#2F28A3#2F28A3

#2F28A3 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.1% C 0.188 H 275.3°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#2F28A3
RGB	rgb(47, 40, 163)
HSL	hsl(243, 61%, 40%)
HSV	hsv(243, 75%, 64%)
CMYK	cmyk(71.2%, 75.5%, 0%, 36.1%)
CIE-LAB	lab(26.06, 42.67, -64.64)
CIE-LCH	lch(26.06, 77.45, 303.43°)
OKLab	oklab(38.09% 0.0172 -0.1869)
OKLCH	oklch(38.09% 0.188 275.3)
XYZ	xyz(8.5398, 4.7655, 35.1130)
Luminance	0.0477 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F28A3 #9CA328

analogous

#285EA3 #2F28A3 #6D28A3

triadic

#2F28A3 #A32F28 #28A32F

tetradic

#2F28A3 #A3285E #9CA328 #28A36D

square

#2F28A3 #A3285E #9CA328 #28A36D

split-complementary

#2F28A3 #A36D28 #5EA328

monochromatic

#131041 #211C72 #2F28A3 #423ACF #716BDB

Accessibility & contrast

On white

10.75

#2F28A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#2F28A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F28A3

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F28A3	#FFFFFF	#000000	##FFFFFF
##2F28A3	1.00	10.75	1.95	10.75
#FFFFFF	10.75	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A7

Deuteranopia (green-blind)

#0038A1

Tritanopia (blue-blind)

#004C64

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2f28a3;
/* rgb */ color: rgb(47, 40, 163);
/* oklch */ color: oklch(38.1% 0.188 275.3);

Tailwind

colors: {
  custom: {
    50: '#7964bf',
    500: '#2f28a3',
    950: '#000000',
  },
}

SCSS

$custom: #2f28a3;
$custom-light: #7964bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f28a3",
  "rgb": {
    "r": 47,
    "g": 40,
    "b": 163
  },
  "hsl": {
    "h": 243.415,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.38094,
    "c": 0.18769,
    "h": 275.3
  },
  "luminance": 0.04766
}

Semantic roles & 50–950 ramp

primary

#2F28A3

secondary

#BCC166

accent

#E444DB

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0512

muted

#7C7A81

Preview Lab

Preview with #2F28A3

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

Preview Lab → · Contrast checker → · Palette generator →