#3127A5#3127A5

#3127A5 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.3% C 0.191 H 276.0°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#3127A5
RGB	rgb(49, 39, 165)
HSL	hsl(245, 62%, 40%)
HSV	hsv(245, 76%, 65%)
CMYK	cmyk(70.3%, 76.4%, 0%, 35.3%)
CIE-LAB	lab(26.22, 44.07, -65.59)
CIE-LCH	lch(26.22, 79.02, 303.90°)
OKLab	oklab(38.31% 0.02 -0.1896)
OKLCH	oklch(38.31% 0.191 276)
XYZ	xyz(8.7814, 4.8198, 36.0575)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3127A5 #9BA527

analogous

#275CA5 #3127A5 #7027A5

triadic

#3127A5 #A53127 #27A531

tetradic

#3127A5 #A5275C #9BA527 #27A570

square

#3127A5 #A5275C #9BA527 #27A570

split-complementary

#3127A5 #A57027 #5CA527

monochromatic

#141042 #221B74 #3127A5 #4539D0 #736ADC

Accessibility & contrast

On white

10.69

#3127A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#3127A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3127A5

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3127A5	#FFFFFF	#000000	##FFFFFF
##3127A5	1.00	10.69	1.96	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A9

Deuteranopia (green-blind)

#0038A3

Tritanopia (blue-blind)

#004C64

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3127a5;
/* rgb */ color: rgb(49, 39, 165);
/* oklch */ color: oklch(38.3% 0.191 276.0);

Tailwind

colors: {
  custom: {
    50: '#7b64c1',
    500: '#3127a5',
    950: '#000000',
  },
}

SCSS

$custom: #3127a5;
$custom-light: #7b64c1;
$custom-dark: #000000;

JSON

{
  "hex": "#3127a5",
  "rgb": {
    "r": 49,
    "g": 39,
    "b": 165
  },
  "hsl": {
    "h": 244.762,
    "s": 61.765,
    "l": 40
  },
  "oklch": {
    "l": 0.38307,
    "c": 0.19064,
    "h": 276
  },
  "luminance": 0.04821
}

Semantic roles & 50–950 ramp

primary

#3127A5

secondary

#BBC266

accent

#E543D8

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0512

muted

#7C7A81

Preview Lab

Preview with #3127A5

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

Preview Lab → · Contrast checker → · Palette generator →