#2D279C#2D279C

#2D279C is a dark, vivid blue. Relative luminance 0.044; OKLCH L 37.1% C 0.180 H 275.3°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#2D279C
RGB	rgb(45, 39, 156)
HSL	hsl(243, 60%, 38%)
HSV	hsv(243, 75%, 61%)
CMYK	cmyk(71.2%, 75%, 0%, 38.8%)
CIE-LAB	lab(24.98, 40.71, -62.16)
CIE-LCH	lch(24.98, 74.31, 303.22°)
OKLab	oklab(37.08% 0.0166 -0.1797)
OKLCH	oklch(37.08% 0.18 275.3)
XYZ	xyz(7.8065, 4.4085, 31.8856)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D279C #969C27

analogous

#275B9C #2D279C #67279C

triadic

#2D279C #9C2D27 #279C2D

tetradic

#2D279C #9C275B #969C27 #279C67

square

#2D279C #9C275B #969C27 #279C67

split-complementary

#2D279C #9C6727 #5B9C27

monochromatic

#110F3A #1F1B6B #2D279C #3C34CC #6B65D8

Accessibility & contrast

On white

11.16

#2D279C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#2D279C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D279C

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D279C	#FFFFFF	#000000	##FFFFFF
##2D279C	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409F

Deuteranopia (green-blind)

#00369A

Tritanopia (blue-blind)

#00495F

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2d279c;
/* rgb */ color: rgb(45, 39, 156);
/* oklch */ color: oklch(37.1% 0.180 275.3);

Tailwind

colors: {
  custom: {
    50: '#7763ba',
    500: '#2d279c',
    950: '#000000',
  },
}

SCSS

$custom: #2d279c;
$custom-light: #7763ba;
$custom-dark: #000000;

JSON

{
  "hex": "#2d279c",
  "rgb": {
    "r": 45,
    "g": 39,
    "b": 156
  },
  "hsl": {
    "h": 243.077,
    "s": 60,
    "l": 38.235
  },
  "oklch": {
    "l": 0.37075,
    "c": 0.18048,
    "h": 275.3
  },
  "luminance": 0.04409
}

Semantic roles & 50–950 ramp

primary

#2D279C

secondary

#B9BE61

accent

#E345DB

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2D279C

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

Preview Lab → · Contrast checker → · Palette generator →