#315FB2#315FB2

#315FB2 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 49.8% C 0.141 H 261.1°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#315FB2
RGB	rgb(49, 95, 178)
HSL	hsl(219, 57%, 45%)
HSV	hsv(219, 72%, 70%)
CMYK	cmyk(72.5%, 46.6%, 0%, 30.2%)
CIE-LAB	lab(41.30, 13.21, -48.78)
CIE-LCH	lch(41.30, 50.53, 285.16°)
OKLab	oklab(49.82% -0.0219 -0.1398)
OKLCH	oklch(49.82% 0.142 261.1)
XYZ	xyz(13.3918, 12.0503, 43.7310)
Luminance	0.1205 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315FB2 #B28431

analogous

#319FB2 #315FB2 #4431B2

triadic

#315FB2 #B2315F #5FB231

tetradic

#315FB2 #B2319F #B28431 #31B244

square

#315FB2 #B2319F #B28431 #31B244

split-complementary

#315FB2 #B24431 #9FB231

monochromatic

#172C52 #244582 #315FB2 #517ECF #81A2DC

Accessibility & contrast

On white

6.16

#315FB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#315FB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315FB2

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315FB2	#FFFFFF	#000000	##FFFFFF
##315FB2	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3468B5

Deuteranopia (green-blind)

#165CB0

Tritanopia (blue-blind)

#007280

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #315fb2;
/* rgb */ color: rgb(49, 95, 178);
/* oklch */ color: oklch(49.8% 0.141 261.1);

Tailwind

colors: {
  custom: {
    50: '#7a8bc9',
    500: '#315fb2',
    950: '#000000',
  },
}

SCSS

$custom: #315fb2;
$custom-light: #7a8bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#315fb2",
  "rgb": {
    "r": 49,
    "g": 95,
    "b": 178
  },
  "hsl": {
    "h": 218.605,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.49821,
    "c": 0.1415,
    "h": 261.1
  },
  "luminance": 0.12052
}

Semantic roles & 50–950 ramp

primary

#315FB2

secondary

#C5AA79

accent

#AA48E0

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #315FB2

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

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