#3153B8#3153B8

#3153B8 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.7% C 0.165 H 266.2°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#3153B8
RGB	rgb(49, 83, 184)
HSL	hsl(225, 58%, 46%)
HSV	hsv(225, 73%, 72%)
CMYK	cmyk(73.4%, 54.9%, 0%, 27.8%)
CIE-LAB	lab(38.37, 23.30, -57.02)
CIE-LCH	lch(38.37, 61.60, 292.23°)
OKLab	oklab(47.73% -0.011 -0.1642)
OKLCH	oklch(47.73% 0.165 266.2)
XYZ	xyz(13.0086, 10.2988, 46.6404)
Luminance	0.1030 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3153B8 #B89631

analogous

#3196B8 #3153B8 #5231B8

triadic

#3153B8 #B83153 #53B831

tetradic

#3153B8 #B83196 #B89631 #31B852

square

#3153B8 #B83196 #B89631 #31B852

split-complementary

#3153B8 #B85231 #96B831

monochromatic

#172757 #243D88 #3153B8 #5574D2 #859BDE

Accessibility & contrast

On white

6.86

#3153B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#3153B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3153B8

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3153B8	#FFFFFF	#000000	##FFFFFF
##3153B8	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BC

Deuteranopia (green-blind)

#0054B6

Tritanopia (blue-blind)

#006C7D

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3153b8;
/* rgb */ color: rgb(49, 83, 184);
/* oklch */ color: oklch(47.7% 0.165 266.2);

Tailwind

colors: {
  custom: {
    50: '#7b82ce',
    500: '#3153b8',
    950: '#000000',
  },
}

SCSS

$custom: #3153b8;
$custom-light: #7b82ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3153b8",
  "rgb": {
    "r": 49,
    "g": 83,
    "b": 184
  },
  "hsl": {
    "h": 224.889,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.47726,
    "c": 0.16462,
    "h": 266.2
  },
  "luminance": 0.103
}

Semantic roles & 50–950 ramp

primary

#3153B8

secondary

#C8B57D

accent

#BA47E1

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3153B8

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

Preview Lab → · Contrast checker → · Palette generator →