#4151B9#4151B9

#4151B9 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.3% C 0.164 H 272.2°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#4151B9
RGB	rgb(65, 81, 185)
HSL	hsl(232, 48%, 49%)
HSV	hsv(232, 65%, 73%)
CMYK	cmyk(64.9%, 56.2%, 0%, 27.5%)
CIE-LAB	lab(38.74, 27.32, -56.97)
CIE-LCH	lch(38.74, 63.18, 295.62°)
OKLab	oklab(48.25% 0.0062 -0.1638)
OKLCH	oklch(48.25% 0.164 272.2)
XYZ	xyz(13.8764, 10.5102, 47.1869)
Luminance	0.1051 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4151B9 #B9A941

analogous

#418DB9 #4151B9 #6D41B9

triadic

#4151B9 #B94151 #51B941

tetradic

#4151B9 #B9418D #B9A941 #41B96D

square

#4151B9 #B9418D #B9A941 #41B96D

split-complementary

#4151B9 #B96D41 #8DB941

monochromatic

#21295E #313D8C #4151B9 #6C79CB #99A2DB

Accessibility & contrast

On white

6.77

#4151B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#4151B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4151B9

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4151B9	#FFFFFF	#000000	##FFFFFF
##4151B9	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BD

Deuteranopia (green-blind)

#0056B7

Tritanopia (blue-blind)

#006A7D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4151b9;
/* rgb */ color: rgb(65, 81, 185);
/* oklch */ color: oklch(48.3% 0.164 272.2);

Tailwind

colors: {
  custom: {
    50: '#8381cf',
    500: '#4151b9',
    950: '#000000',
  },
}

SCSS

$custom: #4151b9;
$custom-light: #8381cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4151b9",
  "rgb": {
    "r": 65,
    "g": 81,
    "b": 185
  },
  "hsl": {
    "h": 232,
    "s": 48,
    "l": 49.02
  },
  "oklch": {
    "l": 0.4825,
    "c": 0.1639,
    "h": 272.2
  },
  "luminance": 0.10511
}

Semantic roles & 50–950 ramp

primary

#4151B9

secondary

#C7C08F

accent

#C650D8

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4151B9

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

Preview Lab → · Contrast checker → · Palette generator →