#2F289E#2F289E

#2F289E is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.6% C 0.181 H 275.8°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#2F289E
RGB	rgb(47, 40, 158)
HSL	hsl(244, 60%, 39%)
HSV	hsv(244, 75%, 62%)
CMYK	cmyk(70.3%, 74.7%, 0%, 38%)
CIE-LAB	lab(25.53, 41.02, -62.46)
CIE-LCH	lch(25.53, 74.73, 303.29°)
OKLab	oklab(37.57% 0.0183 -0.1805)
OKLCH	oklch(37.57% 0.181 275.8)
XYZ	xyz(8.1006, 4.5898, 32.8001)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F289E #979E28

analogous

#285C9E #2F289E #6A289E

triadic

#2F289E #9E2F28 #289E2F

tetradic

#2F289E #9E285C #979E28 #289E6A

square

#2F289E #9E285C #979E28 #289E6A

split-complementary

#2F289E #9E6A28 #5C9E28

monochromatic

#120F3C #201C6D #2F289E #4037CC #6E68D9

Accessibility & contrast

On white

10.95

#2F289E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2F289E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F289E

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F289E	#FFFFFF	#000000	##FFFFFF
##2F289E	1.00	10.95	1.92	10.95
#FFFFFF	10.95	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A1

Deuteranopia (green-blind)

#00379C

Tritanopia (blue-blind)

#004A61

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2f289e;
/* rgb */ color: rgb(47, 40, 158);
/* oklch */ color: oklch(37.6% 0.181 275.8);

Tailwind

colors: {
  custom: {
    50: '#7864bc',
    500: '#2f289e',
    950: '#000000',
  },
}

SCSS

$custom: #2f289e;
$custom-light: #7864bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f289e",
  "rgb": {
    "r": 47,
    "g": 40,
    "b": 158
  },
  "hsl": {
    "h": 243.559,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.37567,
    "c": 0.18147,
    "h": 275.8
  },
  "luminance": 0.04591
}

Semantic roles & 50–950 ramp

primary

#2F289E

secondary

#B9BF63

accent

#E345D9

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2F289E

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

Preview Lab → · Contrast checker → · Palette generator →