 0.150 H 276.5°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#4145A4
RGB	rgb(65, 69, 164)
HSL	hsl(238, 43%, 45%)
HSV	hsv(238, 60%, 64%)
CMYK	cmyk(60.4%, 57.9%, 0%, 35.7%)
CIE-LAB	lab(34.11, 27.74, -52.02)
CIE-LCH	lch(34.11, 58.95, 298.06°)
OKLab	oklab(44.3% 0.0171 -0.1494)
OKLCH	oklch(44.3% 0.15 276.5)
XYZ	xyz(11.0068, 8.0596, 36.0904)
Luminance	0.0806 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4145A4 #A4A041

analogous

#4176A4 #4145A4 #6F41A4

triadic

#4145A4 #A44145 #45A441

tetradic

#4145A4 #A44176 #A4A041 #41A46F

square

#4145A4 #A44176 #A4A041 #41A46F

split-complementary

#4145A4 #A46F41 #76A441

monochromatic

#1E204C #303378 #4145A4 #6265C1 #8D90D2

Accessibility & contrast

On white

8.04

#4145A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#4145A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4145A4

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4145A4	#FFFFFF	#000000	##FFFFFF
##4145A4	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A7

Deuteranopia (green-blind)

#004CA2

Tritanopia (blue-blind)

#005C6D

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4145a4;
/* rgb */ color: rgb(65, 69, 164);
/* oklch */ color: oklch(44.3% 0.150 276.5);

Tailwind

colors: {
  custom: {
    50: '#7f78c0',
    500: '#4145a4',
    950: '#000000',
  },
}

SCSS

$custom: #4145a4;
$custom-light: #7f78c0;
$custom-dark: #000000;

JSON

{
  "hex": "#4145a4",
  "rgb": {
    "r": 65,
    "g": 69,
    "b": 164
  },
  "hsl": {
    "h": 237.576,
    "s": 43.231,
    "l": 44.902
  },
  "oklch": {
    "l": 0.44302,
    "c": 0.15034,
    "h": 276.5
  },
  "luminance": 0.0806
}

Semantic roles & 50–950 ramp

primary

#4145A4

secondary

#BDBB84

accent

#CE55D3

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0B0912

muted

#7C7B81

Preview Lab

Preview with #4145A4

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

Preview Lab → · Contrast checker → · Palette generator →