#315EA5#315EA5

#315EA5 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 48.7% C 0.125 H 259.2°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#315EA5
RGB	rgb(49, 94, 165)
HSL	hsl(217, 54%, 42%)
HSV	hsv(217, 70%, 65%)
CMYK	cmyk(70.3%, 43%, 0%, 35.3%)
CIE-LAB	lab(40.20, 8.99, -42.85)
CIE-LCH	lch(40.20, 43.78, 281.84°)
OKLab	oklab(48.72% -0.0233 -0.1224)
OKLCH	oklch(48.72% 0.125 259.2)
XYZ	xyz(12.0584, 11.3737, 37.1499)
Luminance	0.1138 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315EA5 #A57831

analogous

#3198A5 #315EA5 #3E31A5

triadic

#315EA5 #A5315E #5EA531

tetradic

#315EA5 #A53198 #A57831 #31A53E

square

#315EA5 #A53198 #A57831 #31A53E

split-complementary

#315EA5 #A53E31 #98A531

monochromatic

#152847 #234376 #315EA5 #4A7BC9 #799ED7

Accessibility & contrast

On white

6.41

#315EA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#315EA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315EA5

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315EA5	#FFFFFF	#000000	##FFFFFF
##315EA5	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C65A8

Deuteranopia (green-blind)

#295AA4

Tritanopia (blue-blind)

#006E79

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #315ea5;
/* rgb */ color: rgb(49, 94, 165);
/* oklch */ color: oklch(48.7% 0.125 259.2);

Tailwind

colors: {
  custom: {
    50: '#778bc0',
    500: '#315ea5',
    950: '#000000',
  },
}

SCSS

$custom: #315ea5;
$custom-light: #778bc0;
$custom-dark: #000000;

JSON

{
  "hex": "#315ea5",
  "rgb": {
    "r": 49,
    "g": 94,
    "b": 165
  },
  "hsl": {
    "h": 216.724,
    "s": 54.206,
    "l": 41.961
  },
  "oklch": {
    "l": 0.48719,
    "c": 0.12461,
    "h": 259.2
  },
  "luminance": 0.11375
}

Semantic roles & 50–950 ramp

primary

#315EA5

secondary

#C0A272

accent

#A44ADE

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #315EA5

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

Preview Lab → · Contrast checker → · Palette generator →