#315FA1#315FA1

#315FA1 is a mid, moderate blue. Relative luminance 0.114; OKLCH L 48.7% C 0.118 H 257.7°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#315FA1
RGB	rgb(49, 95, 161)
HSL	hsl(215, 53%, 41%)
HSV	hsv(215, 70%, 63%)
CMYK	cmyk(69.6%, 41%, 0%, 36.9%)
CIE-LAB	lab(40.26, 6.85, -40.38)
CIE-LCH	lch(40.26, 40.96, 279.63°)
OKLab	oklab(48.69% -0.0252 -0.1151)
OKLCH	oklch(48.69% 0.118 257.7)
XYZ	xyz(11.7895, 11.4094, 35.2922)
Luminance	0.1141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315FA1 #A17331

analogous

#3197A1 #315FA1 #3B31A1

triadic

#315FA1 #A1315F #5FA131

tetradic

#315FA1 #A13197 #A17331 #31A13B

square

#315FA1 #A13197 #A17331 #31A13B

split-complementary

#315FA1 #A13B31 #97A131

monochromatic

#142843 #234372 #315FA1 #487CC7 #779ED6

Accessibility & contrast

On white

6.40

#315FA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#315FA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315FA1

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315FA1	#FFFFFF	#000000	##FFFFFF
##315FA1	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4165A4

Deuteranopia (green-blind)

#2F5AA0

Tritanopia (blue-blind)

#006E78

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #315fa1;
/* rgb */ color: rgb(49, 95, 161);
/* oklch */ color: oklch(48.7% 0.118 257.7);

Tailwind

colors: {
  custom: {
    50: '#768cbd',
    500: '#315fa1',
    950: '#000000',
  },
}

SCSS

$custom: #315fa1;
$custom-light: #768cbd;
$custom-dark: #000000;

JSON

{
  "hex": "#315fa1",
  "rgb": {
    "r": 49,
    "g": 95,
    "b": 161
  },
  "hsl": {
    "h": 215.357,
    "s": 53.333,
    "l": 41.176
  },
  "oklch": {
    "l": 0.48688,
    "c": 0.11786,
    "h": 257.7
  },
  "luminance": 0.11411
}

Semantic roles & 50–950 ramp

primary

#315FA1

secondary

#BE9E70

accent

#A14BDD

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #315FA1

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

Preview Lab → · Contrast checker → · Palette generator →