#2730A6#2730A6

#2730A6 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.1% C 0.185 H 271.0°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#2730A6
RGB	rgb(39, 48, 166)
HSL	hsl(236, 62%, 40%)
HSV	hsv(236, 77%, 65%)
CMYK	cmyk(76.5%, 71.1%, 0%, 34.9%)
CIE-LAB	lab(27.57, 38.19, -63.98)
CIE-LCH	lch(27.57, 74.51, 300.83°)
OKLab	oklab(39.13% 0.0031 -0.1852)
OKLCH	oklch(39.13% 0.185 271)
XYZ	xyz(8.7742, 5.2975, 36.6291)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2730A6 #A69D27

analogous

#276FA6 #2730A6 #5D27A6

triadic

#2730A6 #A62730 #30A627

tetradic

#2730A6 #A6276F #A69D27 #27A65D

square

#2730A6 #A6276F #A69D27 #27A65D

split-complementary

#2730A6 #A65D27 #6FA627

monochromatic

#101343 #1B2274 #2730A6 #3A44D1 #6B73DC

Accessibility & contrast

On white

10.20

#2730A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2730A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2730A6

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2730A6	#FFFFFF	#000000	##FFFFFF
##2730A6	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047AA

Deuteranopia (green-blind)

#003BA4

Tritanopia (blue-blind)

#005167

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2730a6;
/* rgb */ color: rgb(39, 48, 166);
/* oklch */ color: oklch(39.1% 0.185 271.0);

Tailwind

colors: {
  custom: {
    50: '#7669c2',
    500: '#2730a6',
    950: '#000000',
  },
}

SCSS

$custom: #2730a6;
$custom-light: #7669c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2730a6",
  "rgb": {
    "r": 39,
    "g": 48,
    "b": 166
  },
  "hsl": {
    "h": 235.748,
    "s": 61.951,
    "l": 40.196
  },
  "oklch": {
    "l": 0.39134,
    "c": 0.18523,
    "h": 271
  },
  "luminance": 0.05298
}

Semantic roles & 50–950 ramp

primary

#2730A6

secondary

#C3BC66

accent

#DA43E5

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2730A6

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

Preview Lab → · Contrast checker → · Palette generator →