#3158BC#3158BC

#3158BC is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.1% C 0.164 H 264.9°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#3158BC
RGB	rgb(49, 88, 188)
HSL	hsl(223, 59%, 46%)
HSV	hsv(223, 74%, 74%)
CMYK	cmyk(73.9%, 53.2%, 0%, 26.3%)
CIE-LAB	lab(40.02, 21.53, -56.69)
CIE-LCH	lch(40.02, 60.64, 290.79°)
OKLab	oklab(49.06% -0.0146 -0.1632)
OKLCH	oklch(49.06% 0.164 264.9)
XYZ	xyz(13.8302, 11.2618, 49.0121)
Luminance	0.1126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3158BC #BC9531

analogous

#319EBC #3158BC #4F31BC

triadic

#3158BC #BC3158 #58BC31

tetradic

#3158BC #BC319E #BC9531 #31BC4F

square

#3158BC #BC319E #BC9531 #31BC4F

split-complementary

#3158BC #BC4F31 #9EBC31

monochromatic

#182B5B #24418B #3158BC #577AD3 #88A0E0

Accessibility & contrast

On white

6.46

#3158BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#3158BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3158BC

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3158BC	#FFFFFF	#000000	##FFFFFF
##3158BC	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E65C0

Deuteranopia (green-blind)

#0058BA

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3158bc;
/* rgb */ color: rgb(49, 88, 188);
/* oklch */ color: oklch(49.1% 0.164 264.9);

Tailwind

colors: {
  custom: {
    50: '#7c86d1',
    500: '#3158bc',
    950: '#000000',
  },
}

SCSS

$custom: #3158bc;
$custom-light: #7c86d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3158bc",
  "rgb": {
    "r": 49,
    "g": 88,
    "b": 188
  },
  "hsl": {
    "h": 223.165,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.49061,
    "c": 0.16388,
    "h": 264.9
  },
  "luminance": 0.11263
}

Semantic roles & 50–950 ramp

primary

#3158BC

secondary

#CAB57F

accent

#B646E2

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3158BC

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

Preview Lab → · Contrast checker → · Palette generator →