#4158AB#4158AB

#4158AB is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.6% C 0.135 H 269.2°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#4158AB
RGB	rgb(65, 88, 171)
HSL	hsl(227, 45%, 46%)
HSV	hsv(227, 62%, 67%)
CMYK	cmyk(62%, 48.5%, 0%, 32.9%)
CIE-LAB	lab(39.65, 17.86, -47.25)
CIE-LCH	lch(39.65, 50.51, 290.70°)
OKLab	oklab(48.63% -0.0018 -0.1351)
OKLCH	oklch(48.63% 0.135 269.2)
XYZ	xyz(13.0179, 11.0424, 39.9656)
Luminance	0.1104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4158AB #AB9441

analogous

#418DAB #4158AB #5F41AB

triadic

#4158AB #AB4158 #58AB41

tetradic

#4158AB #AB418D #AB9441 #41AB5F

square

#4158AB #AB418D #AB9441 #41AB5F

split-complementary

#4158AB #AB5F41 #8DAB41

monochromatic

#1F2A52 #30417F #4158AB #657AC4 #91A0D5

Accessibility & contrast

On white

6.54

#4158AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#4158AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4158AB

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4158AB	#FFFFFF	#000000	##FFFFFF
##4158AB	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E62AE

Deuteranopia (green-blind)

#1A59A9

Tritanopia (blue-blind)

#006B79

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4158ab;
/* rgb */ color: rgb(65, 88, 171);
/* oklch */ color: oklch(48.6% 0.135 269.2);

Tailwind

colors: {
  custom: {
    50: '#8086c4',
    500: '#4158ab',
    950: '#000000',
  },
}

SCSS

$custom: #4158ab;
$custom-light: #8086c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4158ab",
  "rgb": {
    "r": 65,
    "g": 88,
    "b": 171
  },
  "hsl": {
    "h": 226.981,
    "s": 44.915,
    "l": 46.275
  },
  "oklch": {
    "l": 0.48629,
    "c": 0.13511,
    "h": 269.2
  },
  "luminance": 0.11044
}

Semantic roles & 50–950 ramp

primary

#4158AB

secondary

#C1B487

accent

#B953D5

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #4158AB

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

Preview Lab → · Contrast checker → · Palette generator →