#2728AD#2728AD

#2728AD is a dark, highly saturated blue. Relative luminance 0.050; OKLCH L 38.7% C 0.202 H 271.6°. Best body text is #FFFFFF at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#2728AD
RGB	rgb(39, 40, 173)
HSL	hsl(240, 63%, 42%)
HSV	hsv(240, 77%, 68%)
CMYK	cmyk(77.5%, 76.9%, 0%, 32.2%)
CIE-LAB	lab(26.64, 45.27, -69.74)
CIE-LCH	lch(26.64, 83.14, 302.99°)
OKLab	oklab(38.69% 0.0055 -0.2019)
OKLCH	oklch(38.69% 0.202 271.6)
XYZ	xyz(9.1358, 4.9651, 40.0039)
Luminance	0.0497 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2728AD #ADAC27

analogous

#276BAD #2728AD #6927AD

triadic

#2728AD #AD2728 #28AD27

tetradic

#2728AD #AD276B #ADAC27 #27AD69

square

#2728AD #AD276B #ADAC27 #27AD69

split-complementary

#2728AD #AD6927 #6BAD27

monochromatic

#101149 #1C1C7B #2728AD #3E3FD3 #7071DF

Accessibility & contrast

On white

10.54

#2728AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#2728AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2728AD

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2728AD	#FFFFFF	#000000	##FFFFFF
##2728AD	1.00	10.54	1.99	10.54
#FFFFFF	10.54	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B1

Deuteranopia (green-blind)

#0038AB

Tritanopia (blue-blind)

#005069

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2728ad;
/* rgb */ color: rgb(39, 40, 173);
/* oklch */ color: oklch(38.7% 0.202 271.6);

Tailwind

colors: {
  custom: {
    50: '#7964c7',
    500: '#2728ad',
    950: '#000000',
  },
}

SCSS

$custom: #2728ad;
$custom-light: #7964c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2728ad",
  "rgb": {
    "r": 39,
    "g": 40,
    "b": 173
  },
  "hsl": {
    "h": 239.552,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.3869,
    "c": 0.20196,
    "h": 271.6
  },
  "luminance": 0.04966
}

Semantic roles & 50–950 ramp

primary

#2728AD

secondary

#C6C56A

accent

#E542E6

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2728AD

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

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