#3128A6#3128A6

#3128A6 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.5% C 0.191 H 275.8°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#3128A6
RGB	rgb(49, 40, 166)
HSL	hsl(244, 61%, 40%)
HSV	hsv(244, 76%, 65%)
CMYK	cmyk(70.5%, 75.9%, 0%, 34.9%)
CIE-LAB	lab(26.51, 43.85, -65.70)
CIE-LCH	lch(26.51, 78.99, 303.72°)
OKLab	oklab(38.55% 0.0192 -0.1899)
OKLCH	oklch(38.55% 0.191 275.8)
XYZ	xyz(8.9061, 4.9229, 36.5499)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3128A6 #9DA628

analogous

#285EA6 #3128A6 #7028A6

triadic

#3128A6 #A63128 #28A631

tetradic

#3128A6 #A6285E #9DA628 #28A670

square

#3128A6 #A6285E #9DA628 #28A670

split-complementary

#3128A6 #A67028 #5EA628

monochromatic

#141043 #221C75 #3128A6 #463BD0 #756DDC

Accessibility & contrast

On white

10.58

#3128A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#3128A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3128A6

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3128A6	#FFFFFF	#000000	##FFFFFF
##3128A6	1.00	10.58	1.98	10.58
#FFFFFF	10.58	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AA

Deuteranopia (green-blind)

#0039A4

Tritanopia (blue-blind)

#004D65

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3128a6;
/* rgb */ color: rgb(49, 40, 166);
/* oklch */ color: oklch(38.5% 0.191 275.8);

Tailwind

colors: {
  custom: {
    50: '#7b64c2',
    500: '#3128a6',
    950: '#000000',
  },
}

SCSS

$custom: #3128a6;
$custom-light: #7b64c2;
$custom-dark: #000000;

JSON

{
  "hex": "#3128a6",
  "rgb": {
    "r": 49,
    "g": 40,
    "b": 166
  },
  "hsl": {
    "h": 244.286,
    "s": 61.165,
    "l": 40.392
  },
  "oklch": {
    "l": 0.38549,
    "c": 0.19089,
    "h": 275.8
  },
  "luminance": 0.04924
}

Semantic roles & 50–950 ramp

primary

#3128A6

secondary

#BCC267

accent

#E444D9

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3128A6

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

Preview Lab → · Contrast checker → · Palette generator →