#3158B9#3158B9

#3158B9 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.8% C 0.160 H 264.6°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#3158B9
RGB	rgb(49, 88, 185)
HSL	hsl(223, 58%, 46%)
HSV	hsv(223, 74%, 73%)
CMYK	cmyk(73.5%, 52.4%, 0%, 27.5%)
CIE-LAB	lab(39.80, 20.40, -55.28)
CIE-LCH	lch(39.80, 58.93, 290.26°)
OKLab	oklab(48.83% -0.0149 -0.1591)
OKLCH	oklch(48.83% 0.16 264.6)
XYZ	xyz(13.5102, 11.1337, 47.3265)
Luminance	0.1114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3158B9 #B99231

analogous

#319CB9 #3158B9 #4E31B9

triadic

#3158B9 #B93158 #58B931

tetradic

#3158B9 #B9319C #B99231 #31B94E

square

#3158B9 #B9319C #B99231 #31B94E

split-complementary

#3158B9 #B94E31 #9CB931

monochromatic

#172A58 #244189 #3158B9 #5579D2 #869FDF

Accessibility & contrast

On white

6.51

#3158B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#3158B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3158B9

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3158B9	#FFFFFF	#000000	##FFFFFF
##3158B9	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1664BC

Deuteranopia (green-blind)

#0058B7

Tritanopia (blue-blind)

#006F80

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3158b9;
/* rgb */ color: rgb(49, 88, 185);
/* oklch */ color: oklch(48.8% 0.160 264.6);

Tailwind

colors: {
  custom: {
    50: '#7b86cf',
    500: '#3158b9',
    950: '#000000',
  },
}

SCSS

$custom: #3158b9;
$custom-light: #7b86cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3158b9",
  "rgb": {
    "r": 49,
    "g": 88,
    "b": 185
  },
  "hsl": {
    "h": 222.794,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.48832,
    "c": 0.15977,
    "h": 264.6
  },
  "luminance": 0.11135
}

Semantic roles & 50–950 ramp

primary

#3158B9

secondary

#C8B37D

accent

#B546E1

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3158B9

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

Preview Lab → · Contrast checker → · Palette generator →