#31589A#31589A

#31589A is a mid, moderate blue. Relative luminance 0.100; OKLCH L 46.6% C 0.116 H 260.3°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#31589A
RGB	rgb(49, 88, 154)
HSL	hsl(218, 52%, 40%)
HSV	hsv(218, 68%, 60%)
CMYK	cmyk(68.2%, 42.9%, 0%, 39.6%)
CIE-LAB	lab(37.78, 8.77, -40.15)
CIE-LCH	lch(37.78, 41.10, 282.32°)
OKLab	oklab(46.63% -0.0197 -0.1146)
OKLCH	oklch(46.63% 0.116 260.3)
XYZ	xyz(10.5870, 9.9645, 31.9310)
Luminance	0.0997 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31589A #9A7331

analogous

#318D9A #31589A #3E319A

triadic

#31589A #9A3158 #589A31

tetradic

#31589A #9A318D #9A7331 #319A3E

square

#31589A #9A318D #9A7331 #319A3E

split-complementary

#31589A #9A3E31 #8D9A31

monochromatic

#13233D #223D6C #31589A #4574C4 #7396D2

Accessibility & contrast

On white

7.02

#31589A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#31589A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31589A

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31589A	#FFFFFF	#000000	##FFFFFF
##31589A	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#395E9D

Deuteranopia (green-blind)

#285499

Tritanopia (blue-blind)

#006771

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #31589a;
/* rgb */ color: rgb(49, 88, 154);
/* oklch */ color: oklch(46.6% 0.116 260.3);

Tailwind

colors: {
  custom: {
    50: '#7586b8',
    500: '#31589a',
    950: '#000000',
  },
}

SCSS

$custom: #31589a;
$custom-light: #7586b8;
$custom-dark: #000000;

JSON

{
  "hex": "#31589a",
  "rgb": {
    "r": 49,
    "g": 88,
    "b": 154
  },
  "hsl": {
    "h": 217.714,
    "s": 51.724,
    "l": 39.804
  },
  "oklch": {
    "l": 0.4663,
    "c": 0.11624,
    "h": 260.3
  },
  "luminance": 0.09966
}

Semantic roles & 50–950 ramp

primary

#31589A

secondary

#BA9D6C

accent

#A64DDB

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #31589A

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

Preview Lab → · Contrast checker → · Palette generator →