#2727B3#2727B3

#2727B3 is a dark, highly saturated blue. Relative luminance 0.051; OKLCH L 39.2% C 0.210 H 271.3°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#2727B3
RGB	rgb(39, 39, 179)
HSL	hsl(240, 64%, 43%)
HSV	hsv(240, 78%, 70%)
CMYK	cmyk(78.2%, 78.2%, 0%, 29.8%)
CIE-LAB	lab(27.12, 47.77, -72.53)
CIE-LCH	lch(27.12, 86.85, 303.37°)
OKLab	oklab(39.23% 0.0047 -0.21)
OKLCH	oklch(39.23% 0.21 271.3)
XYZ	xyz(9.6962, 5.1360, 43.1194)
Luminance	0.0514 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2727B3 #B3B327

analogous

#276DB3 #2727B3 #6D27B3

triadic

#2727B3 #B32727 #27B327

tetradic

#2727B3 #B3276D #B3B327 #27B36D

square

#2727B3 #B3276D #B3B327 #27B36D

split-complementary

#2727B3 #B36D27 #6DB327

monochromatic

#11114E #1C1C81 #2727B3 #4141D6 #7474E1

Accessibility & contrast

On white

10.36

#2727B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#2727B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2727B3

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2727B3	#FFFFFF	#000000	##FFFFFF
##2727B3	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B7

Deuteranopia (green-blind)

#0039B1

Tritanopia (blue-blind)

#00526C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2727b3;
/* rgb */ color: rgb(39, 39, 179);
/* oklch */ color: oklch(39.2% 0.210 271.3);

Tailwind

colors: {
  custom: {
    50: '#7b64cb',
    500: '#2727b3',
    950: '#000000',
  },
}

SCSS

$custom: #2727b3;
$custom-light: #7b64cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2727b3",
  "rgb": {
    "r": 39,
    "g": 39,
    "b": 179
  },
  "hsl": {
    "h": 240,
    "s": 64.22,
    "l": 42.745
  },
  "oklch": {
    "l": 0.39227,
    "c": 0.21003,
    "h": 271.3
  },
  "luminance": 0.05137
}

Semantic roles & 50–950 ramp

primary

#2727B3

secondary

#C8C86E

accent

#E741E7

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2727B3

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

Preview Lab → · Contrast checker → · Palette generator →