#315CA1#315CA1

#315CA1 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.0% C 0.121 H 259.5°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#315CA1
RGB	rgb(49, 92, 161)
HSL	hsl(217, 53%, 41%)
HSV	hsv(217, 70%, 63%)
CMYK	cmyk(69.6%, 42.9%, 0%, 36.9%)
CIE-LAB	lab(39.38, 8.78, -41.79)
CIE-LCH	lch(39.38, 42.71, 281.87°)
OKLab	oklab(48% -0.0222 -0.1193)
OKLCH	oklch(48% 0.121 259.5)
XYZ	xyz(11.5245, 10.8793, 35.2039)
Luminance	0.1088 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315CA1 #A17631

analogous

#3194A1 #315CA1 #3E31A1

triadic

#315CA1 #A1315C #5CA131

tetradic

#315CA1 #A13194 #A17631 #31A13E

square

#315CA1 #A13194 #A17631 #31A13E

split-complementary

#315CA1 #A13E31 #94A131

monochromatic

#142643 #234172 #315CA1 #4879C7 #779BD6

Accessibility & contrast

On white

6.61

#315CA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#315CA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315CA1

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315CA1	#FFFFFF	#000000	##FFFFFF
##315CA1	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B62A4

Deuteranopia (green-blind)

#2958A0

Tritanopia (blue-blind)

#006C76

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #315ca1;
/* rgb */ color: rgb(49, 92, 161);
/* oklch */ color: oklch(48.0% 0.121 259.5);

Tailwind

colors: {
  custom: {
    50: '#7689bd',
    500: '#315ca1',
    950: '#000000',
  },
}

SCSS

$custom: #315ca1;
$custom-light: #7689bd;
$custom-dark: #000000;

JSON

{
  "hex": "#315ca1",
  "rgb": {
    "r": 49,
    "g": 92,
    "b": 161
  },
  "hsl": {
    "h": 216.964,
    "s": 53.333,
    "l": 41.176
  },
  "oklch": {
    "l": 0.48002,
    "c": 0.12137,
    "h": 259.5
  },
  "luminance": 0.1088
}

Semantic roles & 50–950 ramp

primary

#315CA1

secondary

#BEA070

accent

#A54BDD

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #315CA1

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

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