#3031C0#3031C0

#3031C0 is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.5% C 0.214 H 272.3°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#3031C0
RGB	rgb(48, 49, 192)
HSL	hsl(240, 60%, 47%)
HSV	hsv(240, 75%, 75%)
CMYK	cmyk(75%, 74.5%, 0%, 24.7%)
CIE-LAB	lab(30.95, 47.27, -73.88)
CIE-LCH	lch(30.95, 87.71, 302.61°)
OKLab	oklab(42.48% 0.0086 -0.2138)
OKLCH	oklch(42.48% 0.214 272.3)
XYZ	xyz(11.8285, 6.6295, 50.5152)
Luminance	0.0663 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 4.15

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3031C0 #C0BF30

analogous

#3079C0 #3031C0 #7730C0

triadic

#3031C0 #C03031 #31C030

tetradic

#3031C0 #C03079 #C0BF30 #30C077

square

#3031C0 #C03079 #C0BF30 #30C077

split-complementary

#3031C0 #C07730 #79C030

monochromatic

#18185E #24258F #3031C0 #5859D5 #898AE1

Accessibility & contrast

On white

9.03

#3031C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#3031C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3031C0

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3031C0	#FFFFFF	#000000	##FFFFFF
##3031C0	1.00	9.03	2.33	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050C4

Deuteranopia (green-blind)

#0042BD

Tritanopia (blue-blind)

#005B76

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3031c0;
/* rgb */ color: rgb(48, 49, 192);
/* oklch */ color: oklch(42.5% 0.214 272.3);

Tailwind

colors: {
  custom: {
    50: '#806bd4',
    500: '#3031c0',
    950: '#000000',
  },
}

SCSS

$custom: #3031c0;
$custom-light: #806bd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3031c0",
  "rgb": {
    "r": 48,
    "g": 49,
    "b": 192
  },
  "hsl": {
    "h": 239.583,
    "s": 60,
    "l": 47.059
  },
  "oklch": {
    "l": 0.42482,
    "c": 0.21401,
    "h": 272.3
  },
  "luminance": 0.06631
}

Semantic roles & 50–950 ramp

primary

#3031C0

secondary

#CBCB80

accent

#E245E3

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3031C0

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

Preview Lab → · Contrast checker → · Palette generator →