#3153BC#3153BC

#3153BC is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.0% C 0.170 H 266.4°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#3153BC
RGB	rgb(49, 83, 188)
HSL	hsl(225, 59%, 46%)
HSV	hsv(225, 74%, 74%)
CMYK	cmyk(73.9%, 55.9%, 0%, 26.3%)
CIE-LAB	lab(38.67, 24.80, -58.88)
CIE-LCH	lch(38.67, 63.89, 292.84°)
OKLab	oklab(48.04% -0.0107 -0.1697)
OKLCH	oklch(48.04% 0.17 266.4)
XYZ	xyz(13.4338, 10.4689, 48.8799)
Luminance	0.1047 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3153BC #BC9A31

analogous

#3199BC #3153BC #5531BC

triadic

#3153BC #BC3153 #53BC31

tetradic

#3153BC #BC3199 #BC9A31 #31BC55

square

#3153BC #BC3199 #BC9A31 #31BC55

split-complementary

#3153BC #BC5531 #99BC31

monochromatic

#18285B #243E8B #3153BC #5775D3 #889DE0

Accessibility & contrast

On white

6.79

#3153BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#3153BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3153BC

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3153BC	#FFFFFF	#000000	##FFFFFF
##3153BC	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C0

Deuteranopia (green-blind)

#0055BA

Tritanopia (blue-blind)

#006D7F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3153bc;
/* rgb */ color: rgb(49, 83, 188);
/* oklch */ color: oklch(48.0% 0.170 266.4);

Tailwind

colors: {
  custom: {
    50: '#7c82d1',
    500: '#3153bc',
    950: '#000000',
  },
}

SCSS

$custom: #3153bc;
$custom-light: #7c82d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3153bc",
  "rgb": {
    "r": 49,
    "g": 83,
    "b": 188
  },
  "hsl": {
    "h": 225.324,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.48044,
    "c": 0.17007,
    "h": 266.4
  },
  "luminance": 0.1047
}

Semantic roles & 50–950 ramp

primary

#3153BC

secondary

#CAB77F

accent

#BC46E2

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3153BC

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

Preview Lab → · Contrast checker → · Palette generator →