#315FDB#315FDB

#315FDB is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.9% C 0.197 H 264.9°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#315FDB
RGB	rgb(49, 95, 219)
HSL	hsl(224, 70%, 53%)
HSV	hsv(224, 78%, 86%)
CMYK	cmyk(77.6%, 56.6%, 0%, 14.1%)
CIE-LAB	lab(44.16, 28.56, -67.85)
CIE-LCH	lch(44.16, 73.61, 292.83°)
OKLab	oklab(52.91% -0.0175 -0.1959)
OKLCH	oklch(52.91% 0.197 264.9)
XYZ	xyz(18.1405, 13.9498, 68.7406)
Luminance	0.1395 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315FDB #DBAD31

analogous

#31B4DB #315FDB #5831DB

triadic

#315FDB #DB315F #5FDB31

tetradic

#315FDB #DB31B4 #DBAD31 #31DB58

square

#315FDB #DB31B4 #DBAD31 #31DB58

split-complementary

#315FDB #DB5831 #B4DB31

monochromatic

#16317C #1F46B0 #315FDB #6587E4 #99B0ED

Accessibility & contrast

On white

5.54

#315FDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#315FDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315FDB

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315FDB	#FFFFFF	#000000	##FFFFFF
##315FDB	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071DF

Deuteranopia (green-blind)

#0061D9

Tritanopia (blue-blind)

#007E94

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #315fdb;
/* rgb */ color: rgb(49, 95, 219);
/* oklch */ color: oklch(52.9% 0.197 264.9);

Tailwind

colors: {
  custom: {
    50: '#838be7',
    500: '#315fdb',
    950: '#000000',
  },
}

SCSS

$custom: #315fdb;
$custom-light: #838be7;
$custom-dark: #000000;

JSON

{
  "hex": "#315fdb",
  "rgb": {
    "r": 49,
    "g": 95,
    "b": 219
  },
  "hsl": {
    "h": 223.765,
    "s": 70.248,
    "l": 52.549
  },
  "oklch": {
    "l": 0.52907,
    "c": 0.19667,
    "h": 264.9
  },
  "luminance": 0.13952
}

Semantic roles & 50–950 ramp

primary

#315FDB

secondary

#D9C58F

accent

#BD3BED

background

#F8F8FE

surface

#F0F0FD

border

#CBCBD5

text

#0C0C16

muted

#7D7D84

Preview Lab

Preview with #315FDB

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

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