#315EB2#315EB2

#315EB2 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.6% C 0.143 H 261.6°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#315EB2
RGB	rgb(49, 94, 178)
HSL	hsl(219, 57%, 45%)
HSV	hsv(219, 72%, 70%)
CMYK	cmyk(72.5%, 47.2%, 0%, 30.2%)
CIE-LAB	lab(41.01, 13.86, -49.23)
CIE-LCH	lch(41.01, 51.15, 285.72°)
OKLab	oklab(49.6% -0.021 -0.1412)
OKLCH	oklch(49.6% 0.143 261.6)
XYZ	xyz(13.3023, 11.8713, 43.7012)
Luminance	0.1187 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315EB2 #B28531

analogous

#319FB2 #315EB2 #4531B2

triadic

#315EB2 #B2315E #5EB231

tetradic

#315EB2 #B2319F #B28531 #31B245

square

#315EB2 #B2319F #B28531 #31B245

split-complementary

#315EB2 #B24531 #9FB231

monochromatic

#172B52 #244582 #315EB2 #517DCF #81A1DC

Accessibility & contrast

On white

6.22

#315EB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#315EB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315EB2

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315EB2	#FFFFFF	#000000	##FFFFFF
##315EB2	1.00	6.22	3.37	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3167B5

Deuteranopia (green-blind)

#125BB0

Tritanopia (blue-blind)

#00727F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #315eb2;
/* rgb */ color: rgb(49, 94, 178);
/* oklch */ color: oklch(49.6% 0.143 261.6);

Tailwind

colors: {
  custom: {
    50: '#7a8bc9',
    500: '#315eb2',
    950: '#000000',
  },
}

SCSS

$custom: #315eb2;
$custom-light: #7a8bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#315eb2",
  "rgb": {
    "r": 49,
    "g": 94,
    "b": 178
  },
  "hsl": {
    "h": 219.07,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.49602,
    "c": 0.14271,
    "h": 261.6
  },
  "luminance": 0.11873
}

Semantic roles & 50–950 ramp

primary

#315EB2

secondary

#C5AB79

accent

#AB48E0

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #315EB2

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

Preview Lab → · Contrast checker → · Palette generator →