#2D27A3#2D27A3

#2D27A3 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.8% C 0.189 H 274.6°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#2D27A3
RGB	rgb(45, 39, 163)
HSL	hsl(243, 61%, 40%)
HSV	hsv(243, 76%, 64%)
CMYK	cmyk(72.4%, 76.1%, 0%, 36.1%)
CIE-LAB	lab(25.72, 43.03, -65.20)
CIE-LCH	lch(25.72, 78.12, 303.42°)
OKLab	oklab(37.82% 0.0152 -0.1886)
OKLCH	oklch(37.82% 0.189 274.6)
XYZ	xyz(8.4164, 4.6524, 35.0977)
Luminance	0.0465 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D27A3 #9DA327

analogous

#275FA3 #2D27A3 #6B27A3

triadic

#2D27A3 #A32D27 #27A32D

tetradic

#2D27A3 #A3275F #9DA327 #27A36B

square

#2D27A3 #A3275F #9DA327 #27A36B

split-complementary

#2D27A3 #A36B27 #5FA327

monochromatic

#120F40 #1F1B72 #2D27A3 #3F38CF #6F69DB

Accessibility & contrast

On white

10.88

#2D27A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2D27A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D27A3

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D27A3	#FFFFFF	#000000	##FFFFFF
##2D27A3	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A7

Deuteranopia (green-blind)

#0037A1

Tritanopia (blue-blind)

#004B63

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2d27a3;
/* rgb */ color: rgb(45, 39, 163);
/* oklch */ color: oklch(37.8% 0.189 274.6);

Tailwind

colors: {
  custom: {
    50: '#7963bf',
    500: '#2d27a3',
    950: '#000000',
  },
}

SCSS

$custom: #2d27a3;
$custom-light: #7963bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2d27a3",
  "rgb": {
    "r": 45,
    "g": 39,
    "b": 163
  },
  "hsl": {
    "h": 242.903,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.37821,
    "c": 0.18917,
    "h": 274.6
  },
  "luminance": 0.04653
}

Semantic roles & 50–950 ramp

primary

#2D27A3

secondary

#BDC164

accent

#E443DD

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2D27A3

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

Preview Lab → · Contrast checker → · Palette generator →