#2733A5#2733A5

#2733A5 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.5% C 0.181 H 270.5°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#2733A5
RGB	rgb(39, 51, 165)
HSL	hsl(234, 62%, 40%)
HSV	hsv(234, 76%, 65%)
CMYK	cmyk(76.4%, 69.1%, 0%, 35.3%)
CIE-LAB	lab(28.15, 35.96, -62.41)
CIE-LCH	lch(28.15, 72.03, 299.95°)
OKLab	oklab(39.53% 0.0016 -0.1806)
OKLCH	oklch(39.53% 0.181 270.5)
XYZ	xyz(8.8097, 5.5146, 36.1902)
Luminance	0.0552 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2733A5 #A59927

analogous

#2772A5 #2733A5 #5A27A5

triadic

#2733A5 #A52733 #33A527

tetradic

#2733A5 #A52772 #A59927 #27A55A

square

#2733A5 #A52772 #A59927 #27A55A

split-complementary

#2733A5 #A55A27 #72A527

monochromatic

#101442 #1B2474 #2733A5 #3947D0 #6A75DC

Accessibility & contrast

On white

9.98

#2733A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#2733A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2733A5

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2733A5	#FFFFFF	#000000	##FFFFFF
##2733A5	1.00	9.98	2.10	9.98
#FFFFFF	9.98	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A8

Deuteranopia (green-blind)

#003CA3

Tritanopia (blue-blind)

#005268

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2733a5;
/* rgb */ color: rgb(39, 51, 165);
/* oklch */ color: oklch(39.5% 0.181 270.5);

Tailwind

colors: {
  custom: {
    50: '#766bc1',
    500: '#2733a5',
    950: '#000000',
  },
}

SCSS

$custom: #2733a5;
$custom-light: #766bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#2733a5",
  "rgb": {
    "r": 39,
    "g": 51,
    "b": 165
  },
  "hsl": {
    "h": 234.286,
    "s": 61.765,
    "l": 40
  },
  "oklch": {
    "l": 0.39528,
    "c": 0.18063,
    "h": 270.5
  },
  "luminance": 0.05516
}

Semantic roles & 50–950 ramp

primary

#2733A5

secondary

#C2B966

accent

#D543E5

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2733A5

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

Preview Lab → · Contrast checker → · Palette generator →