#3158B5#3158B5

#3158B5 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.5% C 0.154 H 264.3°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#3158B5
RGB	rgb(49, 88, 181)
HSL	hsl(222, 57%, 45%)
HSV	hsv(222, 73%, 71%)
CMYK	cmyk(72.9%, 51.4%, 0%, 29%)
CIE-LAB	lab(39.53, 18.90, -53.39)
CIE-LCH	lch(39.53, 56.64, 289.50°)
OKLab	oklab(48.53% -0.0154 -0.1535)
OKLCH	oklch(48.53% 0.154 264.3)
XYZ	xyz(13.0939, 10.9672, 45.1339)
Luminance	0.1097 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3158B5 #B58E31

analogous

#319AB5 #3158B5 #4C31B5

triadic

#3158B5 #B53158 #58B531

tetradic

#3158B5 #B5319A #B58E31 #31B54C

square

#3158B5 #B5319A #B58E31 #31B54C

split-complementary

#3158B5 #B54C31 #9AB531

monochromatic

#172955 #244185 #3158B5 #5378D0 #839EDD

Accessibility & contrast

On white

6.58

#3158B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#3158B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3158B5

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3158B5	#FFFFFF	#000000	##FFFFFF
##3158B5	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E63B8

Deuteranopia (green-blind)

#0057B3

Tritanopia (blue-blind)

#006E7E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3158b5;
/* rgb */ color: rgb(49, 88, 181);
/* oklch */ color: oklch(48.5% 0.154 264.3);

Tailwind

colors: {
  custom: {
    50: '#7b86cc',
    500: '#3158b5',
    950: '#000000',
  },
}

SCSS

$custom: #3158b5;
$custom-light: #7b86cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3158b5",
  "rgb": {
    "r": 49,
    "g": 88,
    "b": 181
  },
  "hsl": {
    "h": 222.273,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.4853,
    "c": 0.15427,
    "h": 264.3
  },
  "luminance": 0.10969
}

Semantic roles & 50–950 ramp

primary

#3158B5

secondary

#C7B07B

accent

#B347E1

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3158B5

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

Preview Lab → · Contrast checker → · Palette generator →