#2B278F#2B278F

#2B278F is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.6% C 0.164 H 275.7°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#2B278F
RGB	rgb(43, 39, 143)
HSL	hsl(242, 57%, 36%)
HSV	hsv(242, 73%, 56%)
CMYK	cmyk(69.9%, 72.7%, 0%, 43.9%)
CIE-LAB	lab(23.50, 36.08, -56.60)
CIE-LCH	lch(23.50, 67.12, 302.51°)
OKLab	oklab(35.58% 0.0164 -0.1635)
OKLCH	oklch(35.58% 0.164 275.7)
XYZ	xyz(6.6781, 3.9472, 26.3912)
Luminance	0.0395 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B278F #8B8F27

analogous

#27578F #2B278F #5F278F

triadic

#2B278F #8F2B27 #278F2B

tetradic

#2B278F #8F2757 #8B8F27 #278F5F

square

#2B278F #8F2757 #8B8F27 #278F5F

split-complementary

#2B278F #8F5F27 #578F27

monochromatic

#0E0D2F #1D1A5F #2B278F #3934BF #625DD3

Accessibility & contrast

On white

11.73

#2B278F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#2B278F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B278F

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B278F	#FFFFFF	#000000	##FFFFFF
##2B278F	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D92

Deuteranopia (green-blind)

#00338D

Tritanopia (blue-blind)

#004458

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #2b278f;
/* rgb */ color: rgb(43, 39, 143);
/* oklch */ color: oklch(35.6% 0.164 275.7);

Tailwind

colors: {
  custom: {
    50: '#7362b1',
    500: '#2b278f',
    950: '#000000',
  },
}

SCSS

$custom: #2b278f;
$custom-light: #7362b1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b278f",
  "rgb": {
    "r": 43,
    "g": 39,
    "b": 143
  },
  "hsl": {
    "h": 242.308,
    "s": 57.143,
    "l": 35.686
  },
  "oklch": {
    "l": 0.3558,
    "c": 0.16437,
    "h": 275.7
  },
  "luminance": 0.03948
}

Semantic roles & 50–950 ramp

primary

#2B278F

secondary

#B5B85A

accent

#E047DB

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #2B278F

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

Preview Lab → · Contrast checker → · Palette generator →