#3129A1#3129A1

#3129A1 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.2% C 0.184 H 276.2°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#3129A1
RGB	rgb(49, 41, 161)
HSL	hsl(244, 59%, 40%)
HSV	hsv(244, 75%, 63%)
CMYK	cmyk(69.6%, 74.5%, 0%, 36.9%)
CIE-LAB	lab(26.19, 41.66, -63.20)
CIE-LCH	lch(26.19, 75.69, 303.39°)
OKLab	oklab(38.16% 0.0197 -0.1826)
OKLCH	oklch(38.16% 0.184 276.2)
XYZ	xyz(8.4905, 4.8113, 34.1925)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3129A1 #99A129

analogous

#295DA1 #3129A1 #6D29A1

triadic

#3129A1 #A13129 #29A131

tetradic

#3129A1 #A1295D #99A129 #29A16D

square

#3129A1 #A1295D #99A129 #29A16D

split-complementary

#3129A1 #A16D29 #5DA129

monochromatic

#13103F #221D70 #3129A1 #443ACD #726BD9

Accessibility & contrast

On white

10.70

#3129A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#3129A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3129A1

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3129A1	#FFFFFF	#000000	##FFFFFF
##3129A1	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A5

Deuteranopia (green-blind)

#00399F

Tritanopia (blue-blind)

#004B63

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3129a1;
/* rgb */ color: rgb(49, 41, 161);
/* oklch */ color: oklch(38.2% 0.184 276.2);

Tailwind

colors: {
  custom: {
    50: '#7a65be',
    500: '#3129a1',
    950: '#000000',
  },
}

SCSS

$custom: #3129a1;
$custom-light: #7a65be;
$custom-dark: #000000;

JSON

{
  "hex": "#3129a1",
  "rgb": {
    "r": 49,
    "g": 41,
    "b": 161
  },
  "hsl": {
    "h": 244,
    "s": 59.406,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38164,
    "c": 0.18371,
    "h": 276.2
  },
  "luminance": 0.04812
}

Semantic roles & 50–950 ramp

primary

#3129A1

secondary

#BAC066

accent

#E345D8

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3129A1

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

Preview Lab → · Contrast checker → · Palette generator →