#3127A2#3127A2

#3127A2 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 38.0% C 0.187 H 276.3°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#3127A2
RGB	rgb(49, 39, 162)
HSL	hsl(245, 61%, 39%)
HSV	hsv(245, 76%, 64%)
CMYK	cmyk(69.8%, 75.9%, 0%, 36.5%)
CIE-LAB	lab(25.90, 43.10, -64.29)
CIE-LCH	lch(25.90, 77.40, 303.84°)
OKLab	oklab(37.99% 0.0206 -0.1858)
OKLCH	oklch(37.99% 0.187 276.3)
XYZ	xyz(8.5116, 4.7119, 34.6363)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3127A2 #98A227

analogous

#275BA2 #3127A2 #6F27A2

triadic

#3127A2 #A23127 #27A231

tetradic

#3127A2 #A2275B #98A227 #27A26F

square

#3127A2 #A2275B #98A227 #27A26F

split-complementary

#3127A2 #A26F27 #5BA227

monochromatic

#130F3F #221B71 #3127A2 #4437CF #7269DB

Accessibility & contrast

On white

10.81

#3127A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#3127A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3127A2

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3127A2	#FFFFFF	#000000	##FFFFFF
##3127A2	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A6

Deuteranopia (green-blind)

#0038A0

Tritanopia (blue-blind)

#004B63

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #3127a2;
/* rgb */ color: rgb(49, 39, 162);
/* oklch */ color: oklch(38.0% 0.187 276.3);

Tailwind

colors: {
  custom: {
    50: '#7a63bf',
    500: '#3127a2',
    950: '#000000',
  },
}

SCSS

$custom: #3127a2;
$custom-light: #7a63bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3127a2",
  "rgb": {
    "r": 49,
    "g": 39,
    "b": 162
  },
  "hsl": {
    "h": 244.878,
    "s": 61.194,
    "l": 39.412
  },
  "oklch": {
    "l": 0.37988,
    "c": 0.18696,
    "h": 276.3
  },
  "luminance": 0.04713
}

Semantic roles & 50–950 ramp

primary

#3127A2

secondary

#B9C164

accent

#E443D7

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0512

muted

#7C7A81

Preview Lab

Preview with #3127A2

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

Preview Lab → · Contrast checker → · Palette generator →