#4158D8#4158D8

#4158D8 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 52.0% C 0.197 H 270.3°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#4158D8
RGB	rgb(65, 88, 216)
HSL	hsl(231, 66%, 55%)
HSV	hsv(231, 70%, 85%)
CMYK	cmyk(69.9%, 59.3%, 0%, 15.3%)
CIE-LAB	lab(42.85, 33.78, -68.24)
CIE-LCH	lch(42.85, 76.14, 296.34°)
OKLab	oklab(52.05% 0.0009 -0.1968)
OKLCH	oklch(52.05% 0.197 270.3)
XYZ	xyz(18.0601, 13.0593, 66.5214)
Luminance	0.1306 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4158D8 #D8C141

analogous

#41A3D8 #4158D8 #7641D8

triadic

#4158D8 #D84158 #58D841

tetradic

#4158D8 #D841A3 #D8C141 #41D876

square

#4158D8 #D841A3 #D8C141 #41D876

split-complementary

#4158D8 #D87641 #A3D841

monochromatic

#1B2B84 #253CB6 #4158D8 #7485E2 #A7B1ED

Accessibility & contrast

On white

5.81

#4158D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#4158D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4158D8

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4158D8	#FFFFFF	#000000	##FFFFFF
##4158D8	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CDC

Deuteranopia (green-blind)

#005ED5

Tritanopia (blue-blind)

#00788F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4158d8;
/* rgb */ color: rgb(65, 88, 216);
/* oklch */ color: oklch(52.0% 0.197 270.3);

Tailwind

colors: {
  custom: {
    50: '#8887e5',
    500: '#4158d8',
    950: '#000000',
  },
}

SCSS

$custom: #4158d8;
$custom-light: #8887e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4158d8",
  "rgb": {
    "r": 65,
    "g": 88,
    "b": 216
  },
  "hsl": {
    "h": 230.861,
    "s": 65.939,
    "l": 55.098
  },
  "oklch": {
    "l": 0.52048,
    "c": 0.19683,
    "h": 270.3
  },
  "luminance": 0.13061
}

Semantic roles & 50–950 ramp

primary

#4158D8

secondary

#DAD09B

accent

#CF3FE9

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #4158D8

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

Preview Lab → · Contrast checker → · Palette generator →