#3158B1#3158B1

#3158B1 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.2% C 0.149 H 263.9°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#3158B1
RGB	rgb(49, 88, 177)
HSL	hsl(222, 57%, 44%)
HSV	hsv(222, 72%, 69%)
CMYK	cmyk(72.3%, 50.3%, 0%, 30.6%)
CIE-LAB	lab(39.25, 17.40, -51.48)
CIE-LCH	lch(39.25, 54.34, 288.67°)
OKLab	oklab(48.23% -0.0158 -0.1479)
OKLCH	oklch(48.23% 0.149 263.9)
XYZ	xyz(12.6894, 10.8054, 43.0033)
Luminance	0.1081 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3158B1 #B18A31

analogous

#3198B1 #3158B1 #4A31B1

triadic

#3158B1 #B13158 #58B131

tetradic

#3158B1 #B13198 #B18A31 #31B14A

square

#3158B1 #B13198 #B18A31 #31B14A

split-complementary

#3158B1 #B14A31 #98B131

monochromatic

#162851 #244081 #3158B1 #5177CF #809CDC

Accessibility & contrast

On white

6.64

#3158B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#3158B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3158B1

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3158B1	#FFFFFF	#000000	##FFFFFF
##3158B1	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2463B4

Deuteranopia (green-blind)

#0057AF

Tritanopia (blue-blind)

#006D7C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3158b1;
/* rgb */ color: rgb(49, 88, 177);
/* oklch */ color: oklch(48.2% 0.149 263.9);

Tailwind

colors: {
  custom: {
    50: '#7a86c9',
    500: '#3158b1',
    950: '#000000',
  },
}

SCSS

$custom: #3158b1;
$custom-light: #7a86c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3158b1",
  "rgb": {
    "r": 49,
    "g": 88,
    "b": 177
  },
  "hsl": {
    "h": 221.719,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.48234,
    "c": 0.14871,
    "h": 263.9
  },
  "luminance": 0.10807
}

Semantic roles & 50–950 ramp

primary

#3158B1

secondary

#C5AE79

accent

#B248E0

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3158B1

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

Preview Lab → · Contrast checker → · Palette generator →