#315FA7#315FA7

#315FA7 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.1% C 0.126 H 259.1°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#315FA7
RGB	rgb(49, 95, 167)
HSL	hsl(217, 55%, 42%)
HSV	hsv(217, 71%, 65%)
CMYK	cmyk(70.7%, 43.1%, 0%, 34.5%)
CIE-LAB	lab(40.62, 9.09, -43.38)
CIE-LCH	lch(40.62, 44.32, 281.83°)
OKLab	oklab(49.08% -0.0239 -0.1239)
OKLCH	oklch(49.08% 0.126 259.1)
XYZ	xyz(12.3314, 11.6261, 38.1459)
Luminance	0.1163 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315FA7 #A77931

analogous

#319AA7 #315FA7 #3E31A7

triadic

#315FA7 #A7315F #5FA731

tetradic

#315FA7 #A7319A #A77931 #31A73E

square

#315FA7 #A7319A #A77931 #31A73E

split-complementary

#315FA7 #A73E31 #9AA731

monochromatic

#152948 #234478 #315FA7 #4B7DCA #7A9FD8

Accessibility & contrast

On white

6.32

#315FA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#315FA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315FA7

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315FA7	#FFFFFF	#000000	##FFFFFF
##315FA7	1.00	6.32	3.33	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D66AA

Deuteranopia (green-blind)

#285BA6

Tritanopia (blue-blind)

#00707B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #315fa7;
/* rgb */ color: rgb(49, 95, 167);
/* oklch */ color: oklch(49.1% 0.126 259.1);

Tailwind

colors: {
  custom: {
    50: '#778bc1',
    500: '#315fa7',
    950: '#000000',
  },
}

SCSS

$custom: #315fa7;
$custom-light: #778bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#315fa7",
  "rgb": {
    "r": 49,
    "g": 95,
    "b": 167
  },
  "hsl": {
    "h": 216.61,
    "s": 54.63,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49077,
    "c": 0.12622,
    "h": 259.1
  },
  "luminance": 0.11627
}

Semantic roles & 50–950 ramp

primary

#315FA7

secondary

#C1A273

accent

#A44ADE

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #315FA7

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

Preview Lab → · Contrast checker → · Palette generator →