#2B277A#2B277A

#2B277A is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.5% C 0.136 H 278.2°. Best body text is #FFFFFF at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#2B277A
RGB	rgb(43, 39, 122)
HSL	hsl(243, 52%, 32%)
HSV	hsv(243, 68%, 48%)
CMYK	cmyk(64.8%, 68%, 0%, 52.2%)
CIE-LAB	lab(21.47, 28.73, -46.74)
CIE-LCH	lch(21.47, 54.86, 301.58°)
OKLab	oklab(33.5% 0.0195 -0.1347)
OKLCH	oklch(33.5% 0.136 278.2)
XYZ	xyz(5.2335, 3.3694, 18.7831)
Luminance	0.0337 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B277A #767A27

analogous

#274D7A #2B277A #55277A

triadic

#2B277A #7A2B27 #277A2B

tetradic

#2B277A #7A274D #767A27 #277A55

square

#2B277A #7A274D #767A27 #277A55

split-complementary

#2B277A #7A5527 #4D7A27

monochromatic

#0A091D #1B184C #2B277A #3B36A8 #5953C8

Accessibility & contrast

On white

12.54

#2B277A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#2B277A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B277A

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B277A	#FFFFFF	#000000	##FFFFFF
##2B277A	1.00	12.54	1.67	12.54
#FFFFFF	12.54	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377D

Deuteranopia (green-blind)

#003078

Tritanopia (blue-blind)

#003C4D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #2b277a;
/* rgb */ color: rgb(43, 39, 122);
/* oklch */ color: oklch(33.5% 0.136 278.2);

Tailwind

colors: {
  custom: {
    50: '#6f61a1',
    500: '#2b277a',
    950: '#000000',
  },
}

SCSS

$custom: #2b277a;
$custom-light: #6f61a1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b277a",
  "rgb": {
    "r": 43,
    "g": 39,
    "b": 122
  },
  "hsl": {
    "h": 242.892,
    "s": 51.553,
    "l": 31.569
  },
  "oklch": {
    "l": 0.33497,
    "c": 0.13609,
    "h": 278.2
  },
  "luminance": 0.0337
}

Semantic roles & 50–950 ramp

primary

#2B277A

secondary

#A8AC51

accent

#DB4DD4

background

#F7F5FA

surface

#EDEAF3

border

#C8C6CD

text

#08050F

muted

#7B797F

Preview Lab

Preview with #2B277A

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

Preview Lab → · Contrast checker → · Palette generator →