#3128AC#3128AC

#3128AC is a dark, vivid blue. Relative luminance 0.051; OKLCH L 39.2% C 0.198 H 275.2°. Best body text is #FFFFFF at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#3128AC
RGB	rgb(49, 40, 172)
HSL	hsl(244, 62%, 42%)
HSV	hsv(244, 77%, 67%)
CMYK	cmyk(71.5%, 76.7%, 0%, 32.5%)
CIE-LAB	lab(27.15, 45.79, -68.26)
CIE-LCH	lch(27.15, 82.19, 303.85°)
OKLab	oklab(39.19% 0.0179 -0.1974)
OKLCH	oklch(39.19% 0.198 275.2)
XYZ	xyz(9.4694, 5.1482, 39.5164)
Luminance	0.0515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3128AC #A3AC28

analogous

#2861AC #3128AC #7328AC

triadic

#3128AC #AC3128 #28AC31

tetradic

#3128AC #AC2861 #A3AC28 #28AC73

square

#3128AC #AC2861 #A3AC28 #28AC73

split-complementary

#3128AC #AC7328 #61AC28

monochromatic

#151149 #231C7A #3128AC #493FD2 #7871DE

Accessibility & contrast

On white

10.35

#3128AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#3128AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3128AC

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3128AC	#FFFFFF	#000000	##FFFFFF
##3128AC	1.00	10.35	2.03	10.35
#FFFFFF	10.35	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B0

Deuteranopia (green-blind)

#003AAA

Tritanopia (blue-blind)

#004F69

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3128ac;
/* rgb */ color: rgb(49, 40, 172);
/* oklch */ color: oklch(39.2% 0.198 275.2);

Tailwind

colors: {
  custom: {
    50: '#7c65c6',
    500: '#3128ac',
    950: '#000000',
  },
}

SCSS

$custom: #3128ac;
$custom-light: #7c65c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3128ac",
  "rgb": {
    "r": 49,
    "g": 40,
    "b": 172
  },
  "hsl": {
    "h": 244.091,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.39189,
    "c": 0.19819,
    "h": 275.2
  },
  "luminance": 0.05149
}

Semantic roles & 50–950 ramp

primary

#3128AC

secondary

#BFC56B

accent

#E542DA

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3128AC

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

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