#315EA1#315EA1

#315EA1 is a mid, moderate blue. Relative luminance 0.112; OKLCH L 48.5% C 0.119 H 258.3°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#315EA1
RGB	rgb(49, 94, 161)
HSL	hsl(216, 53%, 41%)
HSV	hsv(216, 70%, 63%)
CMYK	cmyk(69.6%, 41.6%, 0%, 36.9%)
CIE-LAB	lab(39.97, 7.49, -40.85)
CIE-LCH	lch(39.97, 41.53, 280.39°)
OKLab	oklab(48.46% -0.0242 -0.1165)
OKLCH	oklch(48.46% 0.119 258.3)
XYZ	xyz(11.7000, 11.2304, 35.2624)
Luminance	0.1123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315EA1 #A17431

analogous

#3196A1 #315EA1 #3C31A1

triadic

#315EA1 #A1315E #5EA131

tetradic

#315EA1 #A13196 #A17431 #31A13C

square

#315EA1 #A13196 #A17431 #31A13C

split-complementary

#315EA1 #A13C31 #96A131

monochromatic

#142743 #234372 #315EA1 #487BC7 #779DD6

Accessibility & contrast

On white

6.47

#315EA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#315EA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315EA1

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315EA1	#FFFFFF	#000000	##FFFFFF
##315EA1	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F64A4

Deuteranopia (green-blind)

#2D59A0

Tritanopia (blue-blind)

#006D77

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #315ea1;
/* rgb */ color: rgb(49, 94, 161);
/* oklch */ color: oklch(48.5% 0.119 258.3);

Tailwind

colors: {
  custom: {
    50: '#768bbd',
    500: '#315ea1',
    950: '#000000',
  },
}

SCSS

$custom: #315ea1;
$custom-light: #768bbd;
$custom-dark: #000000;

JSON

{
  "hex": "#315ea1",
  "rgb": {
    "r": 49,
    "g": 94,
    "b": 161
  },
  "hsl": {
    "h": 215.893,
    "s": 53.333,
    "l": 41.176
  },
  "oklch": {
    "l": 0.48458,
    "c": 0.11902,
    "h": 258.3
  },
  "luminance": 0.11232
}

Semantic roles & 50–950 ramp

primary

#315EA1

secondary

#BE9F70

accent

#A24BDD

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #315EA1

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

Preview Lab → · Contrast checker → · Palette generator →