#3157BE#3157BE

#3157BE is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.0% C 0.168 H 265.3°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#3157BE
RGB	rgb(49, 87, 190)
HSL	hsl(224, 59%, 47%)
HSV	hsv(224, 74%, 75%)
CMYK	cmyk(74.2%, 54.2%, 0%, 25.5%)
CIE-LAB	lab(39.89, 22.93, -58.07)
CIE-LCH	lch(39.89, 62.43, 291.55°)
OKLab	oklab(49.01% -0.0137 -0.1673)
OKLCH	oklch(49.01% 0.168 265.3)
XYZ	xyz(13.9658, 11.1855, 50.1282)
Luminance	0.1119 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3157BE #BE9831

analogous

#319EBE #3157BE #5231BE

triadic

#3157BE #BE3157 #57BE31

tetradic

#3157BE #BE319E #BE9831 #31BE52

square

#3157BE #BE319E #BE9831 #31BE52

split-complementary

#3157BE #BE5231 #9EBE31

monochromatic

#182A5D #24418D #3157BE #587AD4 #89A0E1

Accessibility & contrast

On white

6.49

#3157BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#3157BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3157BE

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3157BE	#FFFFFF	#000000	##FFFFFF
##3157BE	1.00	6.49	3.24	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C2

Deuteranopia (green-blind)

#0058BC

Tritanopia (blue-blind)

#007082

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3157be;
/* rgb */ color: rgb(49, 87, 190);
/* oklch */ color: oklch(49.0% 0.168 265.3);

Tailwind

colors: {
  custom: {
    50: '#7d85d2',
    500: '#3157be',
    950: '#000000',
  },
}

SCSS

$custom: #3157be;
$custom-light: #7d85d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3157be",
  "rgb": {
    "r": 49,
    "g": 87,
    "b": 190
  },
  "hsl": {
    "h": 223.83,
    "s": 58.996,
    "l": 46.863
  },
  "oklch": {
    "l": 0.49011,
    "c": 0.16784,
    "h": 265.3
  },
  "luminance": 0.11187
}

Semantic roles & 50–950 ramp

primary

#3157BE

secondary

#CAB680

accent

#B846E2

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3157BE

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

Preview Lab → · Contrast checker → · Palette generator →