#315BB2#315BB2

#315BB2 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 48.9% C 0.146 H 262.8°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#315BB2
RGB	rgb(49, 91, 178)
HSL	hsl(220, 57%, 45%)
HSV	hsv(220, 72%, 70%)
CMYK	cmyk(72.5%, 48.9%, 0%, 30.2%)
CIE-LAB	lab(40.16, 15.81, -50.60)
CIE-LCH	lch(40.16, 53.01, 287.35°)
OKLab	oklab(48.95% -0.0183 -0.1452)
OKLCH	oklch(48.95% 0.146 262.8)
XYZ	xyz(13.0407, 11.3481, 43.6140)
Luminance	0.1135 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315BB2 #B28831

analogous

#319CB2 #315BB2 #4831B2

triadic

#315BB2 #B2315B #5BB231

tetradic

#315BB2 #B2319C #B28831 #31B248

square

#315BB2 #B2319C #B28831 #31B248

split-complementary

#315BB2 #B24831 #9CB231

monochromatic

#172A52 #244282 #315BB2 #517ACF #819FDC

Accessibility & contrast

On white

6.42

#315BB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#315BB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315BB2

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315BB2	#FFFFFF	#000000	##FFFFFF
##315BB2	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A65B5

Deuteranopia (green-blind)

#0059B0

Tritanopia (blue-blind)

#00707E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #315bb2;
/* rgb */ color: rgb(49, 91, 178);
/* oklch */ color: oklch(48.9% 0.146 262.8);

Tailwind

colors: {
  custom: {
    50: '#7a88ca',
    500: '#315bb2',
    950: '#000000',
  },
}

SCSS

$custom: #315bb2;
$custom-light: #7a88ca;
$custom-dark: #000000;

JSON

{
  "hex": "#315bb2",
  "rgb": {
    "r": 49,
    "g": 91,
    "b": 178
  },
  "hsl": {
    "h": 220.465,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.4895,
    "c": 0.14639,
    "h": 262.8
  },
  "luminance": 0.11349
}

Semantic roles & 50–950 ramp

primary

#315BB2

secondary

#C5AD79

accent

#AE48E0

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #315BB2

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

Preview Lab → · Contrast checker → · Palette generator →