#315EB6#315EB6

#315EB6 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 49.9% C 0.148 H 262.1°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#315EB6
RGB	rgb(49, 94, 182)
HSL	hsl(220, 58%, 45%)
HSV	hsv(220, 73%, 71%)
CMYK	cmyk(73.1%, 48.4%, 0%, 28.6%)
CIE-LAB	lab(41.27, 15.37, -51.16)
CIE-LCH	lch(41.27, 53.42, 286.72°)
OKLab	oklab(49.88% -0.0203 -0.1468)
OKLCH	oklch(49.88% 0.148 262.1)
XYZ	xyz(13.7098, 12.0343, 45.8472)
Luminance	0.1204 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315EB6 #B68931

analogous

#31A1B6 #315EB6 #4631B6

triadic

#315EB6 #B6315E #5EB631

tetradic

#315EB6 #B631A1 #B68931 #31B646

square

#315EB6 #B631A1 #B68931 #31B646

split-complementary

#315EB6 #B64631 #A1B631

monochromatic

#172C56 #244586 #315EB6 #537ED1 #84A2DE

Accessibility & contrast

On white

6.16

#315EB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#315EB6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315EB6

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315EB6	#FFFFFF	#000000	##FFFFFF
##315EB6	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D68B9

Deuteranopia (green-blind)

#035CB4

Tritanopia (blue-blind)

#007381

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #315eb6;
/* rgb */ color: rgb(49, 94, 182);
/* oklch */ color: oklch(49.9% 0.148 262.1);

Tailwind

colors: {
  custom: {
    50: '#7b8bcc',
    500: '#315eb6',
    950: '#000000',
  },
}

SCSS

$custom: #315eb6;
$custom-light: #7b8bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#315eb6",
  "rgb": {
    "r": 49,
    "g": 94,
    "b": 182
  },
  "hsl": {
    "h": 219.699,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.49884,
    "c": 0.14824,
    "h": 262.1
  },
  "luminance": 0.12036
}

Semantic roles & 50–950 ramp

primary

#315EB6

secondary

#C7AE7C

accent

#AD47E1

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #315EB6

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

Preview Lab → · Contrast checker → · Palette generator →