#31357A#31357A

#31357A is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.6% C 0.115 H 276.6°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#31357A
RGB	rgb(49, 53, 122)
HSL	hsl(237, 43%, 34%)
HSV	hsv(237, 60%, 48%)
CMYK	cmyk(59.8%, 56.6%, 0%, 52.2%)
CIE-LAB	lab(25.58, 20.45, -40.04)
CIE-LCH	lch(25.58, 44.96, 297.06°)
OKLab	oklab(36.65% 0.0132 -0.1147)
OKLCH	oklch(36.65% 0.115 276.6)
XYZ	xyz(6.0514, 4.6039, 18.9783)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31357A #7A7631

analogous

#31597A #31357A #51317A

triadic

#31357A #7A3135 #357A31

tetradic

#31357A #7A3159 #7A7631 #317A51

square

#31357A #7A3159 #7A7631 #317A51

split-complementary

#31357A #7A5131 #597A31

monochromatic

#0E0F23 #1F224E #31357A #4348A6 #646AC1

Accessibility & contrast

On white

10.93

#31357A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#31357A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31357A

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31357A	#FFFFFF	#000000	##FFFFFF
##31357A	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#08407C

Deuteranopia (green-blind)

#003A79

Tritanopia (blue-blind)

#034552

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #31357a;
/* rgb */ color: rgb(49, 53, 122);
/* oklch */ color: oklch(36.6% 0.115 276.6);

Tailwind

colors: {
  custom: {
    50: '#706ca1',
    500: '#31357a',
    950: '#000000',
  },
}

SCSS

$custom: #31357a;
$custom-light: #706ca1;
$custom-dark: #000000;

JSON

{
  "hex": "#31357a",
  "rgb": {
    "r": 49,
    "g": 53,
    "b": 122
  },
  "hsl": {
    "h": 236.712,
    "s": 42.69,
    "l": 33.529
  },
  "oklch": {
    "l": 0.36647,
    "c": 0.11547,
    "h": 276.6
  },
  "luminance": 0.04604
}

Semantic roles & 50–950 ramp

primary

#31357A

secondary

#A8A45E

accent

#CC55D2

background

#F7F6FA

surface

#EDEBF3

border

#C8C6CD

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #31357A

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

Preview Lab → · Contrast checker → · Palette generator →