#3153BD#3153BD

#3153BD is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.1% C 0.171 H 266.4°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#3153BD
RGB	rgb(49, 83, 189)
HSL	hsl(225, 59%, 47%)
HSV	hsv(225, 74%, 74%)
CMYK	cmyk(74.1%, 56.1%, 0%, 25.9%)
CIE-LAB	lab(38.75, 25.17, -59.34)
CIE-LCH	lch(38.75, 64.46, 292.99°)
OKLab	oklab(48.13% -0.0107 -0.1711)
OKLCH	oklch(48.13% 0.171 266.4)
XYZ	xyz(13.5420, 10.5121, 49.4496)
Luminance	0.1051 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3153BD #BD9B31

analogous

#3199BD #3153BD #5531BD

triadic

#3153BD #BD3153 #53BD31

tetradic

#3153BD #BD3199 #BD9B31 #31BD55

square

#3153BD #BD3199 #BD9B31 #31BD55

split-complementary

#3153BD #BD5531 #99BD31

monochromatic

#18285C #243E8C #3153BD #5876D4 #889EE0

Accessibility & contrast

On white

6.77

#3153BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#3153BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3153BD

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3153BD	#FFFFFF	#000000	##FFFFFF
##3153BD	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C1

Deuteranopia (green-blind)

#0055BB

Tritanopia (blue-blind)

#006D80

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3153bd;
/* rgb */ color: rgb(49, 83, 189);
/* oklch */ color: oklch(48.1% 0.171 266.4);

Tailwind

colors: {
  custom: {
    50: '#7d82d2',
    500: '#3153bd',
    950: '#000000',
  },
}

SCSS

$custom: #3153bd;
$custom-light: #7d82d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3153bd",
  "rgb": {
    "r": 49,
    "g": 83,
    "b": 189
  },
  "hsl": {
    "h": 225.429,
    "s": 58.824,
    "l": 46.667
  },
  "oklch": {
    "l": 0.48125,
    "c": 0.17142,
    "h": 266.4
  },
  "luminance": 0.10514
}

Semantic roles & 50–950 ramp

primary

#3153BD

secondary

#CAB880

accent

#BC46E2

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3153BD

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

Preview Lab → · Contrast checker → · Palette generator →