#3127AA#3127AA

#3127AA is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.8% C 0.197 H 275.5°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#3127AA
RGB	rgb(49, 39, 170)
HSL	hsl(245, 63%, 41%)
HSV	hsv(245, 77%, 67%)
CMYK	cmyk(71.2%, 77.1%, 0%, 33.3%)
CIE-LAB	lab(26.75, 45.68, -67.72)
CIE-LCH	lch(26.75, 81.69, 304.00°)
OKLab	oklab(38.84% 0.0188 -0.1958)
OKLCH	oklch(38.84% 0.197 275.5)
XYZ	xyz(9.2455, 5.0054, 38.5013)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3127AA #A0AA27

analogous

#275EAA #3127AA #7227AA

triadic

#3127AA #AA3127 #27AA31

tetradic

#3127AA #AA275E #A0AA27 #27AA72

square

#3127AA #AA275E #A0AA27 #27AA72

split-complementary

#3127AA #AA7227 #5EAA27

monochromatic

#141046 #231C78 #3127AA #473CD2 #766EDE

Accessibility & contrast

On white

10.49

#3127AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#3127AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3127AA

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3127AA	#FFFFFF	#000000	##FFFFFF
##3127AA	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AE

Deuteranopia (green-blind)

#0039A8

Tritanopia (blue-blind)

#004E67

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3127aa;
/* rgb */ color: rgb(49, 39, 170);
/* oklch */ color: oklch(38.8% 0.197 275.5);

Tailwind

colors: {
  custom: {
    50: '#7c64c5',
    500: '#3127aa',
    950: '#000000',
  },
}

SCSS

$custom: #3127aa;
$custom-light: #7c64c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3127aa",
  "rgb": {
    "r": 49,
    "g": 39,
    "b": 170
  },
  "hsl": {
    "h": 244.58,
    "s": 62.679,
    "l": 40.98
  },
  "oklch": {
    "l": 0.38842,
    "c": 0.1967,
    "h": 275.5
  },
  "luminance": 0.05006
}

Semantic roles & 50–950 ramp

primary

#3127AA

secondary

#BDC469

accent

#E642D9

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #3127AA

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

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