#3158B3#3158B3

#3158B3 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.4% C 0.151 H 264.1°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#3158B3
RGB	rgb(49, 88, 179)
HSL	hsl(222, 57%, 45%)
HSV	hsv(222, 73%, 70%)
CMYK	cmyk(72.6%, 50.8%, 0%, 29.8%)
CIE-LAB	lab(39.39, 18.15, -52.44)
CIE-LCH	lch(39.39, 55.49, 289.09°)
OKLab	oklab(48.38% -0.0156 -0.1507)
OKLCH	oklch(48.38% 0.151 264.1)
XYZ	xyz(12.8902, 10.8857, 44.0609)
Luminance	0.1089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3158B3 #B38C31

analogous

#3199B3 #3158B3 #4B31B3

triadic

#3158B3 #B33158 #58B331

tetradic

#3158B3 #B33199 #B38C31 #31B34B

square

#3158B3 #B33199 #B38C31 #31B34B

split-complementary

#3158B3 #B34B31 #99B331

monochromatic

#172953 #244083 #3158B3 #5277D0 #829DDD

Accessibility & contrast

On white

6.61

#3158B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#3158B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3158B3

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3158B3	#FFFFFF	#000000	##FFFFFF
##3158B3	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2163B6

Deuteranopia (green-blind)

#0057B1

Tritanopia (blue-blind)

#006E7D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3158b3;
/* rgb */ color: rgb(49, 88, 179);
/* oklch */ color: oklch(48.4% 0.151 264.1);

Tailwind

colors: {
  custom: {
    50: '#7a86ca',
    500: '#3158b3',
    950: '#000000',
  },
}

SCSS

$custom: #3158b3;
$custom-light: #7a86ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3158b3",
  "rgb": {
    "r": 49,
    "g": 88,
    "b": 179
  },
  "hsl": {
    "h": 222,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.48382,
    "c": 0.15149,
    "h": 264.1
  },
  "luminance": 0.10887
}

Semantic roles & 50–950 ramp

primary

#3158B3

secondary

#C6AF7A

accent

#B248E0

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3158B3

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

Preview Lab → · Contrast checker → · Palette generator →