#2729B1#2729B1

#2729B1 is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.3% C 0.206 H 271.2°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#2729B1
RGB	rgb(39, 41, 177)
HSL	hsl(239, 64%, 42%)
HSV	hsv(239, 78%, 69%)
CMYK	cmyk(78%, 76.8%, 0%, 30.6%)
CIE-LAB	lab(27.27, 46.04, -71.08)
CIE-LCH	lch(27.27, 84.69, 302.93°)
OKLab	oklab(39.27% 0.0044 -0.2058)
OKLCH	oklch(39.27% 0.206 271.2)
XYZ	xyz(9.5628, 5.1905, 42.0843)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2729B1 #B1AF27

analogous

#276EB1 #2729B1 #6A27B1

triadic

#2729B1 #B12729 #29B127

tetradic

#2729B1 #B1276E #B1AF27 #27B16A

square

#2729B1 #B1276E #B1AF27 #27B16A

split-complementary

#2729B1 #B16A27 #6EB127

monochromatic

#11124D #1C1D7F #2729B1 #4042D5 #7274E0

Accessibility & contrast

On white

10.30

#2729B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#2729B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2729B1

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2729B1	#FFFFFF	#000000	##FFFFFF
##2729B1	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B5

Deuteranopia (green-blind)

#0039AF

Tritanopia (blue-blind)

#00526C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2729b1;
/* rgb */ color: rgb(39, 41, 177);
/* oklch */ color: oklch(39.3% 0.206 271.2);

Tailwind

colors: {
  custom: {
    50: '#7a65ca',
    500: '#2729b1',
    950: '#000000',
  },
}

SCSS

$custom: #2729b1;
$custom-light: #7a65ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2729b1",
  "rgb": {
    "r": 39,
    "g": 41,
    "b": 177
  },
  "hsl": {
    "h": 239.13,
    "s": 63.889,
    "l": 42.353
  },
  "oklch": {
    "l": 0.39269,
    "c": 0.20586,
    "h": 271.2
  },
  "luminance": 0.05192
}

Semantic roles & 50–950 ramp

primary

#2729B1

secondary

#C7C66D

accent

#E441E7

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2729B1

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

Preview Lab → · Contrast checker → · Palette generator →