#313E7A#313E7A

#313E7A is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.6% C 0.103 H 271.6°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#313E7A
RGB	rgb(49, 62, 122)
HSL	hsl(229, 43%, 34%)
HSV	hsv(229, 60%, 48%)
CMYK	cmyk(59.8%, 49.2%, 0%, 52.2%)
CIE-LAB	lab(28.12, 14.30, -35.94)
CIE-LCH	lch(28.12, 38.68, 291.69°)
OKLab	oklab(38.57% 0.0029 -0.1026)
OKLCH	oklch(38.57% 0.103 271.6)
XYZ	xyz(6.5009, 5.5029, 19.1282)
Luminance	0.0550 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313E7A #7A6D31

analogous

#31627A #313E7A #48317A

triadic

#313E7A #7A313E #3E7A31

tetradic

#313E7A #7A3162 #7A6D31 #317A48

square

#313E7A #7A3162 #7A6D31 #317A48

split-complementary

#313E7A #7A4831 #627A31

monochromatic

#0E1223 #1F284E #313E7A #4354A6 #6475C1

Accessibility & contrast

On white

10.00

#313E7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#313E7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313E7A

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313E7A	#FFFFFF	#000000	##FFFFFF
##313E7A	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21467C

Deuteranopia (green-blind)

#173F79

Tritanopia (blue-blind)

#004B56

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #313e7a;
/* rgb */ color: rgb(49, 62, 122);
/* oklch */ color: oklch(38.6% 0.103 271.6);

Tailwind

colors: {
  custom: {
    50: '#7073a1',
    500: '#313e7a',
    950: '#000000',
  },
}

SCSS

$custom: #313e7a;
$custom-light: #7073a1;
$custom-dark: #000000;

JSON

{
  "hex": "#313e7a",
  "rgb": {
    "r": 49,
    "g": 62,
    "b": 122
  },
  "hsl": {
    "h": 229.315,
    "s": 42.69,
    "l": 33.529
  },
  "oklch": {
    "l": 0.38568,
    "c": 0.1026,
    "h": 271.6
  },
  "luminance": 0.05503
}

Semantic roles & 50–950 ramp

primary

#313E7A

secondary

#A89B5E

accent

#BC55D2

background

#F7F6F9

surface

#EDECF2

border

#C8C7CC

text

#08080F

muted

#7B7B7E

Preview Lab

Preview with #313E7A

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

Preview Lab → · Contrast checker → · Palette generator →