#315DB0#315DB0

#315DB0 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.2% C 0.141 H 261.7°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#315DB0
RGB	rgb(49, 93, 176)
HSL	hsl(219, 56%, 44%)
HSV	hsv(219, 72%, 69%)
CMYK	cmyk(72.2%, 47.2%, 0%, 31%)
CIE-LAB	lab(40.60, 13.76, -48.72)
CIE-LCH	lch(40.60, 50.63, 285.77°)
OKLab	oklab(49.24% -0.0204 -0.1397)
OKLCH	oklch(49.24% 0.141 261.7)
XYZ	xyz(13.0146, 11.6149, 42.6219)
Luminance	0.1162 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315DB0 #B08431

analogous

#319DB0 #315DB0 #4531B0

triadic

#315DB0 #B0315D #5DB031

tetradic

#315DB0 #B0319D #B08431 #31B045

square

#315DB0 #B0319D #B08431 #31B045

split-complementary

#315DB0 #B04531 #9DB031

monochromatic

#162A50 #244480 #315DB0 #507CCE #80A0DC

Accessibility & contrast

On white

6.32

#315DB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#315DB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315DB0

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315DB0	#FFFFFF	#000000	##FFFFFF
##315DB0	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3166B3

Deuteranopia (green-blind)

#135AAE

Tritanopia (blue-blind)

#00707E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #315db0;
/* rgb */ color: rgb(49, 93, 176);
/* oklch */ color: oklch(49.2% 0.141 261.7);

Tailwind

colors: {
  custom: {
    50: '#798ac8',
    500: '#315db0',
    950: '#000000',
  },
}

SCSS

$custom: #315db0;
$custom-light: #798ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#315db0",
  "rgb": {
    "r": 49,
    "g": 93,
    "b": 176
  },
  "hsl": {
    "h": 219.213,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.49243,
    "c": 0.14115,
    "h": 261.7
  },
  "luminance": 0.11616
}

Semantic roles & 50–950 ramp

primary

#315DB0

secondary

#C5AA78

accent

#AB48E0

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #315DB0

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

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