#313EBA#313EBA

#313EBA is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.0% C 0.193 H 271.1°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#313EBA
RGB	rgb(49, 62, 186)
HSL	hsl(234, 58%, 46%)
HSV	hsv(234, 74%, 73%)
CMYK	cmyk(73.7%, 66.7%, 0%, 27.1%)
CIE-LAB	lab(33.23, 37.60, -66.59)
CIE-LCH	lch(33.23, 76.47, 299.45°)
OKLab	oklab(43.96% 0.0037 -0.1926)
OKLCH	oklch(43.96% 0.193 271.1)
XYZ	xyz(11.8492, 7.6422, 47.2955)
Luminance	0.0764 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313EBA #BAAD31

analogous

#3182BA #313EBA #6831BA

triadic

#313EBA #BA313E #3EBA31

tetradic

#313EBA #BA3182 #BAAD31 #31BA68

square

#313EBA #BA3182 #BAAD31 #31BA68

split-complementary

#313EBA #BA6831 #82BA31

monochromatic

#171E59 #242E8A #313EBA #5662D2 #868FDF

Accessibility & contrast

On white

8.30

#313EBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#313EBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313EBA

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313EBA	#FFFFFF	#000000	##FFFFFF
##313EBA	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BE

Deuteranopia (green-blind)

#0048B8

Tritanopia (blue-blind)

#005F76

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #313eba;
/* rgb */ color: rgb(49, 62, 186);
/* oklch */ color: oklch(44.0% 0.193 271.1);

Tailwind

colors: {
  custom: {
    50: '#7e73d0',
    500: '#313eba',
    950: '#000000',
  },
}

SCSS

$custom: #313eba;
$custom-light: #7e73d0;
$custom-dark: #000000;

JSON

{
  "hex": "#313eba",
  "rgb": {
    "r": 49,
    "g": 62,
    "b": 186
  },
  "hsl": {
    "h": 234.307,
    "s": 58.298,
    "l": 46.078
  },
  "oklch": {
    "l": 0.43958,
    "c": 0.19262,
    "h": 271.1
  },
  "luminance": 0.07643
}

Semantic roles & 50–950 ramp

primary

#313EBA

secondary

#C9C27E

accent

#D346E2

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #313EBA

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

Preview Lab → · Contrast checker → · Palette generator →