#4159B2#4159B2

#4159B2 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.3% C 0.144 H 269.2°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#4159B2
RGB	rgb(65, 89, 178)
HSL	hsl(227, 47%, 48%)
HSV	hsv(227, 63%, 70%)
CMYK	cmyk(63.5%, 50%, 0%, 30.2%)
CIE-LAB	lab(40.38, 19.68, -50.21)
CIE-LCH	lch(40.38, 53.93, 291.41°)
OKLab	oklab(49.33% -0.002 -0.1438)
OKLCH	oklch(49.33% 0.144 269.2)
XYZ	xyz(13.7855, 11.4817, 43.6006)
Luminance	0.1148 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4159B2 #B29A41

analogous

#4191B2 #4159B2 #6241B2

triadic

#4159B2 #B24159 #59B241

tetradic

#4159B2 #B24191 #B29A41 #41B262

square

#4159B2 #B24191 #B29A41 #41B262

split-complementary

#4159B2 #B26241 #91B241

monochromatic

#202C58 #314385 #4159B2 #687DC8 #95A3D8

Accessibility & contrast

On white

6.37

#4159B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#4159B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4159B2

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4159B2	#FFFFFF	#000000	##FFFFFF
##4159B2	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2964B5

Deuteranopia (green-blind)

#0D5AB0

Tritanopia (blue-blind)

#006E7D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4159b2;
/* rgb */ color: rgb(65, 89, 178);
/* oklch */ color: oklch(49.3% 0.144 269.2);

Tailwind

colors: {
  custom: {
    50: '#8187ca',
    500: '#4159b2',
    950: '#000000',
  },
}

SCSS

$custom: #4159b2;
$custom-light: #8187ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4159b2",
  "rgb": {
    "r": 65,
    "g": 89,
    "b": 178
  },
  "hsl": {
    "h": 227.257,
    "s": 46.502,
    "l": 47.647
  },
  "oklch": {
    "l": 0.49328,
    "c": 0.1438,
    "h": 269.2
  },
  "luminance": 0.11483
}

Semantic roles & 50–950 ramp

primary

#4159B2

secondary

#C4B88B

accent

#BA52D6

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #4159B2

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

Preview Lab → · Contrast checker → · Palette generator →