#3158B8#3158B8

#3158B8 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.8% C 0.158 H 264.6°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#3158B8
RGB	rgb(49, 88, 184)
HSL	hsl(223, 58%, 46%)
HSV	hsv(223, 73%, 72%)
CMYK	cmyk(73.4%, 52.2%, 0%, 27.8%)
CIE-LAB	lab(39.73, 20.03, -54.81)
CIE-LCH	lch(39.73, 58.36, 290.07°)
OKLab	oklab(48.76% -0.015 -0.1577)
OKLCH	oklch(48.76% 0.158 264.6)
XYZ	xyz(13.4050, 11.0917, 46.7725)
Luminance	0.1109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3158B8 #B89131

analogous

#319BB8 #3158B8 #4E31B8

triadic

#3158B8 #B83158 #58B831

tetradic

#3158B8 #B8319B #B89131 #31B84E

square

#3158B8 #B8319B #B89131 #31B84E

split-complementary

#3158B8 #B84E31 #9BB831

monochromatic

#172A57 #244188 #3158B8 #5579D2 #859FDE

Accessibility & contrast

On white

6.52

#3158B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#3158B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3158B8

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3158B8	#FFFFFF	#000000	##FFFFFF
##3158B8	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1864BB

Deuteranopia (green-blind)

#0058B6

Tritanopia (blue-blind)

#006F7F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3158b8;
/* rgb */ color: rgb(49, 88, 184);
/* oklch */ color: oklch(48.8% 0.158 264.6);

Tailwind

colors: {
  custom: {
    50: '#7b86ce',
    500: '#3158b8',
    950: '#000000',
  },
}

SCSS

$custom: #3158b8;
$custom-light: #7b86ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3158b8",
  "rgb": {
    "r": 49,
    "g": 88,
    "b": 184
  },
  "hsl": {
    "h": 222.667,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.48756,
    "c": 0.15839,
    "h": 264.6
  },
  "luminance": 0.11093
}

Semantic roles & 50–950 ramp

primary

#3158B8

secondary

#C8B27D

accent

#B547E1

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3158B8

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

Preview Lab → · Contrast checker → · Palette generator →