#3158B2#3158B2

#3158B2 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.3% C 0.150 H 264.0°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#3158B2
RGB	rgb(49, 88, 178)
HSL	hsl(222, 57%, 45%)
HSV	hsv(222, 72%, 70%)
CMYK	cmyk(72.5%, 50.6%, 0%, 30.2%)
CIE-LAB	lab(39.32, 17.77, -51.96)
CIE-LCH	lch(39.32, 54.91, 288.88°)
OKLab	oklab(48.31% -0.0157 -0.1493)
OKLCH	oklch(48.31% 0.15 264)
XYZ	xyz(12.7894, 10.8454, 43.5302)
Luminance	0.1085 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3158B2 #B28B31

analogous

#3199B2 #3158B2 #4A31B2

triadic

#3158B2 #B23158 #58B231

tetradic

#3158B2 #B23199 #B28B31 #31B24A

square

#3158B2 #B23199 #B28B31 #31B24A

split-complementary

#3158B2 #B24A31 #99B231

monochromatic

#172952 #244082 #3158B2 #5177CF #819DDC

Accessibility & contrast

On white

6.63

#3158B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#3158B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3158B2

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3158B2	#FFFFFF	#000000	##FFFFFF
##3158B2	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2263B5

Deuteranopia (green-blind)

#0057B0

Tritanopia (blue-blind)

#006D7C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3158b2;
/* rgb */ color: rgb(49, 88, 178);
/* oklch */ color: oklch(48.3% 0.150 264.0);

Tailwind

colors: {
  custom: {
    50: '#7a86ca',
    500: '#3158b2',
    950: '#000000',
  },
}

SCSS

$custom: #3158b2;
$custom-light: #7a86ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3158b2",
  "rgb": {
    "r": 49,
    "g": 88,
    "b": 178
  },
  "hsl": {
    "h": 221.86,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.48308,
    "c": 0.1501,
    "h": 264
  },
  "luminance": 0.10847
}

Semantic roles & 50–950 ramp

primary

#3158B2

secondary

#C5AE79

accent

#B248E0

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3158B2

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

Preview Lab → · Contrast checker → · Palette generator →