#3129CC#3129CC

#3129CC is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.8% C 0.235 H 272.5°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#3129CC
RGB	rgb(49, 41, 204)
HSL	hsl(243, 67%, 48%)
HSV	hsv(243, 80%, 80%)
CMYK	cmyk(76%, 79.9%, 0%, 20%)
CIE-LAB	lab(30.87, 55.29, -81.04)
CIE-LCH	lch(30.87, 98.10, 304.30°)
OKLab	oklab(42.83% 0.0102 -0.2345)
OKLCH	oklch(42.83% 0.235 272.5)
XYZ	xyz(12.9550, 6.5971, 57.7056)
Luminance	0.0660 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3129CC #C4CC29

analogous

#2972CC #3129CC #8329CC

triadic

#3129CC #CC3129 #29CC31

tetradic

#3129CC #CC2972 #C4CC29 #29CC83

square

#3129CC #CC2972 #C4CC29 #29CC83

split-complementary

#3129CC #CC8329 #72CC29

monochromatic

#191566 #251F99 #3129CC #5C55DD #8D88E7

Accessibility & contrast

On white

9.05

#3129CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#3129CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3129CC

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3129CC	#FFFFFF	#000000	##FFFFFF
##3129CC	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050D0

Deuteranopia (green-blind)

#0041C9

Tritanopia (blue-blind)

#005C7B

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3129cc;
/* rgb */ color: rgb(49, 41, 204);
/* oklch */ color: oklch(42.8% 0.235 272.5);

Tailwind

colors: {
  custom: {
    50: '#8467dd',
    500: '#3129cc',
    950: '#000000',
  },
}

SCSS

$custom: #3129cc;
$custom-light: #8467dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3129cc",
  "rgb": {
    "r": 49,
    "g": 41,
    "b": 204
  },
  "hsl": {
    "h": 242.945,
    "s": 66.531,
    "l": 48.039
  },
  "oklch": {
    "l": 0.42827,
    "c": 0.23472,
    "h": 272.5
  },
  "luminance": 0.06598
}

Semantic roles & 50–950 ramp

primary

#3129CC

secondary

#CDD180

accent

#E93EE1

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0615

muted

#7E7A83

Preview Lab

Preview with #3129CC

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

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