#2728AA#2728AA

#2728AA is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.4% C 0.198 H 271.7°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#2728AA
RGB	rgb(39, 40, 170)
HSL	hsl(240, 63%, 41%)
HSV	hsv(240, 77%, 67%)
CMYK	cmyk(77.1%, 76.5%, 0%, 33.3%)
CIE-LAB	lab(26.30, 44.27, -68.48)
CIE-LCH	lch(26.30, 81.54, 302.88°)
OKLab	oklab(38.36% 0.006 -0.1982)
OKLCH	oklch(38.36% 0.198 271.7)
XYZ	xyz(8.8487, 4.8502, 38.4923)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2728AA #AAA927

analogous

#2769AA #2728AA #6727AA

triadic

#2728AA #AA2728 #28AA27

tetradic

#2728AA #AA2769 #AAA927 #27AA67

square

#2728AA #AA2769 #AAA927 #27AA67

split-complementary

#2728AA #AA6727 #69AA27

monochromatic

#101146 #1C1C78 #2728AA #3C3DD2 #6E6FDE

Accessibility & contrast

On white

10.66

#2728AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#2728AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2728AA

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2728AA	#FFFFFF	#000000	##FFFFFF
##2728AA	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AE

Deuteranopia (green-blind)

#0038A8

Tritanopia (blue-blind)

#004F67

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2728aa;
/* rgb */ color: rgb(39, 40, 170);
/* oklch */ color: oklch(38.4% 0.198 271.7);

Tailwind

colors: {
  custom: {
    50: '#7864c5',
    500: '#2728aa',
    950: '#000000',
  },
}

SCSS

$custom: #2728aa;
$custom-light: #7864c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2728aa",
  "rgb": {
    "r": 39,
    "g": 40,
    "b": 170
  },
  "hsl": {
    "h": 239.542,
    "s": 62.679,
    "l": 40.98
  },
  "oklch": {
    "l": 0.38359,
    "c": 0.19833,
    "h": 271.7
  },
  "luminance": 0.04851
}

Semantic roles & 50–950 ramp

primary

#2728AA

secondary

#C4C469

accent

#E442E6

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2728AA

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

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