#2729B2#2729B2

#2729B2 is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.4% C 0.207 H 271.2°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#2729B2
RGB	rgb(39, 41, 178)
HSL	hsl(239, 64%, 43%)
HSV	hsv(239, 78%, 70%)
CMYK	cmyk(78.1%, 77%, 0%, 30.2%)
CIE-LAB	lab(27.38, 46.37, -71.50)
CIE-LCH	lch(27.38, 85.22, 302.97°)
OKLab	oklab(39.38% 0.0042 -0.207)
OKLCH	oklch(39.38% 0.207 271.2)
XYZ	xyz(9.6628, 5.2305, 42.6112)
Luminance	0.0523 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2729B2 #B2B027

analogous

#276EB2 #2729B2 #6B27B2

triadic

#2729B2 #B22729 #29B227

tetradic

#2729B2 #B2276E #B2B027 #27B26B

square

#2729B2 #B2276E #B2B027 #27B26B

split-complementary

#2729B2 #B26B27 #6EB227

monochromatic

#11124E #1C1D80 #2729B2 #4143D5 #7375E0

Accessibility & contrast

On white

10.26

#2729B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2729B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2729B2

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2729B2	#FFFFFF	#000000	##FFFFFF
##2729B2	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B6

Deuteranopia (green-blind)

#003AB0

Tritanopia (blue-blind)

#00526C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2729b2;
/* rgb */ color: rgb(39, 41, 178);
/* oklch */ color: oklch(39.4% 0.207 271.2);

Tailwind

colors: {
  custom: {
    50: '#7a65ca',
    500: '#2729b2',
    950: '#000000',
  },
}

SCSS

$custom: #2729b2;
$custom-light: #7a65ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2729b2",
  "rgb": {
    "r": 39,
    "g": 41,
    "b": 178
  },
  "hsl": {
    "h": 239.137,
    "s": 64.055,
    "l": 42.549
  },
  "oklch": {
    "l": 0.39379,
    "c": 0.20705,
    "h": 271.2
  },
  "luminance": 0.05232
}

Semantic roles & 50–950 ramp

primary

#2729B2

secondary

#C8C66D

accent

#E541E7

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2729B2

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

Preview Lab → · Contrast checker → · Palette generator →