#4148AB#4148AB

#4148AB is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.4% C 0.156 H 275.2°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#4148AB
RGB	rgb(65, 72, 171)
HSL	hsl(236, 45%, 46%)
HSV	hsv(236, 62%, 67%)
CMYK	cmyk(62%, 57.9%, 0%, 32.9%)
CIE-LAB	lab(35.40, 28.22, -54.12)
CIE-LCH	lch(35.40, 61.03, 297.54°)
OKLab	oklab(45.43% 0.0142 -0.1555)
OKLCH	oklch(45.43% 0.156 275.2)
XYZ	xyz(11.8456, 8.6979, 39.5748)
Luminance	0.0870 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.32

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4148AB #ABA441

analogous

#417DAB #4148AB #6F41AB

triadic

#4148AB #AB4148 #48AB41

tetradic

#4148AB #AB417D #ABA441 #41AB6F

square

#4148AB #AB417D #ABA441 #41AB6F

split-complementary

#4148AB #AB6F41 #7DAB41

monochromatic

#1F2352 #30357F #4148AB #656BC4 #9196D5

Accessibility & contrast

On white

7.66

#4148AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#4148AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4148AB

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4148AB	#FFFFFF	#000000	##FFFFFF
##4148AB	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058AE

Deuteranopia (green-blind)

#004FA9

Tritanopia (blue-blind)

#006072

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4148ab;
/* rgb */ color: rgb(65, 72, 171);
/* oklch */ color: oklch(45.4% 0.156 275.2);

Tailwind

colors: {
  custom: {
    50: '#817bc5',
    500: '#4148ab',
    950: '#000000',
  },
}

SCSS

$custom: #4148ab;
$custom-light: #817bc5;
$custom-dark: #000000;

JSON

{
  "hex": "#4148ab",
  "rgb": {
    "r": 65,
    "g": 72,
    "b": 171
  },
  "hsl": {
    "h": 236.038,
    "s": 44.915,
    "l": 46.275
  },
  "oklch": {
    "l": 0.45426,
    "c": 0.15615,
    "h": 275.2
  },
  "luminance": 0.08699
}

Semantic roles & 50–950 ramp

primary

#4148AB

secondary

#C1BD87

accent

#CC53D5

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #4148AB

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

Preview Lab → · Contrast checker → · Palette generator →