#3158B4#3158B4

#3158B4 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.5% C 0.153 H 264.2°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#3158B4
RGB	rgb(49, 88, 180)
HSL	hsl(222, 57%, 45%)
HSV	hsv(222, 73%, 71%)
CMYK	cmyk(72.8%, 51.1%, 0%, 29.4%)
CIE-LAB	lab(39.46, 18.53, -52.91)
CIE-LCH	lch(39.46, 56.06, 289.30°)
OKLab	oklab(48.46% -0.0155 -0.1521)
OKLCH	oklch(48.46% 0.153 264.2)
XYZ	xyz(12.9917, 10.9263, 44.5955)
Luminance	0.1093 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3158B4 #B48D31

analogous

#319AB4 #3158B4 #4B31B4

triadic

#3158B4 #B43158 #58B431

tetradic

#3158B4 #B4319A #B48D31 #31B44B

square

#3158B4 #B4319A #B48D31 #31B44B

split-complementary

#3158B4 #B44B31 #9AB431

monochromatic

#172954 #244084 #3158B4 #5278D0 #829DDD

Accessibility & contrast

On white

6.59

#3158B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#3158B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3158B4

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3158B4	#FFFFFF	#000000	##FFFFFF
##3158B4	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F63B7

Deuteranopia (green-blind)

#0057B2

Tritanopia (blue-blind)

#006E7D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3158b4;
/* rgb */ color: rgb(49, 88, 180);
/* oklch */ color: oklch(48.5% 0.153 264.2);

Tailwind

colors: {
  custom: {
    50: '#7a86cb',
    500: '#3158b4',
    950: '#000000',
  },
}

SCSS

$custom: #3158b4;
$custom-light: #7a86cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3158b4",
  "rgb": {
    "r": 49,
    "g": 88,
    "b": 180
  },
  "hsl": {
    "h": 222.137,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.48456,
    "c": 0.15287,
    "h": 264.2
  },
  "luminance": 0.10928
}

Semantic roles & 50–950 ramp

primary

#3158B4

secondary

#C6B07B

accent

#B347E0

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3158B4

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

Preview Lab → · Contrast checker → · Palette generator →