#315DA1#315DA1

#315DA1 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.2% C 0.120 H 258.9°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#315DA1
RGB	rgb(49, 93, 161)
HSL	hsl(216, 53%, 41%)
HSV	hsv(216, 70%, 63%)
CMYK	cmyk(69.6%, 42.2%, 0%, 36.9%)
CIE-LAB	lab(39.67, 8.14, -41.32)
CIE-LCH	lch(39.67, 42.12, 281.14°)
OKLab	oklab(48.23% -0.0232 -0.1179)
OKLCH	oklch(48.23% 0.12 258.9)
XYZ	xyz(11.6117, 11.0537, 35.2329)
Luminance	0.1105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315DA1 #A17531

analogous

#3195A1 #315DA1 #3D31A1

triadic

#315DA1 #A1315D #5DA131

tetradic

#315DA1 #A13195 #A17531 #31A13D

square

#315DA1 #A13195 #A17531 #31A13D

split-complementary

#315DA1 #A13D31 #95A131

monochromatic

#142743 #234272 #315DA1 #487AC7 #779CD6

Accessibility & contrast

On white

6.54

#315DA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#315DA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315DA1

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315DA1	#FFFFFF	#000000	##FFFFFF
##315DA1	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D63A4

Deuteranopia (green-blind)

#2B59A0

Tritanopia (blue-blind)

#006D77

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #315da1;
/* rgb */ color: rgb(49, 93, 161);
/* oklch */ color: oklch(48.2% 0.120 258.9);

Tailwind

colors: {
  custom: {
    50: '#768abd',
    500: '#315da1',
    950: '#000000',
  },
}

SCSS

$custom: #315da1;
$custom-light: #768abd;
$custom-dark: #000000;

JSON

{
  "hex": "#315da1",
  "rgb": {
    "r": 49,
    "g": 93,
    "b": 161
  },
  "hsl": {
    "h": 216.429,
    "s": 53.333,
    "l": 41.176
  },
  "oklch": {
    "l": 0.48229,
    "c": 0.12019,
    "h": 258.9
  },
  "luminance": 0.11055
}

Semantic roles & 50–950 ramp

primary

#315DA1

secondary

#BE9F70

accent

#A44BDD

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #315DA1

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

Preview Lab → · Contrast checker → · Palette generator →