#315BA1#315BA1

#315BA1 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 47.8% C 0.123 H 260.0°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#315BA1
RGB	rgb(49, 91, 161)
HSL	hsl(218, 53%, 41%)
HSV	hsv(218, 70%, 63%)
CMYK	cmyk(69.6%, 43.5%, 0%, 36.9%)
CIE-LAB	lab(39.08, 9.43, -42.26)
CIE-LCH	lch(39.08, 43.30, 282.58°)
OKLab	oklab(47.78% -0.0212 -0.1207)
OKLCH	oklch(47.78% 0.123 260)
XYZ	xyz(11.4384, 10.7072, 35.1752)
Luminance	0.1071 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315BA1 #A17731

analogous

#3193A1 #315BA1 #3F31A1

triadic

#315BA1 #A1315B #5BA131

tetradic

#315BA1 #A13193 #A17731 #31A13F

square

#315BA1 #A13193 #A17731 #31A13F

split-complementary

#315BA1 #A13F31 #93A131

monochromatic

#142643 #234072 #315BA1 #4878C7 #779AD6

Accessibility & contrast

On white

6.68

#315BA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#315BA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315BA1

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315BA1	#FFFFFF	#000000	##FFFFFF
##315BA1	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A62A4

Deuteranopia (green-blind)

#2757A0

Tritanopia (blue-blind)

#006B76

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #315ba1;
/* rgb */ color: rgb(49, 91, 161);
/* oklch */ color: oklch(47.8% 0.123 260.0);

Tailwind

colors: {
  custom: {
    50: '#7688bd',
    500: '#315ba1',
    950: '#000000',
  },
}

SCSS

$custom: #315ba1;
$custom-light: #7688bd;
$custom-dark: #000000;

JSON

{
  "hex": "#315ba1",
  "rgb": {
    "r": 49,
    "g": 91,
    "b": 161
  },
  "hsl": {
    "h": 217.5,
    "s": 53.333,
    "l": 41.176
  },
  "oklch": {
    "l": 0.47775,
    "c": 0.12256,
    "h": 260
  },
  "luminance": 0.10708
}

Semantic roles & 50–950 ramp

primary

#315BA1

secondary

#BEA170

accent

#A64BDD

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #315BA1

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

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