#315EBF#315EBF

#315EBF is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.5% C 0.161 H 263.1°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#315EBF
RGB	rgb(49, 94, 191)
HSL	hsl(221, 59%, 47%)
HSV	hsv(221, 74%, 75%)
CMYK	cmyk(74.3%, 50.8%, 0%, 25.1%)
CIE-LAB	lab(41.87, 18.75, -55.44)
CIE-LCH	lch(41.87, 58.53, 288.69°)
OKLab	oklab(50.54% -0.0192 -0.1594)
OKLCH	oklch(50.54% 0.161 263.1)
XYZ	xyz(14.6699, 12.4183, 50.9039)
Luminance	0.1242 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315EBF #BF9231

analogous

#31A5BF #315EBF #4B31BF

triadic

#315EBF #BF315E #5EBF31

tetradic

#315EBF #BF31A5 #BF9231 #31BF4B

square

#315EBF #BF31A5 #BF9231 #31BF4B

split-complementary

#315EBF #BF4B31 #A5BF31

monochromatic

#182E5E #25468E #315EBF #5980D4 #8AA5E1

Accessibility & contrast

On white

6.03

#315EBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#315EBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315EBF

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315EBF	#FFFFFF	#000000	##FFFFFF
##315EBF	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#226AC2

Deuteranopia (green-blind)

#005DBD

Tritanopia (blue-blind)

#007585

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #315ebf;
/* rgb */ color: rgb(49, 94, 191);
/* oklch */ color: oklch(50.5% 0.161 263.1);

Tailwind

colors: {
  custom: {
    50: '#7c8bd3',
    500: '#315ebf',
    950: '#000000',
  },
}

SCSS

$custom: #315ebf;
$custom-light: #7c8bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#315ebf",
  "rgb": {
    "r": 49,
    "g": 94,
    "b": 191
  },
  "hsl": {
    "h": 220.986,
    "s": 59.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.50538,
    "c": 0.16058,
    "h": 263.1
  },
  "luminance": 0.1242
}

Semantic roles & 50–950 ramp

primary

#315EBF

secondary

#CBB381

accent

#B145E2

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #315EBF

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

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