#4158B0#4158B0

#4158B0 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.0% C 0.142 H 269.5°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#4158B0
RGB	rgb(65, 88, 176)
HSL	hsl(228, 46%, 47%)
HSV	hsv(228, 63%, 69%)
CMYK	cmyk(63.1%, 50%, 0%, 31%)
CIE-LAB	lab(39.98, 19.62, -49.68)
CIE-LCH	lch(39.98, 53.41, 291.55°)
OKLab	oklab(48.98% -0.0012 -0.1422)
OKLCH	oklch(48.98% 0.142 269.5)
XYZ	xyz(13.5035, 11.2367, 42.5232)
Luminance	0.1124 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4158B0 #B09941

analogous

#418FB0 #4158B0 #6241B0

triadic

#4158B0 #B04158 #58B041

tetradic

#4158B0 #B0418F #B09941 #41B062

square

#4158B0 #B0418F #B09941 #41B062

split-complementary

#4158B0 #B06241 #8FB041

monochromatic

#202B57 #304283 #4158B0 #677BC7 #94A2D7

Accessibility & contrast

On white

6.47

#4158B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#4158B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4158B0

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4158B0	#FFFFFF	#000000	##FFFFFF
##4158B0	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2963B3

Deuteranopia (green-blind)

#0E59AE

Tritanopia (blue-blind)

#006C7B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4158b0;
/* rgb */ color: rgb(65, 88, 176);
/* oklch */ color: oklch(49.0% 0.142 269.5);

Tailwind

colors: {
  custom: {
    50: '#8186c8',
    500: '#4158b0',
    950: '#000000',
  },
}

SCSS

$custom: #4158b0;
$custom-light: #8186c8;
$custom-dark: #000000;

JSON

{
  "hex": "#4158b0",
  "rgb": {
    "r": 65,
    "g": 88,
    "b": 176
  },
  "hsl": {
    "h": 227.568,
    "s": 46.058,
    "l": 47.255
  },
  "oklch": {
    "l": 0.4898,
    "c": 0.14225,
    "h": 269.5
  },
  "luminance": 0.11238
}

Semantic roles & 50–950 ramp

primary

#4158B0

secondary

#C3B78A

accent

#BA52D6

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #4158B0

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

Preview Lab → · Contrast checker → · Palette generator →