#315FAA#315FAA

#315FAA is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.3% C 0.130 H 259.7°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#315FAA
RGB	rgb(49, 95, 170)
HSL	hsl(217, 55%, 43%)
HSV	hsv(217, 71%, 67%)
CMYK	cmyk(71.2%, 44.1%, 0%, 33.3%)
CIE-LAB	lab(40.80, 10.21, -44.86)
CIE-LCH	lch(40.80, 46.01, 282.82°)
OKLab	oklab(49.28% -0.0233 -0.1283)
OKLCH	oklch(49.28% 0.13 259.7)
XYZ	xyz(12.6119, 11.7383, 39.6235)
Luminance	0.1174 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315FAA #AA7C31

analogous

#319BAA #315FAA #3F31AA

triadic

#315FAA #AA315F #5FAA31

tetradic

#315FAA #AA319B #AA7C31 #31AA3F

square

#315FAA #AA319B #AA7C31 #31AA3F

split-complementary

#315FAA #AA3F31 #9BAA31

monochromatic

#162A4B #23447A #315FAA #4D7DCC #7CA0D9

Accessibility & contrast

On white

6.27

#315FAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#315FAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315FAA

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315FAA	#FFFFFF	#000000	##FFFFFF
##315FAA	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A66AD

Deuteranopia (green-blind)

#255BA8

Tritanopia (blue-blind)

#00707C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #315faa;
/* rgb */ color: rgb(49, 95, 170);
/* oklch */ color: oklch(49.3% 0.130 259.7);

Tailwind

colors: {
  custom: {
    50: '#788bc4',
    500: '#315faa',
    950: '#000000',
  },
}

SCSS

$custom: #315faa;
$custom-light: #788bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#315faa",
  "rgb": {
    "r": 49,
    "g": 95,
    "b": 170
  },
  "hsl": {
    "h": 217.19,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.49276,
    "c": 0.13039,
    "h": 259.7
  },
  "luminance": 0.1174
}

Semantic roles & 50–950 ramp

primary

#315FAA

secondary

#C2A575

accent

#A649DF

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #315FAA

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

Preview Lab → · Contrast checker → · Palette generator →