#4157D7#4157D7

#4157D7 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.8% C 0.197 H 270.5°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#4157D7
RGB	rgb(65, 87, 215)
HSL	hsl(231, 65%, 55%)
HSV	hsv(231, 70%, 84%)
CMYK	cmyk(69.8%, 59.5%, 0%, 15.7%)
CIE-LAB	lab(42.53, 34.05, -68.19)
CIE-LCH	lch(42.53, 76.22, 296.54°)
OKLab	oklab(51.78% 0.0016 -0.1967)
OKLCH	oklch(51.78% 0.197 270.5)
XYZ	xyz(17.8497, 12.8447, 65.8154)
Luminance	0.1285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4157D7 #D7C141

analogous

#41A2D7 #4157D7 #7641D7

triadic

#4157D7 #D74157 #57D741

tetradic

#4157D7 #D741A2 #D7C141 #41D776

square

#4157D7 #D741A2 #D7C141 #41D776

split-complementary

#4157D7 #D77641 #A2D741

monochromatic

#1B2A82 #263BB5 #4157D7 #7484E2 #A6B0EC

Accessibility & contrast

On white

5.88

#4157D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#4157D7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4157D7

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4157D7	#FFFFFF	#000000	##FFFFFF
##4157D7	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BDB

Deuteranopia (green-blind)

#005ED4

Tritanopia (blue-blind)

#00778F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4157d7;
/* rgb */ color: rgb(65, 87, 215);
/* oklch */ color: oklch(51.8% 0.197 270.5);

Tailwind

colors: {
  custom: {
    50: '#8886e4',
    500: '#4157d7',
    950: '#000000',
  },
}

SCSS

$custom: #4157d7;
$custom-light: #8886e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4157d7",
  "rgb": {
    "r": 65,
    "g": 87,
    "b": 215
  },
  "hsl": {
    "h": 231.2,
    "s": 65.217,
    "l": 54.902
  },
  "oklch": {
    "l": 0.51783,
    "c": 0.19672,
    "h": 270.5
  },
  "luminance": 0.12847
}

Semantic roles & 50–950 ramp

primary

#4157D7

secondary

#D9D09A

accent

#CF40E8

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #4157D7

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

Preview Lab → · Contrast checker → · Palette generator →