#4157B2#4157B2

#4157B2 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.9% C 0.146 H 270.0°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#4157B2
RGB	rgb(65, 87, 178)
HSL	hsl(228, 47%, 48%)
HSV	hsv(228, 63%, 70%)
CMYK	cmyk(63.5%, 51.1%, 0%, 30.2%)
CIE-LAB	lab(39.84, 20.98, -51.08)
CIE-LCH	lch(39.84, 55.22, 292.33°)
OKLab	oklab(48.92% 0 -0.1464)
OKLCH	oklch(48.92% 0.146 270)
XYZ	xyz(13.6213, 11.1534, 43.5458)
Luminance	0.1115 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4157B2 #B29C41

analogous

#418FB2 #4157B2 #6441B2

triadic

#4157B2 #B24157 #57B241

tetradic

#4157B2 #B2418F #B29C41 #41B264

square

#4157B2 #B2418F #B29C41 #41B264

split-complementary

#4157B2 #B26441 #8FB241

monochromatic

#202B58 #314185 #4157B2 #687BC8 #95A2D8

Accessibility & contrast

On white

6.50

#4157B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#4157B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4157B2

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4157B2	#FFFFFF	#000000	##FFFFFF
##4157B2	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2363B5

Deuteranopia (green-blind)

#0059B0

Tritanopia (blue-blind)

#006C7C

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4157b2;
/* rgb */ color: rgb(65, 87, 178);
/* oklch */ color: oklch(48.9% 0.146 270.0);

Tailwind

colors: {
  custom: {
    50: '#8186ca',
    500: '#4157b2',
    950: '#000000',
  },
}

SCSS

$custom: #4157b2;
$custom-light: #8186ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4157b2",
  "rgb": {
    "r": 65,
    "g": 87,
    "b": 178
  },
  "hsl": {
    "h": 228.319,
    "s": 46.502,
    "l": 47.647
  },
  "oklch": {
    "l": 0.48917,
    "c": 0.14639,
    "h": 270
  },
  "luminance": 0.11155
}

Semantic roles & 50–950 ramp

primary

#4157B2

secondary

#C4B98B

accent

#BC52D6

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #4157B2

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

Preview Lab → · Contrast checker → · Palette generator →