#4154AB#4154AB

#4154AB is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.8% C 0.140 H 271.0°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#4154AB
RGB	rgb(65, 84, 171)
HSL	hsl(229, 45%, 46%)
HSV	hsv(229, 62%, 67%)
CMYK	cmyk(62%, 50.9%, 0%, 32.9%)
CIE-LAB	lab(38.56, 20.45, -49.01)
CIE-LCH	lch(38.56, 53.10, 292.65°)
OKLab	oklab(47.8% 0.0023 -0.1403)
OKLCH	oklch(47.8% 0.14 271)
XYZ	xyz(12.6985, 10.4037, 39.8591)
Luminance	0.1041 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4154AB #AB9841

analogous

#4189AB #4154AB #6341AB

triadic

#4154AB #AB4154 #54AB41

tetradic

#4154AB #AB4189 #AB9841 #41AB63

square

#4154AB #AB4189 #AB9841 #41AB63

split-complementary

#4154AB #AB6341 #89AB41

monochromatic

#1F2852 #303E7F #4154AB #6576C4 #919DD5

Accessibility & contrast

On white

6.82

#4154AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#4154AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4154AB

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4154AB	#FFFFFF	#000000	##FFFFFF
##4154AB	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2460AE

Deuteranopia (green-blind)

#0956A9

Tritanopia (blue-blind)

#006877

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4154ab;
/* rgb */ color: rgb(65, 84, 171);
/* oklch */ color: oklch(47.8% 0.140 271.0);

Tailwind

colors: {
  custom: {
    50: '#8083c5',
    500: '#4154ab',
    950: '#000000',
  },
}

SCSS

$custom: #4154ab;
$custom-light: #8083c5;
$custom-dark: #000000;

JSON

{
  "hex": "#4154ab",
  "rgb": {
    "r": 65,
    "g": 84,
    "b": 171
  },
  "hsl": {
    "h": 229.245,
    "s": 44.915,
    "l": 46.275
  },
  "oklch": {
    "l": 0.47798,
    "c": 0.14035,
    "h": 271
  },
  "luminance": 0.10405
}

Semantic roles & 50–950 ramp

primary

#4154AB

secondary

#C1B687

accent

#BD53D5

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4154AB

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

Preview Lab → · Contrast checker → · Palette generator →