#2729B0#2729B0

#2729B0 is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.2% C 0.205 H 271.3°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#2729B0
RGB	rgb(39, 41, 176)
HSL	hsl(239, 64%, 42%)
HSV	hsv(239, 78%, 69%)
CMYK	cmyk(77.8%, 76.7%, 0%, 31%)
CIE-LAB	lab(27.16, 45.71, -70.67)
CIE-LCH	lch(27.16, 84.16, 302.90°)
OKLab	oklab(39.16% 0.0046 -0.2046)
OKLCH	oklch(39.16% 0.205 271.3)
XYZ	xyz(9.4635, 5.1508, 41.5613)
Luminance	0.0515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2729B0 #B0AE27

analogous

#276EB0 #2729B0 #6A27B0

triadic

#2729B0 #B02729 #29B027

tetradic

#2729B0 #B0276E #B0AE27 #27B06A

square

#2729B0 #B0276E #B0AE27 #27B06A

split-complementary

#2729B0 #B06A27 #6EB027

monochromatic

#11124C #1C1D7E #2729B0 #4042D5 #7273E0

Accessibility & contrast

On white

10.34

#2729B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#2729B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2729B0

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2729B0	#FFFFFF	#000000	##FFFFFF
##2729B0	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B4

Deuteranopia (green-blind)

#0039AE

Tritanopia (blue-blind)

#00516B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2729b0;
/* rgb */ color: rgb(39, 41, 176);
/* oklch */ color: oklch(39.2% 0.205 271.3);

Tailwind

colors: {
  custom: {
    50: '#7a65c9',
    500: '#2729b0',
    950: '#000000',
  },
}

SCSS

$custom: #2729b0;
$custom-light: #7a65c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2729b0",
  "rgb": {
    "r": 39,
    "g": 41,
    "b": 176
  },
  "hsl": {
    "h": 239.124,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.39158,
    "c": 0.20465,
    "h": 271.3
  },
  "luminance": 0.05152
}

Semantic roles & 50–950 ramp

primary

#2729B0

secondary

#C7C56C

accent

#E441E7

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2729B0

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

Preview Lab → · Contrast checker → · Palette generator →