#2B277C#2B277C

#2B277C is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.7% C 0.139 H 278.0°. Best body text is #FFFFFF at 12.47:1 contrast (WCAG AA passes).

Color values

HEX	#2B277C
RGB	rgb(43, 39, 124)
HSL	hsl(243, 52%, 32%)
HSV	hsv(243, 69%, 49%)
CMYK	cmyk(65.3%, 68.5%, 0%, 51.4%)
CIE-LAB	lab(21.65, 29.44, -47.71)
CIE-LCH	lch(21.65, 56.06, 301.67°)
OKLab	oklab(33.69% 0.0193 -0.1375)
OKLCH	oklch(33.69% 0.139 278)
XYZ	xyz(5.3587, 3.4194, 19.4425)
Luminance	0.0342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B277C #787C27

analogous

#274D7C #2B277C #56277C

triadic

#2B277C #7C2B27 #277C2B

tetradic

#2B277C #7C274D #787C27 #277C56

square

#2B277C #7C274D #787C27 #277C56

split-complementary

#2B277C #7C5627 #4D7C27

monochromatic

#0B0A1F #1B184D #2B277C #3B36AB #5A54C9

Accessibility & contrast

On white

12.47

#2B277C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#2B277C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B277C

12.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B277C	#FFFFFF	#000000	##FFFFFF
##2B277C	1.00	12.47	1.68	12.47
#FFFFFF	12.47	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377F

Deuteranopia (green-blind)

#00307A

Tritanopia (blue-blind)

#003D4E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2b277c;
/* rgb */ color: rgb(43, 39, 124);
/* oklch */ color: oklch(33.7% 0.139 278.0);

Tailwind

colors: {
  custom: {
    50: '#6f62a3',
    500: '#2b277c',
    950: '#000000',
  },
}

SCSS

$custom: #2b277c;
$custom-light: #6f62a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b277c",
  "rgb": {
    "r": 43,
    "g": 39,
    "b": 124
  },
  "hsl": {
    "h": 242.824,
    "s": 52.147,
    "l": 31.961
  },
  "oklch": {
    "l": 0.33688,
    "c": 0.13887,
    "h": 278
  },
  "luminance": 0.0342
}

Semantic roles & 50–950 ramp

primary

#2B277C

secondary

#AAAE51

accent

#DC4CD5

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#08050F

muted

#7B797F

Preview Lab

Preview with #2B277C

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

Preview Lab → · Contrast checker → · Palette generator →