#31497A#31497A

#31497A is a dark, moderate blue. Relative luminance 0.068; OKLCH L 41.1% C 0.088 H 263.3°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#31497A
RGB	rgb(49, 73, 122)
HSL	hsl(220, 43%, 34%)
HSV	hsv(220, 60%, 48%)
CMYK	cmyk(59.8%, 40.2%, 0%, 52.2%)
CIE-LAB	lab(31.40, 6.87, -30.72)
CIE-LCH	lch(31.40, 31.48, 282.60°)
OKLab	oklab(41.08% -0.0102 -0.0871)
OKLCH	oklch(41.08% 0.088 263.3)
XYZ	xyz(7.1608, 6.8226, 19.3481)
Luminance	0.0682 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31497A #7A6231

analogous

#316D7A #31497A #3D317A

triadic

#31497A #7A3149 #497A31

tetradic

#31497A #7A316D #7A6231 #317A3D

square

#31497A #7A316D #7A6231 #317A3D

split-complementary

#31497A #7A3D31 #6D7A31

monochromatic

#0E1523 #1F2F4E #31497A #4363A6 #6483C1

Accessibility & contrast

On white

8.88

#31497A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#31497A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31497A

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31497A	#FFFFFF	#000000	##FFFFFF
##31497A	1.00	8.88	2.36	8.88
#FFFFFF	8.88	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#344E7C

Deuteranopia (green-blind)

#2B4779

Tritanopia (blue-blind)

#00545B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #31497a;
/* rgb */ color: rgb(49, 73, 122);
/* oklch */ color: oklch(41.1% 0.088 263.3);

Tailwind

colors: {
  custom: {
    50: '#6f7ba1',
    500: '#31497a',
    950: '#000000',
  },
}

SCSS

$custom: #31497a;
$custom-light: #6f7ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#31497a",
  "rgb": {
    "r": 49,
    "g": 73,
    "b": 122
  },
  "hsl": {
    "h": 220.274,
    "s": 42.69,
    "l": 33.529
  },
  "oklch": {
    "l": 0.41084,
    "c": 0.08771,
    "h": 263.3
  },
  "luminance": 0.06823
}

Semantic roles & 50–950 ramp

primary

#31497A

secondary

#A8905E

accent

#A955D2

background

#F7F7F9

surface

#EDEDF2

border

#C8C8CC

text

#08090F

muted

#7B7B7E

Preview Lab

Preview with #31497A

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

Preview Lab → · Contrast checker → · Palette generator →